{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:6CCR3TM2BT7V23U2YJ7674OAED","short_pith_number":"pith:6CCR3TM2","canonical_record":{"source":{"id":"1204.4122","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.soc-ph","submitted_at":"2012-04-18T16:17:33Z","cross_cats_sorted":["cs.SI","q-fin.GN"],"title_canon_sha256":"a02296119b078ee69f52c46d32fdd5d270f88cfd045091586e9f4a166c54f3ac","abstract_canon_sha256":"36eb841dcb6912d655e70d0c28dce85cd20f0f9cc03ca9630443fbaefc9e5178"},"schema_version":"1.0"},"canonical_sha256":"f0851dcd9a0cff5d6e9ac27feff1c020dff6ec5b11fa75ba72d2cd14f1e80b6d","source":{"kind":"arxiv","id":"1204.4122","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1204.4122","created_at":"2026-05-18T02:46:39Z"},{"alias_kind":"arxiv_version","alias_value":"1204.4122v1","created_at":"2026-05-18T02:46:39Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1204.4122","created_at":"2026-05-18T02:46:39Z"},{"alias_kind":"pith_short_12","alias_value":"6CCR3TM2BT7V","created_at":"2026-05-18T12:26:56Z"},{"alias_kind":"pith_short_16","alias_value":"6CCR3TM2BT7V23U2","created_at":"2026-05-18T12:26:56Z"},{"alias_kind":"pith_short_8","alias_value":"6CCR3TM2","created_at":"2026-05-18T12:26:56Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:6CCR3TM2BT7V23U2YJ7674OAED","target":"record","payload":{"canonical_record":{"source":{"id":"1204.4122","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.soc-ph","submitted_at":"2012-04-18T16:17:33Z","cross_cats_sorted":["cs.SI","q-fin.GN"],"title_canon_sha256":"a02296119b078ee69f52c46d32fdd5d270f88cfd045091586e9f4a166c54f3ac","abstract_canon_sha256":"36eb841dcb6912d655e70d0c28dce85cd20f0f9cc03ca9630443fbaefc9e5178"},"schema_version":"1.0"},"canonical_sha256":"f0851dcd9a0cff5d6e9ac27feff1c020dff6ec5b11fa75ba72d2cd14f1e80b6d","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:46:39.609525Z","signature_b64":"G07ZgJDAk4xEnFVKPlMT99j/sPrDJ55Z6gamxOujy/31GNtk1KN6F3KdmrkgEWvAOO79j9N5tt2Wx/9xkhlCAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f0851dcd9a0cff5d6e9ac27feff1c020dff6ec5b11fa75ba72d2cd14f1e80b6d","last_reissued_at":"2026-05-18T02:46:39.608852Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:46:39.608852Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1204.4122","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T02:46:39Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"XSO+dVrrjFoP3P6YuUHHFNd7W0TF+S31Yh2GO//iQo5B7Tlg4hF2GKssarsSbLN8RpC+At6xTh0jYuTjmhXPCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-29T05:00:26.678815Z"},"content_sha256":"cf8939390f46ebf88b04bfbb74e8a54bbacb91b7b2bcf441be54e2256cdeeecc","schema_version":"1.0","event_id":"sha256:cf8939390f46ebf88b04bfbb74e8a54bbacb91b7b2bcf441be54e2256cdeeecc"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:6CCR3TM2BT7V23U2YJ7674OAED","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Network structure of inter-industry flows","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.SI","q-fin.GN"],"primary_cat":"physics.soc-ph","authors_text":"Brian D. Fath, Gerald Silverberg, James McNerney","submitted_at":"2012-04-18T16:17:33Z","abstract_excerpt":"We study the structure of inter-industry relationships using networks of money flows between industries in 20 national economies. We find these networks vary around a typical structure characterized by a Weibull link weight distribution, exponential industry size distribution, and a common community structure. The community structure is hierarchical, with the top level of the hierarchy comprising five industry communities: food industries, chemical industries, manufacturing industries, service industries, and extraction industries."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1204.4122","kind":"arxiv","version":1},"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":"2026-05-18T02:46:39Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"sJ+a7wUxO5Xk48cI43+f9Dgz1AFM53YCpu3Ww0CT3qIrSeLj/V3bYiav69bWZVO8x5FVi5ilvVKTe+jVEApaCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-29T05:00:26.679149Z"},"content_sha256":"63899a6c39151894ef79d9bff86d2259a2c5be231decc56e25f1c149050b7832","schema_version":"1.0","event_id":"sha256:63899a6c39151894ef79d9bff86d2259a2c5be231decc56e25f1c149050b7832"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/6CCR3TM2BT7V23U2YJ7674OAED/bundle.json","state_url":"https://pith.science/pith/6CCR3TM2BT7V23U2YJ7674OAED/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/6CCR3TM2BT7V23U2YJ7674OAED/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":"2026-06-29T05:00:26Z","links":{"resolver":"https://pith.science/pith/6CCR3TM2BT7V23U2YJ7674OAED","bundle":"https://pith.science/pith/6CCR3TM2BT7V23U2YJ7674OAED/bundle.json","state":"https://pith.science/pith/6CCR3TM2BT7V23U2YJ7674OAED/state.json","well_known_bundle":"https://pith.science/.well-known/pith/6CCR3TM2BT7V23U2YJ7674OAED/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:6CCR3TM2BT7V23U2YJ7674OAED","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":"36eb841dcb6912d655e70d0c28dce85cd20f0f9cc03ca9630443fbaefc9e5178","cross_cats_sorted":["cs.SI","q-fin.GN"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.soc-ph","submitted_at":"2012-04-18T16:17:33Z","title_canon_sha256":"a02296119b078ee69f52c46d32fdd5d270f88cfd045091586e9f4a166c54f3ac"},"schema_version":"1.0","source":{"id":"1204.4122","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1204.4122","created_at":"2026-05-18T02:46:39Z"},{"alias_kind":"arxiv_version","alias_value":"1204.4122v1","created_at":"2026-05-18T02:46:39Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1204.4122","created_at":"2026-05-18T02:46:39Z"},{"alias_kind":"pith_short_12","alias_value":"6CCR3TM2BT7V","created_at":"2026-05-18T12:26:56Z"},{"alias_kind":"pith_short_16","alias_value":"6CCR3TM2BT7V23U2","created_at":"2026-05-18T12:26:56Z"},{"alias_kind":"pith_short_8","alias_value":"6CCR3TM2","created_at":"2026-05-18T12:26:56Z"}],"graph_snapshots":[{"event_id":"sha256:63899a6c39151894ef79d9bff86d2259a2c5be231decc56e25f1c149050b7832","target":"graph","created_at":"2026-05-18T02:46:39Z","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":"We study the structure of inter-industry relationships using networks of money flows between industries in 20 national economies. We find these networks vary around a typical structure characterized by a Weibull link weight distribution, exponential industry size distribution, and a common community structure. The community structure is hierarchical, with the top level of the hierarchy comprising five industry communities: food industries, chemical industries, manufacturing industries, service industries, and extraction industries.","authors_text":"Brian D. Fath, Gerald Silverberg, James McNerney","cross_cats":["cs.SI","q-fin.GN"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.soc-ph","submitted_at":"2012-04-18T16:17:33Z","title":"Network structure of inter-industry flows"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1204.4122","kind":"arxiv","version":1},"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:cf8939390f46ebf88b04bfbb74e8a54bbacb91b7b2bcf441be54e2256cdeeecc","target":"record","created_at":"2026-05-18T02:46:39Z","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":"36eb841dcb6912d655e70d0c28dce85cd20f0f9cc03ca9630443fbaefc9e5178","cross_cats_sorted":["cs.SI","q-fin.GN"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.soc-ph","submitted_at":"2012-04-18T16:17:33Z","title_canon_sha256":"a02296119b078ee69f52c46d32fdd5d270f88cfd045091586e9f4a166c54f3ac"},"schema_version":"1.0","source":{"id":"1204.4122","kind":"arxiv","version":1}},"canonical_sha256":"f0851dcd9a0cff5d6e9ac27feff1c020dff6ec5b11fa75ba72d2cd14f1e80b6d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f0851dcd9a0cff5d6e9ac27feff1c020dff6ec5b11fa75ba72d2cd14f1e80b6d","first_computed_at":"2026-05-18T02:46:39.608852Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:46:39.608852Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"G07ZgJDAk4xEnFVKPlMT99j/sPrDJ55Z6gamxOujy/31GNtk1KN6F3KdmrkgEWvAOO79j9N5tt2Wx/9xkhlCAw==","signature_status":"signed_v1","signed_at":"2026-05-18T02:46:39.609525Z","signed_message":"canonical_sha256_bytes"},"source_id":"1204.4122","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:cf8939390f46ebf88b04bfbb74e8a54bbacb91b7b2bcf441be54e2256cdeeecc","sha256:63899a6c39151894ef79d9bff86d2259a2c5be231decc56e25f1c149050b7832"],"state_sha256":"1dd00e0d4a6fa32509827688707b1b2221da145e32489a230cb7a6c433f06ccb"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"tbMWz4LoCuBfX3nNyZo2pnu3phhXdmwDCHqDi7IoY/wWMVMYmbC/PYAf3iz/bHE/pfy4MU66nYJXv91KOdcCDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-29T05:00:26.681102Z","bundle_sha256":"316bfdcd6a45f56efea675acf94cb896ddd8a3f06ad937dc1048b2c7775e0e9c"}}