{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:65AA7JRMQGEJR7TJIEXZNTU3SZ","short_pith_number":"pith:65AA7JRM","canonical_record":{"source":{"id":"1801.03371","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.soc-ph","submitted_at":"2018-01-10T13:43:37Z","cross_cats_sorted":["cond-mat.stat-mech","nlin.AO"],"title_canon_sha256":"26e8c464b9dc95e1064dda3908f4fcd5dd0ebd76c2eb983ed883313942dd902e","abstract_canon_sha256":"3f173fff66975a3ae79e626e500711cf0e816da85aad95ea3af51c720b89f576"},"schema_version":"1.0"},"canonical_sha256":"f7400fa62c818898fe69412f96ce9b966ffbdaac7fec3a9818c2f4d03724c441","source":{"kind":"arxiv","id":"1801.03371","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1801.03371","created_at":"2026-05-18T00:21:06Z"},{"alias_kind":"arxiv_version","alias_value":"1801.03371v1","created_at":"2026-05-18T00:21:06Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1801.03371","created_at":"2026-05-18T00:21:06Z"},{"alias_kind":"pith_short_12","alias_value":"65AA7JRMQGEJ","created_at":"2026-05-18T12:32:08Z"},{"alias_kind":"pith_short_16","alias_value":"65AA7JRMQGEJR7TJ","created_at":"2026-05-18T12:32:08Z"},{"alias_kind":"pith_short_8","alias_value":"65AA7JRM","created_at":"2026-05-18T12:32:08Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:65AA7JRMQGEJR7TJIEXZNTU3SZ","target":"record","payload":{"canonical_record":{"source":{"id":"1801.03371","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.soc-ph","submitted_at":"2018-01-10T13:43:37Z","cross_cats_sorted":["cond-mat.stat-mech","nlin.AO"],"title_canon_sha256":"26e8c464b9dc95e1064dda3908f4fcd5dd0ebd76c2eb983ed883313942dd902e","abstract_canon_sha256":"3f173fff66975a3ae79e626e500711cf0e816da85aad95ea3af51c720b89f576"},"schema_version":"1.0"},"canonical_sha256":"f7400fa62c818898fe69412f96ce9b966ffbdaac7fec3a9818c2f4d03724c441","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:21:06.775446Z","signature_b64":"tD5nft1W6Czx8zczkqGq0UR5nzDv/Pyv2xH6KyM9sOvnemoZ+bPuWB3Z8OSXlYYDlX8v6nTU9kyFUTMsoXvxBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f7400fa62c818898fe69412f96ce9b966ffbdaac7fec3a9818c2f4d03724c441","last_reissued_at":"2026-05-18T00:21:06.775013Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:21:06.775013Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1801.03371","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":"2026-05-18T00:21:06Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"5wWF0jQ/ipIQbD5VrHz/y5WcPZTaDkRga7iX6DBNvQF28n3S8Ril5Z8W9HIZaIEyNkE+4JDAhaSLnufB9VRJBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-20T19:47:43.646177Z"},"content_sha256":"e549032b6c9aad75ee10b98a7238ae0b306e5da67c18259956adeb434b001ae9","schema_version":"1.0","event_id":"sha256:e549032b6c9aad75ee10b98a7238ae0b306e5da67c18259956adeb434b001ae9"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:65AA7JRMQGEJR7TJIEXZNTU3SZ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Effects of heterogeneous social interactions on flocking dynamics","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.stat-mech","nlin.AO"],"primary_cat":"physics.soc-ph","authors_text":"Jack T. Parley, M. Carmen Miguel, Romualdo Pastor-Satorras","submitted_at":"2018-01-10T13:43:37Z","abstract_excerpt":"Social relationships characterize the interactions that occur within social species and may have an important impact on collective animal motion. Here, we consider a variation of the standard Vicsek model for collective motion in which interactions are mediated by an empirically motivated scale-free topology that represents a heterogeneous pattern of social contacts. We observe that the degree of order of the model is strongly affected by network heterogeneity: more heterogeneous networks show a more resilient ordered state; while less heterogeneity leads to a more fragile ordered state that c"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1801.03371","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":"2026-05-18T00:21:06Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"HKmSE5BZjGibe07ifYZmPvpRnwvOOsNls+CPqSQYvW4DZdBdGZ1+mARFxQJWLGIiCsAq4SyKp+jg2HeF2EVqDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-20T19:47:43.646539Z"},"content_sha256":"4a75172d56ce5d97ae059f8fbbbc90c6ce536db24da3688856ef7daccefffbe3","schema_version":"1.0","event_id":"sha256:4a75172d56ce5d97ae059f8fbbbc90c6ce536db24da3688856ef7daccefffbe3"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/65AA7JRMQGEJR7TJIEXZNTU3SZ/bundle.json","state_url":"https://pith.science/pith/65AA7JRMQGEJR7TJIEXZNTU3SZ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/65AA7JRMQGEJR7TJIEXZNTU3SZ/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":"2026-06-20T19:47:43Z","links":{"resolver":"https://pith.science/pith/65AA7JRMQGEJR7TJIEXZNTU3SZ","bundle":"https://pith.science/pith/65AA7JRMQGEJR7TJIEXZNTU3SZ/bundle.json","state":"https://pith.science/pith/65AA7JRMQGEJR7TJIEXZNTU3SZ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/65AA7JRMQGEJR7TJIEXZNTU3SZ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:65AA7JRMQGEJR7TJIEXZNTU3SZ","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":"3f173fff66975a3ae79e626e500711cf0e816da85aad95ea3af51c720b89f576","cross_cats_sorted":["cond-mat.stat-mech","nlin.AO"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.soc-ph","submitted_at":"2018-01-10T13:43:37Z","title_canon_sha256":"26e8c464b9dc95e1064dda3908f4fcd5dd0ebd76c2eb983ed883313942dd902e"},"schema_version":"1.0","source":{"id":"1801.03371","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1801.03371","created_at":"2026-05-18T00:21:06Z"},{"alias_kind":"arxiv_version","alias_value":"1801.03371v1","created_at":"2026-05-18T00:21:06Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1801.03371","created_at":"2026-05-18T00:21:06Z"},{"alias_kind":"pith_short_12","alias_value":"65AA7JRMQGEJ","created_at":"2026-05-18T12:32:08Z"},{"alias_kind":"pith_short_16","alias_value":"65AA7JRMQGEJR7TJ","created_at":"2026-05-18T12:32:08Z"},{"alias_kind":"pith_short_8","alias_value":"65AA7JRM","created_at":"2026-05-18T12:32:08Z"}],"graph_snapshots":[{"event_id":"sha256:4a75172d56ce5d97ae059f8fbbbc90c6ce536db24da3688856ef7daccefffbe3","target":"graph","created_at":"2026-05-18T00:21:06Z","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":"Social relationships characterize the interactions that occur within social species and may have an important impact on collective animal motion. Here, we consider a variation of the standard Vicsek model for collective motion in which interactions are mediated by an empirically motivated scale-free topology that represents a heterogeneous pattern of social contacts. We observe that the degree of order of the model is strongly affected by network heterogeneity: more heterogeneous networks show a more resilient ordered state; while less heterogeneity leads to a more fragile ordered state that c","authors_text":"Jack T. Parley, M. Carmen Miguel, Romualdo Pastor-Satorras","cross_cats":["cond-mat.stat-mech","nlin.AO"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.soc-ph","submitted_at":"2018-01-10T13:43:37Z","title":"Effects of heterogeneous social interactions on flocking dynamics"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1801.03371","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:e549032b6c9aad75ee10b98a7238ae0b306e5da67c18259956adeb434b001ae9","target":"record","created_at":"2026-05-18T00:21:06Z","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":"3f173fff66975a3ae79e626e500711cf0e816da85aad95ea3af51c720b89f576","cross_cats_sorted":["cond-mat.stat-mech","nlin.AO"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.soc-ph","submitted_at":"2018-01-10T13:43:37Z","title_canon_sha256":"26e8c464b9dc95e1064dda3908f4fcd5dd0ebd76c2eb983ed883313942dd902e"},"schema_version":"1.0","source":{"id":"1801.03371","kind":"arxiv","version":1}},"canonical_sha256":"f7400fa62c818898fe69412f96ce9b966ffbdaac7fec3a9818c2f4d03724c441","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f7400fa62c818898fe69412f96ce9b966ffbdaac7fec3a9818c2f4d03724c441","first_computed_at":"2026-05-18T00:21:06.775013Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:21:06.775013Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"tD5nft1W6Czx8zczkqGq0UR5nzDv/Pyv2xH6KyM9sOvnemoZ+bPuWB3Z8OSXlYYDlX8v6nTU9kyFUTMsoXvxBg==","signature_status":"signed_v1","signed_at":"2026-05-18T00:21:06.775446Z","signed_message":"canonical_sha256_bytes"},"source_id":"1801.03371","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e549032b6c9aad75ee10b98a7238ae0b306e5da67c18259956adeb434b001ae9","sha256:4a75172d56ce5d97ae059f8fbbbc90c6ce536db24da3688856ef7daccefffbe3"],"state_sha256":"9450efb6fea068f7495c22c5034a966feaabfa0e8441c834eb6a3338f55c7871"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"AL6U8qDb+iXusaLhzrni6gDSa/n1dFd/H0j+pbcG7jpfL01ip/NfLfvgUkiJwcNJaGM2mWOKda73mQKSbA+uDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-20T19:47:43.648458Z","bundle_sha256":"30f537493e3311263430c681973de12771c6e4e4cfb1a0c3aaeedce771b17b68"}}