Changes

#	Step	Field	From	To	Why
7,703	bootstrap_labels	prefLabel	—	[{"@value":"methane (fossil)","@language":"en","source":{"prov:wasGeneratedBy":"bootstrap_labels","prov:wasAttributedTo…	Bootstrapped prefLabel from legacy name field
7,704	bootstrap_labels	name	methane (fossil)	—	Purged legacy name field to enforce prefLabel usage
7,705	bootstrap_labels	synonyms	["(11c)methane","(13c)methane","(2R,3R)-Butanediol bis(methanesulfonate)","(2R,3R)-Butanediol dimesylate","1,3-DICHLORO…	[]	Removed legacy synonyms field in favor of structured labels
35,060	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
35,061	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
35,062	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)
35,063	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)
200,460	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
200,461	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
207,702	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
207,703	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
207,704	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
207,705	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
207,706	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
207,707	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
215,911	unit_normalization	unit_iri	—	https://vocab.brightway.one/units/unit/KiloGM	Unit IRI set from normalization of 'kg'
222,897	normalize_name_case	prefLabel	[{"@value":"methane (fossil)","@language":"en","source":{"prov:wasGeneratedBy":"bootstrap_labels","prov:wasAttributedTo…	[{"@value":"Methane (fossil)","@language":"en","source":{"prov:wasGeneratedBy":"bootstrap_labels","prov:wasAttributedTo…	Title-cased words without internal capitals (preserved words with uppercase letters beyond the first character)
234,555	enrich_references	properties	{}	{"https://w3id.org/chemrof/molecular_formula":{"@id":"https://w3id.org/chemrof/molecular_formula","@value":["CH4"],"att…	Added ChEBI/PubChem properties (chebi_ids=1, pubchem_cids=1)
234,556	enrich_references	skos_definition	—	[{"@value":"A one-carbon compound in which the carbon is attached by single bonds to four hydrogen atoms. It is a colou…	Merged ChEBI/PubChem definitions into skos:definition
234,557	enrich_references	references	[]	[{"@id":"gmelin:59","provenance":{"prov:wasGeneratedBy":"enrich_references.chebi_xrefs","prov:wasAttributedTo":"consens…	Added references with provenance; cas_numbers=['74-82-8']; matched_chebi_ids=['http://purl.obolibrary.org/obo/CHEBI_16183']; candidate_pubchem_cids=[297]; selected_pubchem_cids=[297]; 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
255,421	chebi_altlabels	altLabel	[]	[{"@value":"CH4","@language":"en","source":{"prov:wasGeneratedBy":"chebi_altlabels","prov:wasAttributedTo":"consensus-f…	Added 8 ChEBI synonym(s) as altLabel from 1 linked ChEBI record(s)
257,430	strip_cross_object_altlabels	altLabel	[{"@value":"CH4","@language":"en","source":{"prov:wasGeneratedBy":"chebi_altlabels","prov:wasAttributedTo":"consensus-f…	[{"@value":"CH4","@language":"en","source":{"prov:wasGeneratedBy":"chebi_altlabels","prov:wasAttributedTo":"consensus-f…	Removed 1 altLabel value(s) that duplicate another flow object's prefLabel: 'Methane'
268,640	consensus_match	cas_match_labels	—	{"74-82-8":"exactMatch"}	group_key=methane(fossil)\|\|dimension=Environmental > media=Air > strata=Unknown; group_sources=['chebi', 'ec_inventory', 'pubchem']; cas_sources={'74-82-8': ['chebi', 'ec_inventory', 'pubchem']}; assigned CAS labels from group consensus; object_uuid=fo-82c41845514478b7: {'74-82-8': 'exactMatch'}
275,598	opsin_iupac	properties	{"https://w3id.org/chemrof/molecular_formula":{"@id":"https://w3id.org/chemrof/molecular_formula","@value":["CH4"],"att…	{"https://w3id.org/chemrof/molecular_formula":{"@id":"https://w3id.org/chemrof/molecular_formula","@value":["CH4"],"att…	opsin_iupac: set authoritative IUPAC name, SMILES, InChI from 'Methan'
282,132	rdkit_post_consensus	properties	{"https://w3id.org/chemrof/molecular_formula":{"@id":"https://w3id.org/chemrof/molecular_formula","@value":["CH4"],"att…	{"https://w3id.org/chemrof/molecular_formula":{"@id":"https://w3id.org/chemrof/molecular_formula","@value":["CH4"],"att…	rdkit_post_consensus from 'C'; confirmed: smiles_string, inchi2d_string, inchi2d_key_string, molecular_formula, molecular_mass, monoisotopic_mass
287,235	strip_qualifier_altlabels	altLabel	[{"@value":"CH4","@language":"en","source":{"prov:wasGeneratedBy":"chebi_altlabels","prov:wasAttributedTo":"consensus-f…	[]	Removed 6 altLabel value(s) lacking qualifier 'fossil': 'CH4', 'Methan', 'marsh gas', 'metano', 'methyl hydride' …
298,560	carry_associations_onto_flows	concept_associations	[]	[{"@type":"xkos:ConceptAssociation","xkos:sourceConcept":{"@id":"https://vocab.brightway.one/ef/3.1/flow/08a91e70-3ddc-…	associations resolved on the elementary layer
298,561	carry_associations_onto_flows	concept_associations	[]	[{"@type":"xkos:ConceptAssociation","xkos:sourceConcept":{"@id":"https://vocab.brightway.one/ef/3.1/flow/08a91e70-3ddc-…	associations resolved on the elementary layer
381,264	carry_associations_onto_flows	concept_associations	[]	[{"@type":"xkos:ConceptAssociation","xkos:sourceConcept":{"@id":"https://vocab.brightway.one/ef/3.1/flow/faf1f72c-95d1-…	associations resolved on the elementary layer
384,886	carry_associations_onto_flows	concept_associations	[]	[{"@type":"xkos:ConceptAssociation","xkos:sourceConcept":{"@id":"https://vocab.brightway.one/ef/3.1/flow/fe0acd60-3ddc-…	associations resolved on the elementary layer
384,887	carry_associations_onto_flows	concept_associations	[]	[{"@type":"xkos:ConceptAssociation","xkos:sourceConcept":{"@id":"https://vocab.brightway.one/ef/3.1/flow/fe0acd60-3ddc-…	associations resolved on the elementary layer
384,888	carry_associations_onto_flows	concept_associations	[]	[{"@type":"xkos:ConceptAssociation","xkos:sourceConcept":{"@id":"https://vocab.brightway.one/ef/3.1/flow/fe0acd60-3ddc-…	associations resolved on the elementary layer
389,920	normalise_property_values	properties	{"https://w3id.org/chemrof/molecular_formula":{"@id":"https://w3id.org/chemrof/molecular_formula","@value":["CH4"],"att…	{"https://w3id.org/chemrof/molecular_formula":{"@id":"https://w3id.org/chemrof/molecular_formula","@value":["CH4"],"att…	typed the way the ontology types it
397,311	link_flows_to_their_substance	types	—	["https://w3id.org/chemrof/NeutralMolecule"]	the substance's answer, copied onto its flow
397,312	link_flows_to_their_substance	origin_qualifier	—	fossil	the substance's answer, copied onto its flow
397,313	link_flows_to_their_substance	parent_flow_object_id	—	fo-c0b0898c3b1f9e86	the substance's answer, copied onto its flow