Changes

Field	Changes	Written by	Latest note
prefLabel	2	bootstrap_labels, normalize_name_case	Title-cased words without internal capitals (preserved words with uppercase letters beyond the first character)
altLabel	1	consensus_match	group_key=naphtha(petroleum),lightthermalcracked\|\|dimension=Environmental > media=Ground > geography=Unknown; cas=64741-74-8; added Common Chemistry CAS names as altLabel: Light thermal cracked naphtha (petroleum); object_uuid=fo-3c4f7cb73399569c
cas_match_labels	1	consensus_match	group_key=naphtha(petroleum),lightthermalcracked\|\|dimension=Environmental > media=Ground > geography=Unknown; group_sources=['ec_inventory']; cas_sources={'64741-74-8': ['ec_inventory']}; assigned CAS labels from group consensus; object_uuid=fo-3c4f7cb73399569c: {'64741-74-8': 'exactMatch'}
concept_associations	1	carry_associations_onto_flows	associations resolved on the elementary layer
context	1	default_context_mapping	Mapped from context mapping for source=EF 3.1, source context Emissions > Emissions to soil > Emissions to non-agricultural soil
context_iri	1	default_context_mapping	Mapped from context mapping for source=EF 3.1, source context Emissions > Emissions to soil > Emissions to non-agricultural soil
name	1	bootstrap_labels	Purged legacy name field to enforce prefLabel usage
references	1	enrich_references	Added references with provenance; cas_numbers=['64741-74-8']; matched_chebi_ids=[]; candidate_pubchem_cids=[]; selected_pubchem_cids=[]; 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
skos_definition	1	enrich_references	Merged ChEBI/PubChem definitions into skos:definition
synonyms	1	bootstrap_labels	Removed legacy synonyms field in favor of structured labels
types	1	link_flows_to_their_substance	the substance's answer, copied onto its flow
unit_iri	1	unit_normalization	Unit IRI set from normalization of 'kg'

Where several steps wrote one field, the last one won — and the log below shows the sequence.

#	Step	Field	From	To	Why
2,082	bootstrap_labels	prefLabel	—	[{"@value":"naphtha (petroleum), light thermal cracked","@language":"en","source":{"prov:wasGeneratedBy":"bootstrap_lab…	Bootstrapped prefLabel from legacy name field
2,083	bootstrap_labels	name	naphtha (petroleum), light thermal cracked	—	Purged legacy name field to enforce prefLabel usage
2,084	bootstrap_labels	synonyms	["petroleum product","lowboilingpointthermallycrackednaphthaacomplexcombinationofhydrocarbonsfromdistillationofproducts…	[]	Removed legacy synonyms field in favor of structured labels
143,106	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
143,107	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
214,033	unit_normalization	unit_iri	—	https://vocab.brightway.one/units/unit/KiloGM	Unit IRI set from normalization of 'kg'
221,571	normalize_name_case	prefLabel	[{"@value":"naphtha (petroleum), light thermal cracked","@language":"en","source":{"prov:wasGeneratedBy":"bootstrap_lab…	[{"@value":"Naphtha (petroleum), Light Thermal Cracked","@language":"en","source":{"prov:wasGeneratedBy":"bootstrap_lab…	Title-cased words without internal capitals (preserved words with uppercase letters beyond the first character)
229,182	enrich_references	skos_definition	—	[]	Merged ChEBI/PubChem definitions into skos:definition
229,183	enrich_references	references	[]	[{"@id":"https://commonchemistry.cas.org/detail?cas_rn=64741-74-8","provenance":{"prov:wasGeneratedBy":"enrich_referenc…	Added references with provenance; cas_numbers=['64741-74-8']; matched_chebi_ids=[]; candidate_pubchem_cids=[]; selected_pubchem_cids=[]; 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
269,751	consensus_match	altLabel	[]	[{"@value":"Light thermal cracked naphtha (petroleum)","@language":"en","source":{"prov:wasGeneratedBy":"consensus_matc…	group_key=naphtha(petroleum),lightthermalcracked\|\|dimension=Environmental > media=Ground > geography=Unknown; cas=64741-74-8; added Common Chemistry CAS names as altLabel: Light thermal cracked naphtha (petroleum); object_uuid=fo-3c4f7cb73399569c
269,752	consensus_match	cas_match_labels	—	{"64741-74-8":"exactMatch"}	group_key=naphtha(petroleum),lightthermalcracked\|\|dimension=Environmental > media=Ground > geography=Unknown; group_sources=['ec_inventory']; cas_sources={'64741-74-8': ['ec_inventory']}; assigned CAS labels from group consensus; object_uuid=fo-3c4f7cb73399569c: {'64741-74-8': 'exactMatch'}
352,555	carry_associations_onto_flows	concept_associations	[]	[{"@type":"xkos:ConceptAssociation","xkos:sourceConcept":{"@id":"https://vocab.brightway.one/ef/3.1/flow/9cd9280e-bc02-…	associations resolved on the elementary layer
394,979	link_flows_to_their_substance	types	—	["https://w3id.org/chemrof/ImpreciseChemicalMixture"]	the substance's answer, copied onto its flow

One activity per change: which version of the flow it consumed, and which it produced. The values are on the change with the same number — stored once, not twice.

Activity	Field	Agent	Used	Generated
ef:activity/change/20260822T0600486828500000/2082	prefLabel	ef:agent/bootstrap_labels	ef:flow/9cd9280e-bc02-4aaa-9e79-59b5f9092a6c/v0	ef:flow/9cd9280e-bc02-4aaa-9e79-59b5f9092a6c/v1
ef:activity/change/20260822T0600486828500000/2083	name	ef:agent/bootstrap_labels	ef:flow/9cd9280e-bc02-4aaa-9e79-59b5f9092a6c/v1	ef:flow/9cd9280e-bc02-4aaa-9e79-59b5f9092a6c/v2
ef:activity/change/20260822T0600486828500000/2084	synonyms	ef:agent/bootstrap_labels	ef:flow/9cd9280e-bc02-4aaa-9e79-59b5f9092a6c/v2	ef:flow/9cd9280e-bc02-4aaa-9e79-59b5f9092a6c/v3
ef:activity/change/20260822T0600486828500000/143106	context	ef:agent/default_context_mapping	ef:flow/9cd9280e-bc02-4aaa-9e79-59b5f9092a6c/v3	ef:flow/9cd9280e-bc02-4aaa-9e79-59b5f9092a6c/v4
ef:activity/change/20260822T0600486828500000/143107	context_iri	ef:agent/default_context_mapping	ef:flow/9cd9280e-bc02-4aaa-9e79-59b5f9092a6c/v4	ef:flow/9cd9280e-bc02-4aaa-9e79-59b5f9092a6c/v5
ef:activity/change/20260822T0600486828500000/214033	unit_iri	ef:agent/unit_normalization	ef:flow/9cd9280e-bc02-4aaa-9e79-59b5f9092a6c/v5	ef:flow/9cd9280e-bc02-4aaa-9e79-59b5f9092a6c/v6
ef:activity/change/20260822T0600486828500000/221571	prefLabel	ef:agent/normalize_name_case	ef:flow/9cd9280e-bc02-4aaa-9e79-59b5f9092a6c/v6	ef:flow/9cd9280e-bc02-4aaa-9e79-59b5f9092a6c/v7
ef:activity/change/20260822T0600486828500000/229182	skos_definition	ef:agent/enrich_references	ef:flow/9cd9280e-bc02-4aaa-9e79-59b5f9092a6c/v7	ef:flow/9cd9280e-bc02-4aaa-9e79-59b5f9092a6c/v8
ef:activity/change/20260822T0600486828500000/229183	references	ef:agent/enrich_references	ef:flow/9cd9280e-bc02-4aaa-9e79-59b5f9092a6c/v8	ef:flow/9cd9280e-bc02-4aaa-9e79-59b5f9092a6c/v9
ef:activity/change/20260822T0600486828500000/269751	altLabel	ef:agent/consensus_match	ef:flow/9cd9280e-bc02-4aaa-9e79-59b5f9092a6c/v9	ef:flow/9cd9280e-bc02-4aaa-9e79-59b5f9092a6c/v10
ef:activity/change/20260822T0600486828500000/269752	cas_match_labels	ef:agent/consensus_match	ef:flow/9cd9280e-bc02-4aaa-9e79-59b5f9092a6c/v10	ef:flow/9cd9280e-bc02-4aaa-9e79-59b5f9092a6c/v11
ef:activity/change/20260822T0600486828500000/352555	concept_associations	ef:agent/carry_associations_onto_flows	ef:flow/9cd9280e-bc02-4aaa-9e79-59b5f9092a6c/v11	ef:flow/9cd9280e-bc02-4aaa-9e79-59b5f9092a6c/v12
ef:activity/change/20260822T0600486828500000/394979	types	ef:agent/link_flows_to_their_substance	ef:flow/9cd9280e-bc02-4aaa-9e79-59b5f9092a6c/v12	ef:flow/9cd9280e-bc02-4aaa-9e79-59b5f9092a6c/v13

Naphtha (petroleum), Light Thermal Cracked

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Changes

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