{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:HGAUGJSXXZIQTA3N5TI6BGLUPZ","short_pith_number":"pith:HGAUGJSX","canonical_record":{"source":{"id":"1207.5532","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"q-bio.MN","submitted_at":"2012-07-23T20:58:44Z","cross_cats_sorted":["q-bio.PE"],"title_canon_sha256":"bf3c593d58b969c7e374e5bd25626251c961dc75b102008b2e9c30f1623665e2","abstract_canon_sha256":"7d8a9debf64e6090426ba7a092d24763847bddbf5baa2f488f7dda8bc8d46051"},"schema_version":"1.0"},"canonical_sha256":"3981432657be5109836decd1e099747e5ddbb7b2857659b12cb065385006d84f","source":{"kind":"arxiv","id":"1207.5532","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1207.5532","created_at":"2026-05-18T01:56:08Z"},{"alias_kind":"arxiv_version","alias_value":"1207.5532v2","created_at":"2026-05-18T01:56:08Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1207.5532","created_at":"2026-05-18T01:56:08Z"},{"alias_kind":"pith_short_12","alias_value":"HGAUGJSXXZIQ","created_at":"2026-05-18T12:27:09Z"},{"alias_kind":"pith_short_16","alias_value":"HGAUGJSXXZIQTA3N","created_at":"2026-05-18T12:27:09Z"},{"alias_kind":"pith_short_8","alias_value":"HGAUGJSX","created_at":"2026-05-18T12:27:09Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:HGAUGJSXXZIQTA3N5TI6BGLUPZ","target":"record","payload":{"canonical_record":{"source":{"id":"1207.5532","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"q-bio.MN","submitted_at":"2012-07-23T20:58:44Z","cross_cats_sorted":["q-bio.PE"],"title_canon_sha256":"bf3c593d58b969c7e374e5bd25626251c961dc75b102008b2e9c30f1623665e2","abstract_canon_sha256":"7d8a9debf64e6090426ba7a092d24763847bddbf5baa2f488f7dda8bc8d46051"},"schema_version":"1.0"},"canonical_sha256":"3981432657be5109836decd1e099747e5ddbb7b2857659b12cb065385006d84f","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:56:08.747351Z","signature_b64":"azIJqlrhm9pT4wIYCOnWHJDVADfUruEftDjD1rg0SAEtAMAsnsYin6Ri3Rlw5T0wrIrynC1PGayp76K7MtGvBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"3981432657be5109836decd1e099747e5ddbb7b2857659b12cb065385006d84f","last_reissued_at":"2026-05-18T01:56:08.746770Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:56:08.746770Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1207.5532","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:56:08Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"gkhMKF4gmLBJvIv2GBK/It7/8CvWz0xurDmT1WTrM5qu2XDlv8GdmMcveXqaVw+YEwd3Ljmh1A8oBuVoJEhIAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-09T22:12:44.036507Z"},"content_sha256":"30450469486ad8969c01bfc416b29eb75dd0fdc42a0e1b32348b2941e628e069","schema_version":"1.0","event_id":"sha256:30450469486ad8969c01bfc416b29eb75dd0fdc42a0e1b32348b2941e628e069"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:HGAUGJSXXZIQTA3N5TI6BGLUPZ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The compositional and evolutionary logic of metabolism","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["q-bio.PE"],"primary_cat":"q-bio.MN","authors_text":"Eric Smith, Rogier Braakman","submitted_at":"2012-07-23T20:58:44Z","abstract_excerpt":"Metabolism displays striking and robust regularities in the forms of modularity and hierarchy, whose composition may be compactly described. This renders metabolic architecture comprehensible as a system, and suggests the order in which layers of that system emerged. Metabolism also serves as the foundation in other hierarchies, at least up to cellular integration including bioenergetics and molecular replication, and trophic ecology. The recapitulation of patterns first seen in metabolism, in these higher levels, suggests metabolism as a source of causation or constraint on many forms of orga"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1207.5532","kind":"arxiv","version":2},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:56:08Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"RrgRP+DPxCKaNo/KN29pWbgNIMR+QGOtt2GGp+4r45ndbfWmlOem6ggVS13zTA8CoopClZngbu0w2lKMTtt3Dw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-09T22:12:44.037245Z"},"content_sha256":"8620c78bc7186af15434141ce1584e73387d89e7a57aef93c2832f43ec809ba3","schema_version":"1.0","event_id":"sha256:8620c78bc7186af15434141ce1584e73387d89e7a57aef93c2832f43ec809ba3"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/HGAUGJSXXZIQTA3N5TI6BGLUPZ/bundle.json","state_url":"https://pith.science/pith/HGAUGJSXXZIQTA3N5TI6BGLUPZ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/HGAUGJSXXZIQTA3N5TI6BGLUPZ/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-06-09T22:12:44Z","links":{"resolver":"https://pith.science/pith/HGAUGJSXXZIQTA3N5TI6BGLUPZ","bundle":"https://pith.science/pith/HGAUGJSXXZIQTA3N5TI6BGLUPZ/bundle.json","state":"https://pith.science/pith/HGAUGJSXXZIQTA3N5TI6BGLUPZ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/HGAUGJSXXZIQTA3N5TI6BGLUPZ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:HGAUGJSXXZIQTA3N5TI6BGLUPZ","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"7d8a9debf64e6090426ba7a092d24763847bddbf5baa2f488f7dda8bc8d46051","cross_cats_sorted":["q-bio.PE"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"q-bio.MN","submitted_at":"2012-07-23T20:58:44Z","title_canon_sha256":"bf3c593d58b969c7e374e5bd25626251c961dc75b102008b2e9c30f1623665e2"},"schema_version":"1.0","source":{"id":"1207.5532","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1207.5532","created_at":"2026-05-18T01:56:08Z"},{"alias_kind":"arxiv_version","alias_value":"1207.5532v2","created_at":"2026-05-18T01:56:08Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1207.5532","created_at":"2026-05-18T01:56:08Z"},{"alias_kind":"pith_short_12","alias_value":"HGAUGJSXXZIQ","created_at":"2026-05-18T12:27:09Z"},{"alias_kind":"pith_short_16","alias_value":"HGAUGJSXXZIQTA3N","created_at":"2026-05-18T12:27:09Z"},{"alias_kind":"pith_short_8","alias_value":"HGAUGJSX","created_at":"2026-05-18T12:27:09Z"}],"graph_snapshots":[{"event_id":"sha256:8620c78bc7186af15434141ce1584e73387d89e7a57aef93c2832f43ec809ba3","target":"graph","created_at":"2026-05-18T01:56:08Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"paper":{"abstract_excerpt":"Metabolism displays striking and robust regularities in the forms of modularity and hierarchy, whose composition may be compactly described. This renders metabolic architecture comprehensible as a system, and suggests the order in which layers of that system emerged. Metabolism also serves as the foundation in other hierarchies, at least up to cellular integration including bioenergetics and molecular replication, and trophic ecology. The recapitulation of patterns first seen in metabolism, in these higher levels, suggests metabolism as a source of causation or constraint on many forms of orga","authors_text":"Eric Smith, Rogier Braakman","cross_cats":["q-bio.PE"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"q-bio.MN","submitted_at":"2012-07-23T20:58:44Z","title":"The compositional and evolutionary logic of metabolism"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1207.5532","kind":"arxiv","version":2},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:30450469486ad8969c01bfc416b29eb75dd0fdc42a0e1b32348b2941e628e069","target":"record","created_at":"2026-05-18T01:56:08Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"7d8a9debf64e6090426ba7a092d24763847bddbf5baa2f488f7dda8bc8d46051","cross_cats_sorted":["q-bio.PE"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"q-bio.MN","submitted_at":"2012-07-23T20:58:44Z","title_canon_sha256":"bf3c593d58b969c7e374e5bd25626251c961dc75b102008b2e9c30f1623665e2"},"schema_version":"1.0","source":{"id":"1207.5532","kind":"arxiv","version":2}},"canonical_sha256":"3981432657be5109836decd1e099747e5ddbb7b2857659b12cb065385006d84f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"3981432657be5109836decd1e099747e5ddbb7b2857659b12cb065385006d84f","first_computed_at":"2026-05-18T01:56:08.746770Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:56:08.746770Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"azIJqlrhm9pT4wIYCOnWHJDVADfUruEftDjD1rg0SAEtAMAsnsYin6Ri3Rlw5T0wrIrynC1PGayp76K7MtGvBA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:56:08.747351Z","signed_message":"canonical_sha256_bytes"},"source_id":"1207.5532","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:30450469486ad8969c01bfc416b29eb75dd0fdc42a0e1b32348b2941e628e069","sha256:8620c78bc7186af15434141ce1584e73387d89e7a57aef93c2832f43ec809ba3"],"state_sha256":"05eabf079bc6f807ce97d2e77abec821294a14fc9dad6a31d62d0ddf869d2163"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"hOinsqAmV+lUdQAfgMUVc5SolPv7ahOQMIWwXLB2A5hibgsPqee7q5mXVzXyol/r8xFFARRb+D+a64QizXbXCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-09T22:12:44.041218Z","bundle_sha256":"de2692e70adeaf9544a031a02d63c9c5bba38520e0afd7dfad94752d44a9ab2c"}}