Changes

#	Step	Field	From	To	Why
21,533	bootstrap_labels	prefLabel	—	[{"@value":"tetrafluoroterephthalonitrile","@language":"en","source":{"prov:wasGeneratedBy":"bootstrap_labels","prov:wa…	Bootstrapped prefLabel from legacy name field
21,534	bootstrap_labels	name	tetrafluoroterephthalonitrile	—	Purged legacy name field to enforce prefLabel usage
21,535	bootstrap_labels	synonyms	["1,4-BENZENEDICARBONITRILE, 2,3,5,6-TETRAFLUORO-","1,4-Dicyanotetrafluorobenzene","2,3,5,6-Tetrafluoro-1,4-benzenedica…	[]	Removed legacy synonyms field in favor of structured labels
25,585	bootstrap_labels	synonyms	["tetrafluoroterephthalonitrile","2,3,5,6-tetrafluoroterephthalonitrile","tetrafluorobenzene-1,4-dicarbonitrile","1,4-B…	[]	Removed legacy synonyms field in favor of structured labels
76,447	default_context_mapping	context	—	{"dimension":"Environmental","media":"Water","water_body":"Long-term"}	Mapped from context mapping for source=EF 3.1, source context Emissions > Emissions to water > Emissions to water, unspecified (long-term)
76,448	default_context_mapping	context_iri	—	https://vocab.brightway.one/flow-contexts/envi-wate-lote	Mapped from context mapping for source=EF 3.1, source context Emissions > Emissions to water > Emissions to water, unspecified (long-term)
80,691	default_context_mapping	context	—	{"dimension":"Environmental","media":"Air","strata":"Long-term"}	Mapped from context mapping for source=EF 3.1, source context Emissions > Emissions to air > Emissions to air, unspecified (long-term)
80,692	default_context_mapping	context_iri	—	https://vocab.brightway.one/flow-contexts/envi-air-lote	Mapped from context mapping for source=EF 3.1, source context Emissions > Emissions to air > Emissions to air, unspecified (long-term)
81,651	default_context_mapping	context	—	{"dimension":"Environmental","media":"Air","strata":"Ground level","population_density":"Urban (>1000 people/square mil…	Mapped from context mapping for source=EF 3.1, source context Emissions > Emissions to air > Emissions to urban air close to ground
81,652	default_context_mapping	context_iri	—	https://vocab.brightway.one/flow-contexts/envi-air-grle-ur10pesq	Mapped from context mapping for source=EF 3.1, source context Emissions > Emissions to air > Emissions to urban air close to ground
126,087	default_context_mapping	context	—	{"dimension":"Environmental","media":"Ground","geography":"Non-agricultural"}	Mapped from context mapping for source=EF 3.1, source context Emissions > Emissions to soil > Emissions to non-agricultural soil
126,088	default_context_mapping	context_iri	—	https://vocab.brightway.one/flow-contexts/envi-grou-noag	Mapped from context mapping for source=EF 3.1, source context Emissions > Emissions to soil > Emissions to non-agricultural soil
145,363	default_context_mapping	context	—	{"dimension":"Environmental","media":"Ground","geography":"Agricultural"}	Mapped from context mapping for source=EF 3.1, source context Emissions > Emissions to soil > Emissions to agricultural soil
145,364	default_context_mapping	context_iri	—	https://vocab.brightway.one/flow-contexts/envi-grou-agri	Mapped from context mapping for source=EF 3.1, source context Emissions > Emissions to soil > Emissions to agricultural soil
147,419	default_context_mapping	context	—	{"dimension":"Environmental","media":"Air","strata":"Medium stack, <150 meters","population_density":"Rural (<1000 peop…	Mapped from context mapping for source=EF 3.1, source context Emissions > Emissions to air > Emissions to non-urban air or from high stacks
147,420	default_context_mapping	context_iri	—	https://vocab.brightway.one/flow-contexts/envi-air-mest15me-ru10pesq	Mapped from context mapping for source=EF 3.1, source context Emissions > Emissions to air > Emissions to non-urban air or from high stacks
158,053	default_context_mapping	context	—	{"dimension":"Environmental","media":"Water","water_body":"Unknown"}	Mapped from context mapping for source=EF 3.1, source context Emissions > Emissions to water > Emissions to water, unspecified
158,054	default_context_mapping	context_iri	—	https://vocab.brightway.one/flow-contexts/envi-wate-unkn	Mapped from context mapping for source=EF 3.1, source context Emissions > Emissions to water > Emissions to water, unspecified
164,207	default_context_mapping	context	—	{"dimension":"Environmental","media":"Water","water_body":"Surface water"}	Mapped from context mapping for source=EF 3.1, source context Emissions > Emissions to water > Emissions to fresh water
164,208	default_context_mapping	context_iri	—	https://vocab.brightway.one/flow-contexts/envi-wate-suwa	Mapped from context mapping for source=EF 3.1, source context Emissions > Emissions to water > Emissions to fresh water
174,257	default_context_mapping	context	—	{"dimension":"Environmental","media":"Air","strata":"Unknown"}	Mapped from context mapping for source=EF 3.1, source context Emissions > Emissions to air > Emissions to air, unspecified
174,258	default_context_mapping	context_iri	—	https://vocab.brightway.one/flow-contexts/envi-air-unkn	Mapped from context mapping for source=EF 3.1, source context Emissions > Emissions to air > Emissions to air, unspecified
188,777	default_context_mapping	context	—	{"dimension":"Environmental","media":"Air","strata":"Aircraft cruise height"}	Mapped from context mapping for source=EF 3.1, source context Emissions > Emissions to air > Emissions to lower stratosphere and upper troposphere
188,778	default_context_mapping	context_iri	—	https://vocab.brightway.one/flow-contexts/envi-air-aicrhe	Mapped from context mapping for source=EF 3.1, source context Emissions > Emissions to air > Emissions to lower stratosphere and upper troposphere
198,531	default_context_mapping	context	—	{"dimension":"Environmental","media":"Ground","geography":"Unknown"}	Mapped from context mapping for source=EF 3.1, source context Emissions > Emissions to soil > Emissions to soil, unspecified
198,532	default_context_mapping	context_iri	—	https://vocab.brightway.one/flow-contexts/envi-grou-unkn	Mapped from context mapping for source=EF 3.1, source context Emissions > Emissions to soil > Emissions to soil, unspecified
200,693	default_context_mapping	context	—	{"dimension":"Environmental","media":"Air","indoor":"Unknown"}	Mapped from context mapping for source=EF 3.1, source context Emissions > Emissions to air > Emissions to air, indoor
200,694	default_context_mapping	context_iri	—	https://vocab.brightway.one/flow-contexts/envi-air-indr-unkn	Mapped from context mapping for source=EF 3.1, source context Emissions > Emissions to air > Emissions to air, indoor
212,535	default_context_mapping	context	—	{"dimension":"Environmental","media":"Water","water_body":"Ocean"}	Mapped from context mapping for source=EF 3.1, source context Emissions > Emissions to water > Emissions to sea water
212,536	default_context_mapping	context_iri	—	https://vocab.brightway.one/flow-contexts/envi-wate-ocea	Mapped from context mapping for source=EF 3.1, source context Emissions > Emissions to water > Emissions to sea water
220,245	unit_normalization	unit_iri	—	https://vocab.brightway.one/units/unit/KiloGM	Unit IRI set from normalization of 'kg'
225,962	normalize_name_case	prefLabel	[{"@value":"tetrafluoroterephthalonitrile","@language":"en","source":{"prov:wasGeneratedBy":"bootstrap_labels","prov:wa…	[{"@value":"Tetrafluoroterephthalonitrile","@language":"en","source":{"prov:wasGeneratedBy":"bootstrap_labels","prov:wa…	Title-cased words without internal capitals (preserved words with uppercase letters beyond the first character)
246,834	enrich_references	properties	{}	{"https://w3id.org/chemrof/molecular_formula":{"@id":"https://w3id.org/chemrof/molecular_formula","@value":["C8F4N2"],"…	Added ChEBI/PubChem properties (chebi_ids=0, pubchem_cids=1)
246,835	enrich_references	skos_definition	—	[]	Merged ChEBI/PubChem definitions into skos:definition
246,836	enrich_references	references	[]	[{"@id":"http://jglobal.jst.go.jp/en/redirect?Nikkaji_No=J1.782E","provenance":{"prov:wasGeneratedBy":"enrich_reference…	Added references with provenance; cas_numbers=['1835-49-0']; matched_chebi_ids=[]; candidate_pubchem_cids=[15783]; selected_pubchem_cids=[15783]; formula_similarity_expected=[]; pubchem_selection_rule=curated_cas_then_formula_similarity_then_prefer_chebi_aligned_when_unambiguous_else_keep_all_cas_matches; single_cas_commonchem_link=yes
253,996	rdkit_pre_consensus	properties	{"https://w3id.org/chemrof/molecular_formula":{"@id":"https://w3id.org/chemrof/molecular_formula","@value":["C8F4N2"],"…	{"https://w3id.org/chemrof/molecular_formula":{"@id":"https://w3id.org/chemrof/molecular_formula","@value":["C8F4N2"],"…	rdkit_pre_consensus from 'C(#N)C1=C(C(=C(C(=C1F)F)C#N)F)F'; added: molecular_mass, monoisotopic_mass
272,434	consensus_match	altLabel	[]	[{"@value":"1,2,4,5-Tetrafluoro-3,6-dicyanobenzene","@language":"en","source":{"prov:wasGeneratedBy":"consensus_match",…	group_key=tetrafluoroterephthalonitrile\|\|dimension=Environmental > media=Water > water_body=Long-term; cas=1835-49-0; added Common Chemistry CAS names as altLabel: 1,2,4,5-Tetrafluoro-3,6-dicyanobenzene, 1,4-Benzenedicarbonitrile, 2,3,5,6-tetrafluoro-, 1,4-Dicyano-2,3,5,6-tetrafluorobenzene, 1,4-Dicyanotetrafluorobenzene, 2,3,5,6-Tetrafluoro-1,4-benzenedicarbonitrile, 2,3,5,6-Tetrafluoro-1,4-benzodinitrile, 2,3,5,6-Tetrafluoro-1,4-dicyanobenzene, 2,3,5,6-Tetrafluorophthalonitrile, 2,3,5,6-Tetrafluoroterephthalonitrile, Diamond 2031, NSC 97007, Perfluoroterephthalonitrile, Terephthalonitrile, tetrafluoro-, Tetrafluoroterephthalodinitrile; object_uuid=fo-cb2eb62998fbaada
272,435	consensus_match	cas_match_labels	—	{"1835-49-0":"exactMatch"}	group_key=tetrafluoroterephthalonitrile\|\|dimension=Environmental > media=Water > water_body=Long-term; group_sources=['ec_inventory', 'pubchem']; cas_sources={'1835-49-0': ['ec_inventory', 'pubchem']}; assigned CAS labels from group consensus; object_uuid=fo-cb2eb62998fbaada: {'1835-49-0': 'exactMatch'}
279,189	opsin_iupac	properties	{"https://w3id.org/chemrof/molecular_formula":{"@id":"https://w3id.org/chemrof/molecular_formula","@value":["C8F4N2"],"…	{"https://w3id.org/chemrof/molecular_formula":{"@id":"https://w3id.org/chemrof/molecular_formula","@value":["C8F4N2"],"…	opsin_iupac: set authoritative IUPAC name, SMILES, InChI from 'Tetrafluoroterephthalonitrile'
286,044	rdkit_post_consensus	properties	{"https://w3id.org/chemrof/molecular_formula":{"@id":"https://w3id.org/chemrof/molecular_formula","@value":["C8F4N2"],"…	{"https://w3id.org/chemrof/molecular_formula":{"@id":"https://w3id.org/chemrof/molecular_formula","@value":["C8F4N2"],"…	rdkit_post_consensus from 'N#Cc1c(F)c(F)c(C#N)c(F)c1F'; confirmed: smiles_string, inchi2d_string, inchi2d_key_string, molecular_formula, molecular_mass, monoisotopic_mass
291,489	strip_catalogue_altlabels	altLabel	[{"@value":"1,2,4,5-Tetrafluoro-3,6-dicyanobenzene","@language":"en","source":{"prov:wasGeneratedBy":"consensus_match",…	[{"@value":"1,2,4,5-Tetrafluoro-3,6-dicyanobenzene","@language":"en","source":{"prov:wasGeneratedBy":"consensus_match",…	Removed 2 catalogue altLabel value(s): 'Diamond 2031' (trade name), 'NSC 97007' (registry code)
319,278	carry_associations_onto_flows	concept_associations	[]	[{"@type":"xkos:ConceptAssociation","xkos:sourceConcept":{"@id":"https://vocab.brightway.one/ef/3.1/flow/3c6218bc-a27c-…	associations resolved on the elementary layer
321,398	carry_associations_onto_flows	concept_associations	[]	[{"@type":"xkos:ConceptAssociation","xkos:sourceConcept":{"@id":"https://vocab.brightway.one/ef/3.1/flow/420bd4b2-29b4-…	associations resolved on the elementary layer
321,879	carry_associations_onto_flows	concept_associations	[]	[{"@type":"xkos:ConceptAssociation","xkos:sourceConcept":{"@id":"https://vocab.brightway.one/ef/3.1/flow/43c42ea3-c85b-…	associations resolved on the elementary layer
344,082	carry_associations_onto_flows	concept_associations	[]	[{"@type":"xkos:ConceptAssociation","xkos:sourceConcept":{"@id":"https://vocab.brightway.one/ef/3.1/flow/8057b99d-e7c2-…	associations resolved on the elementary layer
353,720	carry_associations_onto_flows	concept_associations	[]	[{"@type":"xkos:ConceptAssociation","xkos:sourceConcept":{"@id":"https://vocab.brightway.one/ef/3.1/flow/a0bdba62-6c74-…	associations resolved on the elementary layer
354,764	carry_associations_onto_flows	concept_associations	[]	[{"@type":"xkos:ConceptAssociation","xkos:sourceConcept":{"@id":"https://vocab.brightway.one/ef/3.1/flow/a3fb2041-03dc-…	associations resolved on the elementary layer
360,083	carry_associations_onto_flows	concept_associations	[]	[{"@type":"xkos:ConceptAssociation","xkos:sourceConcept":{"@id":"https://vocab.brightway.one/ef/3.1/flow/b65835b0-0df1-…	associations resolved on the elementary layer
363,161	carry_associations_onto_flows	concept_associations	[]	[{"@type":"xkos:ConceptAssociation","xkos:sourceConcept":{"@id":"https://vocab.brightway.one/ef/3.1/flow/c119de23-98a9-…	associations resolved on the elementary layer
368,184	carry_associations_onto_flows	concept_associations	[]	[{"@type":"xkos:ConceptAssociation","xkos:sourceConcept":{"@id":"https://vocab.brightway.one/ef/3.1/flow/d222a51f-7960-…	associations resolved on the elementary layer