{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:UJTJU5C63G4NWMZ25VQ7PEYYJL","short_pith_number":"pith:UJTJU5C6","canonical_record":{"source":{"id":"1808.04024","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.soc-ph","submitted_at":"2018-08-12T23:54:05Z","cross_cats_sorted":[],"title_canon_sha256":"fe9a3a5e59219c9888e69c590d112041166977ab34337c031c3321b817645b14","abstract_canon_sha256":"c4c6c293ac029f0938eadb3d49d243857b75d562d09f4ea6bda21ef0e00ef279"},"schema_version":"1.0"},"canonical_sha256":"a2669a745ed9b8db333aed61f793184ace3a1efcafdcb64a1b48f0b22323fc9f","source":{"kind":"arxiv","id":"1808.04024","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1808.04024","created_at":"2026-05-18T00:07:39Z"},{"alias_kind":"arxiv_version","alias_value":"1808.04024v1","created_at":"2026-05-18T00:07:39Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1808.04024","created_at":"2026-05-18T00:07:39Z"},{"alias_kind":"pith_short_12","alias_value":"UJTJU5C63G4N","created_at":"2026-05-18T12:32:56Z"},{"alias_kind":"pith_short_16","alias_value":"UJTJU5C63G4NWMZ2","created_at":"2026-05-18T12:32:56Z"},{"alias_kind":"pith_short_8","alias_value":"UJTJU5C6","created_at":"2026-05-18T12:32:56Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:UJTJU5C63G4NWMZ25VQ7PEYYJL","target":"record","payload":{"canonical_record":{"source":{"id":"1808.04024","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.soc-ph","submitted_at":"2018-08-12T23:54:05Z","cross_cats_sorted":[],"title_canon_sha256":"fe9a3a5e59219c9888e69c590d112041166977ab34337c031c3321b817645b14","abstract_canon_sha256":"c4c6c293ac029f0938eadb3d49d243857b75d562d09f4ea6bda21ef0e00ef279"},"schema_version":"1.0"},"canonical_sha256":"a2669a745ed9b8db333aed61f793184ace3a1efcafdcb64a1b48f0b22323fc9f","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:07:39.899985Z","signature_b64":"LNNlcF366ai2+Mcb8LA/WjX7YyDDDBIbtnBtLNIiFdY6g0WLdMhr0wsgiGZ0jVcc6doWBaKRHv9uVQW6fakxAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a2669a745ed9b8db333aed61f793184ace3a1efcafdcb64a1b48f0b22323fc9f","last_reissued_at":"2026-05-18T00:07:39.899307Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:07:39.899307Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1808.04024","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":"2026-05-18T00:07:39Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"K5UHrLZn7Dm2fbFys6JhvYJRK4qYvqifIqldptAUTaIQ8a65nvd3L1p06SHTvlJx5guxfgJeciQyQ/OPKwJqAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T20:48:04.070210Z"},"content_sha256":"647435e96c1707258f8098783e09ecc9ec07c19bd3ae67bc484b131a4fe1568a","schema_version":"1.0","event_id":"sha256:647435e96c1707258f8098783e09ecc9ec07c19bd3ae67bc484b131a4fe1568a"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:UJTJU5C63G4NWMZ25VQ7PEYYJL","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Talent and experience shape competitive social hierarchies","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.soc-ph","authors_text":"M\\'arton P\\'osfai, Raissa M. D'Souza","submitted_at":"2018-08-12T23:54:05Z","abstract_excerpt":"Hierarchy of social organization is a ubiquitous property of animal and human groups, linked to resource allocation, collective decisions, individual health, and even to social instability. Experimental evidence shows that both intrinsic abilities of individuals and social reinforcement processes impact hierarchies; existing mathematical models, however, focus on the latter. Here, we develop a rigorous model that incorporates both features and explore their synergistic effect on stability and the structure of hierarchy. For pairwise interactions, we show that there is a trade-off between relat"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1808.04024","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":"2026-05-18T00:07:39Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"lzu4wa7WciYGSoODXaZB0Rqv2G2lcB1IrQ6fanC38oZPxu3LGoQNyzx6QwBkdLZNIqNn5JZi3FEFwIV0hk4QCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T20:48:04.070663Z"},"content_sha256":"9b6ca3a368eec23f18e4859df3b0d882dfa95bbfe553d0b398fac03da438aaea","schema_version":"1.0","event_id":"sha256:9b6ca3a368eec23f18e4859df3b0d882dfa95bbfe553d0b398fac03da438aaea"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/UJTJU5C63G4NWMZ25VQ7PEYYJL/bundle.json","state_url":"https://pith.science/pith/UJTJU5C63G4NWMZ25VQ7PEYYJL/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/UJTJU5C63G4NWMZ25VQ7PEYYJL/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":"2026-05-28T20:48:04Z","links":{"resolver":"https://pith.science/pith/UJTJU5C63G4NWMZ25VQ7PEYYJL","bundle":"https://pith.science/pith/UJTJU5C63G4NWMZ25VQ7PEYYJL/bundle.json","state":"https://pith.science/pith/UJTJU5C63G4NWMZ25VQ7PEYYJL/state.json","well_known_bundle":"https://pith.science/.well-known/pith/UJTJU5C63G4NWMZ25VQ7PEYYJL/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:UJTJU5C63G4NWMZ25VQ7PEYYJL","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":"c4c6c293ac029f0938eadb3d49d243857b75d562d09f4ea6bda21ef0e00ef279","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.soc-ph","submitted_at":"2018-08-12T23:54:05Z","title_canon_sha256":"fe9a3a5e59219c9888e69c590d112041166977ab34337c031c3321b817645b14"},"schema_version":"1.0","source":{"id":"1808.04024","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1808.04024","created_at":"2026-05-18T00:07:39Z"},{"alias_kind":"arxiv_version","alias_value":"1808.04024v1","created_at":"2026-05-18T00:07:39Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1808.04024","created_at":"2026-05-18T00:07:39Z"},{"alias_kind":"pith_short_12","alias_value":"UJTJU5C63G4N","created_at":"2026-05-18T12:32:56Z"},{"alias_kind":"pith_short_16","alias_value":"UJTJU5C63G4NWMZ2","created_at":"2026-05-18T12:32:56Z"},{"alias_kind":"pith_short_8","alias_value":"UJTJU5C6","created_at":"2026-05-18T12:32:56Z"}],"graph_snapshots":[{"event_id":"sha256:9b6ca3a368eec23f18e4859df3b0d882dfa95bbfe553d0b398fac03da438aaea","target":"graph","created_at":"2026-05-18T00:07:39Z","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":"Hierarchy of social organization is a ubiquitous property of animal and human groups, linked to resource allocation, collective decisions, individual health, and even to social instability. Experimental evidence shows that both intrinsic abilities of individuals and social reinforcement processes impact hierarchies; existing mathematical models, however, focus on the latter. Here, we develop a rigorous model that incorporates both features and explore their synergistic effect on stability and the structure of hierarchy. For pairwise interactions, we show that there is a trade-off between relat","authors_text":"M\\'arton P\\'osfai, Raissa M. D'Souza","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.soc-ph","submitted_at":"2018-08-12T23:54:05Z","title":"Talent and experience shape competitive social hierarchies"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1808.04024","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":"sha256:647435e96c1707258f8098783e09ecc9ec07c19bd3ae67bc484b131a4fe1568a","target":"record","created_at":"2026-05-18T00:07:39Z","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":"c4c6c293ac029f0938eadb3d49d243857b75d562d09f4ea6bda21ef0e00ef279","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.soc-ph","submitted_at":"2018-08-12T23:54:05Z","title_canon_sha256":"fe9a3a5e59219c9888e69c590d112041166977ab34337c031c3321b817645b14"},"schema_version":"1.0","source":{"id":"1808.04024","kind":"arxiv","version":1}},"canonical_sha256":"a2669a745ed9b8db333aed61f793184ace3a1efcafdcb64a1b48f0b22323fc9f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a2669a745ed9b8db333aed61f793184ace3a1efcafdcb64a1b48f0b22323fc9f","first_computed_at":"2026-05-18T00:07:39.899307Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:07:39.899307Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"LNNlcF366ai2+Mcb8LA/WjX7YyDDDBIbtnBtLNIiFdY6g0WLdMhr0wsgiGZ0jVcc6doWBaKRHv9uVQW6fakxAA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:07:39.899985Z","signed_message":"canonical_sha256_bytes"},"source_id":"1808.04024","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:647435e96c1707258f8098783e09ecc9ec07c19bd3ae67bc484b131a4fe1568a","sha256:9b6ca3a368eec23f18e4859df3b0d882dfa95bbfe553d0b398fac03da438aaea"],"state_sha256":"df926aa38a2f889f3223a9a4f6cdb795b80870e96a2309060dcc8c5a1dbf08ac"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"UCSvGhVZS9aVBBlzACkV1GMKbF3yGTtIvXNGheaxsr9TR0tj51fbR28X7r6v9dMN7wl6AH9iyv+79/QzNTBIBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T20:48:04.073919Z","bundle_sha256":"0396433a3f085b77b1de95b03bc94bbe6f5a1528220a2659446dc74008e5923b"}}