{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:LS6OMYCOYX7EDHQXIYDBB4NKJL","short_pith_number":"pith:LS6OMYCO","canonical_record":{"source":{"id":"1501.02468","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.stat-mech","submitted_at":"2015-01-11T16:01:11Z","cross_cats_sorted":["physics.bio-ph"],"title_canon_sha256":"d72f94e503ab9fc35bf41022dd6acb946da296b109b6d4da780c3034789c05c3","abstract_canon_sha256":"4c9e5c8e134d3ccf5eddb5fb2ff5ed29550010bad887bb5914fad42fe7923dae"},"schema_version":"1.0"},"canonical_sha256":"5cbce6604ec5fe419e17460610f1aa4aeac146d2fc91a24a4b17f297671d85db","source":{"kind":"arxiv","id":"1501.02468","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1501.02468","created_at":"2026-05-18T01:41:11Z"},{"alias_kind":"arxiv_version","alias_value":"1501.02468v1","created_at":"2026-05-18T01:41:11Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1501.02468","created_at":"2026-05-18T01:41:11Z"},{"alias_kind":"pith_short_12","alias_value":"LS6OMYCOYX7E","created_at":"2026-05-18T12:29:29Z"},{"alias_kind":"pith_short_16","alias_value":"LS6OMYCOYX7EDHQX","created_at":"2026-05-18T12:29:29Z"},{"alias_kind":"pith_short_8","alias_value":"LS6OMYCO","created_at":"2026-05-18T12:29:29Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:LS6OMYCOYX7EDHQXIYDBB4NKJL","target":"record","payload":{"canonical_record":{"source":{"id":"1501.02468","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.stat-mech","submitted_at":"2015-01-11T16:01:11Z","cross_cats_sorted":["physics.bio-ph"],"title_canon_sha256":"d72f94e503ab9fc35bf41022dd6acb946da296b109b6d4da780c3034789c05c3","abstract_canon_sha256":"4c9e5c8e134d3ccf5eddb5fb2ff5ed29550010bad887bb5914fad42fe7923dae"},"schema_version":"1.0"},"canonical_sha256":"5cbce6604ec5fe419e17460610f1aa4aeac146d2fc91a24a4b17f297671d85db","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:41:11.739970Z","signature_b64":"uav0S7HizxMbtoQZRspss6w/P3LywYwImgs2IncS3DnmUn4ReQRkxDS9z9Pah8YpgYncAt8kbr7cTl3DMkRzDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5cbce6604ec5fe419e17460610f1aa4aeac146d2fc91a24a4b17f297671d85db","last_reissued_at":"2026-05-18T01:41:11.739484Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:41:11.739484Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1501.02468","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":"2026-05-18T01:41:11Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"BKjtpU93iuULhsU7p55awSgl33Sxr0hkODTu1j440sSB70he0IxwcaIOUhzW/hvHP3l5OlOQKVtGuyY7hNdUDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T20:28:35.043428Z"},"content_sha256":"e1fb76068030f136f66f455c35a0f7e5ad7174ccad2a94221c4a18d73e7557c3","schema_version":"1.0","event_id":"sha256:e1fb76068030f136f66f455c35a0f7e5ad7174ccad2a94221c4a18d73e7557c3"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:LS6OMYCOYX7EDHQXIYDBB4NKJL","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Collective Motion with Anticipation: Flocking, Spinning, and Swarming","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.bio-ph"],"primary_cat":"cond-mat.stat-mech","authors_text":"Alexandre Morin, Christophe Eloy, Denis Bartolo, Jean-Baptiste Caussin","submitted_at":"2015-01-11T16:01:11Z","abstract_excerpt":"We investigate the collective dynamics of self-propelled particles able to probe and anticipate the orientation of their neighbors. We show that a simple anticipation strategy hinders the emergence of homogeneous flocking patterns. Yet, anticipation promotes two other forms of self-organization: collective spinning and swarming. In the spinning phase, all particles follow synchronous circular orbits, while in the swarming phase, the population condensates into a single compact swarm that cruises coherently without requiring any cohesive interactions. We quantitatively characterize and rational"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1501.02468","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":"2026-05-18T01:41:11Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"lgKAqU03X6bMiPeF/ouV0OyYycug0YZkWODi77tAFVh9wZ0ImgHvOkpdlRQG1W4T0rxjeDNyhPhE859tr16RDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T20:28:35.043792Z"},"content_sha256":"f09201331babb70d8772be8b6fa34bf4b3ae238b6ed33f0941a4bbeb1a5158c2","schema_version":"1.0","event_id":"sha256:f09201331babb70d8772be8b6fa34bf4b3ae238b6ed33f0941a4bbeb1a5158c2"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/LS6OMYCOYX7EDHQXIYDBB4NKJL/bundle.json","state_url":"https://pith.science/pith/LS6OMYCOYX7EDHQXIYDBB4NKJL/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/LS6OMYCOYX7EDHQXIYDBB4NKJL/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":"2026-05-30T20:28:35Z","links":{"resolver":"https://pith.science/pith/LS6OMYCOYX7EDHQXIYDBB4NKJL","bundle":"https://pith.science/pith/LS6OMYCOYX7EDHQXIYDBB4NKJL/bundle.json","state":"https://pith.science/pith/LS6OMYCOYX7EDHQXIYDBB4NKJL/state.json","well_known_bundle":"https://pith.science/.well-known/pith/LS6OMYCOYX7EDHQXIYDBB4NKJL/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:LS6OMYCOYX7EDHQXIYDBB4NKJL","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":"4c9e5c8e134d3ccf5eddb5fb2ff5ed29550010bad887bb5914fad42fe7923dae","cross_cats_sorted":["physics.bio-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.stat-mech","submitted_at":"2015-01-11T16:01:11Z","title_canon_sha256":"d72f94e503ab9fc35bf41022dd6acb946da296b109b6d4da780c3034789c05c3"},"schema_version":"1.0","source":{"id":"1501.02468","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1501.02468","created_at":"2026-05-18T01:41:11Z"},{"alias_kind":"arxiv_version","alias_value":"1501.02468v1","created_at":"2026-05-18T01:41:11Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1501.02468","created_at":"2026-05-18T01:41:11Z"},{"alias_kind":"pith_short_12","alias_value":"LS6OMYCOYX7E","created_at":"2026-05-18T12:29:29Z"},{"alias_kind":"pith_short_16","alias_value":"LS6OMYCOYX7EDHQX","created_at":"2026-05-18T12:29:29Z"},{"alias_kind":"pith_short_8","alias_value":"LS6OMYCO","created_at":"2026-05-18T12:29:29Z"}],"graph_snapshots":[{"event_id":"sha256:f09201331babb70d8772be8b6fa34bf4b3ae238b6ed33f0941a4bbeb1a5158c2","target":"graph","created_at":"2026-05-18T01:41:11Z","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 investigate the collective dynamics of self-propelled particles able to probe and anticipate the orientation of their neighbors. We show that a simple anticipation strategy hinders the emergence of homogeneous flocking patterns. Yet, anticipation promotes two other forms of self-organization: collective spinning and swarming. In the spinning phase, all particles follow synchronous circular orbits, while in the swarming phase, the population condensates into a single compact swarm that cruises coherently without requiring any cohesive interactions. We quantitatively characterize and rational","authors_text":"Alexandre Morin, Christophe Eloy, Denis Bartolo, Jean-Baptiste Caussin","cross_cats":["physics.bio-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.stat-mech","submitted_at":"2015-01-11T16:01:11Z","title":"Collective Motion with Anticipation: Flocking, Spinning, and Swarming"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1501.02468","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:e1fb76068030f136f66f455c35a0f7e5ad7174ccad2a94221c4a18d73e7557c3","target":"record","created_at":"2026-05-18T01:41:11Z","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":"4c9e5c8e134d3ccf5eddb5fb2ff5ed29550010bad887bb5914fad42fe7923dae","cross_cats_sorted":["physics.bio-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.stat-mech","submitted_at":"2015-01-11T16:01:11Z","title_canon_sha256":"d72f94e503ab9fc35bf41022dd6acb946da296b109b6d4da780c3034789c05c3"},"schema_version":"1.0","source":{"id":"1501.02468","kind":"arxiv","version":1}},"canonical_sha256":"5cbce6604ec5fe419e17460610f1aa4aeac146d2fc91a24a4b17f297671d85db","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"5cbce6604ec5fe419e17460610f1aa4aeac146d2fc91a24a4b17f297671d85db","first_computed_at":"2026-05-18T01:41:11.739484Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:41:11.739484Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"uav0S7HizxMbtoQZRspss6w/P3LywYwImgs2IncS3DnmUn4ReQRkxDS9z9Pah8YpgYncAt8kbr7cTl3DMkRzDg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:41:11.739970Z","signed_message":"canonical_sha256_bytes"},"source_id":"1501.02468","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e1fb76068030f136f66f455c35a0f7e5ad7174ccad2a94221c4a18d73e7557c3","sha256:f09201331babb70d8772be8b6fa34bf4b3ae238b6ed33f0941a4bbeb1a5158c2"],"state_sha256":"8252369f3e436063feaf681d10326b4b9eaeb3e7c0b446af331e5544168a7ba0"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+WJNEO878kNT4/bbCdd8BwrlhG0glJysbd5f7+K6cWnTuFOQXy4w8eIrZBV7fiAGPEYNhx0R7DRRNTnNDuI4Dg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-30T20:28:35.045932Z","bundle_sha256":"20a31a2a180fcbca8402dec691a73452c9c76dd3fed4b64525953a59527994eb"}}