Changes

#	Step	Field	From	To	Why
24,985	bootstrap_labels	prefLabel	—	[{"@value":"methane (biogenic)","@language":"en","source":{"prov:wasGeneratedBy":"bootstrap_labels","prov:wasAttributed…	Bootstrapped prefLabel from legacy name field
24,986	bootstrap_labels	name	methane (biogenic)	—	Purged legacy name field to enforce prefLabel usage
24,987	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
162,660	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
162,661	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
207,714	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
207,715	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
207,716	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)
207,717	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)
207,718	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
207,719	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
207,720	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
207,721	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
207,722	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
207,723	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
220,923	unit_normalization	unit_iri	—	https://vocab.brightway.one/units/unit/KiloGM	Unit IRI set from normalization of 'kg'
226,523	normalize_name_case	prefLabel	[{"@value":"methane (biogenic)","@language":"en","source":{"prov:wasGeneratedBy":"bootstrap_labels","prov:wasAttributed…	[{"@value":"Methane (biogenic)","@language":"en","source":{"prov:wasGeneratedBy":"bootstrap_labels","prov:wasAttributed…	Title-cased words without internal capitals (preserved words with uppercase letters beyond the first character)
248,136	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)
248,137	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
248,138	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
257,370	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)
257,510	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'
268,659	consensus_match	cas_match_labels	—	{"74-82-8":"exactMatch"}	group_key=methane(biogenic)\|\|dimension=Environmental > media=Air > indoor=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-75732c09013fe4a0: {'74-82-8': 'exactMatch'}
279,704	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'
286,596	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
287,268	strip_qualifier_altlabels	altLabel	[{"@value":"CH4","@language":"en","source":{"prov:wasGeneratedBy":"chebi_altlabels","prov:wasAttributedTo":"consensus-f…	[]	Removed 6 altLabel value(s) lacking qualifier 'biogenic': 'CH4', 'Methan', 'marsh gas', 'metano', 'methyl hydride' …
362,375	carry_associations_onto_flows	concept_associations	[]	[{"@type":"xkos:ConceptAssociation","xkos:sourceConcept":{"@id":"https://vocab.brightway.one/ef/3.1/flow/be6760c7-30c9-…	associations resolved on the elementary layer
384,912	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
384,913	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
384,914	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
384,915	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
384,916	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
394,111	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
403,556	link_flows_to_their_substance	types	—	["https://w3id.org/chemrof/NeutralMolecule"]	the substance's answer, copied onto its flow
403,557	link_flows_to_their_substance	origin_qualifier	—	biogenic	the substance's answer, copied onto its flow
403,558	link_flows_to_their_substance	parent_flow_object_id	—	fo-c0b0898c3b1f9e86	the substance's answer, copied onto its flow