{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:ZAAYBUCN7LME3HCL3EFBDBIZC4","short_pith_number":"pith:ZAAYBUCN","canonical_record":{"source":{"id":"1912.06710","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2019-12-11T20:37:35Z","cross_cats_sorted":["cond-mat.stat-mech","physics.bio-ph"],"title_canon_sha256":"0207c9804dfd2a5c6ec5e87dca64b80c9902b6f4ec9f6e86722e7e7228d86e8d","abstract_canon_sha256":"f91feca9190ab0a11dc9277f7e3e1362f82d81b98e7ce87522302c3d6f53916e"},"schema_version":"1.0"},"canonical_sha256":"c80180d04dfad84d9c4bd90a118519171132e645c28b52e9e6e4631e2431a215","source":{"kind":"arxiv","id":"1912.06710","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1912.06710","created_at":"2026-07-05T08:25:25Z"},{"alias_kind":"arxiv_version","alias_value":"1912.06710v1","created_at":"2026-07-05T08:25:25Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1912.06710","created_at":"2026-07-05T08:25:25Z"},{"alias_kind":"pith_short_12","alias_value":"ZAAYBUCN7LME","created_at":"2026-07-05T08:25:25Z"},{"alias_kind":"pith_short_16","alias_value":"ZAAYBUCN7LME3HCL","created_at":"2026-07-05T08:25:25Z"},{"alias_kind":"pith_short_8","alias_value":"ZAAYBUCN","created_at":"2026-07-05T08:25:25Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:ZAAYBUCN7LME3HCL3EFBDBIZC4","target":"record","payload":{"canonical_record":{"source":{"id":"1912.06710","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2019-12-11T20:37:35Z","cross_cats_sorted":["cond-mat.stat-mech","physics.bio-ph"],"title_canon_sha256":"0207c9804dfd2a5c6ec5e87dca64b80c9902b6f4ec9f6e86722e7e7228d86e8d","abstract_canon_sha256":"f91feca9190ab0a11dc9277f7e3e1362f82d81b98e7ce87522302c3d6f53916e"},"schema_version":"1.0"},"canonical_sha256":"c80180d04dfad84d9c4bd90a118519171132e645c28b52e9e6e4631e2431a215","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T08:25:25.895219Z","signature_b64":"htkUKFu1qjZSP9/IDCQ50MCLBwe0460tN3SP785QvyZqLMs7GscVw8u68wgC1RcxlESvUoy6PyX7uWT284OvCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c80180d04dfad84d9c4bd90a118519171132e645c28b52e9e6e4631e2431a215","last_reissued_at":"2026-07-05T08:25:25.894812Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T08:25:25.894812Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1912.06710","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":"2026-07-05T08:25:25Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"20jkKi5g0fO+se5KVzk7IhQpoSMyGMx/X0KthOWUKUU9RCnSryUH4r1JDQF+MlxtKUhJtDaskK1S+H0u1JmGBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-13T23:05:52.626589Z"},"content_sha256":"3a5812913e93a3e75200407ae0ad093ccc58b1c63d8f787d61a103ccafa59f51","schema_version":"1.0","event_id":"sha256:3a5812913e93a3e75200407ae0ad093ccc58b1c63d8f787d61a103ccafa59f51"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:ZAAYBUCN7LME3HCL3EFBDBIZC4","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The 2019 Motile Active Matter Roadmap","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.stat-mech","physics.bio-ph"],"primary_cat":"cond-mat.soft","authors_text":"Alexander Fischer, Alexandre Solon, Amin Doostmohammadi, Antonio De Simone, Cesare Nardini, Charlotte Hemelrijk, Clemens Bechinger, Eric Lauga, Fernando Peruani, Francesc Sagues, Francois Nedelec, Frank Cichos, Gerhard Gompper, Guillaume Duclos, Hartmut Loewen, Holger Stark, Igor Aronson, Julia Yeomans, Luis Alvarez, Marino Arroyo, Marisol Ripoll, Mathilde Lacroix, Nicola Soeker, Pascal Silberzan, Pierre Gaspard, Ramin Golestanian, Raymond Kapral, Roland G. Winkler, Santiago Muinos Landin, Sohan Kale, Thibault Aryaksama, Thomas Kioerboe, Thomas Speck, Trinish Sarkar, U. Benjamin Kaupp, Victor Yashunsky, Wilson Poon","submitted_at":"2019-12-11T20:37:35Z","abstract_excerpt":"Activity and autonomous motion are fundamental in living and engineering systems. This has stimulated the new field of active matter in recent years, which focuses on the physical aspects of propulsion mechanisms, and on motility-induced emergent collective behavior of a larger number of identical agents. The scale of agents ranges from nanomotors and microswimmers, to cells, fish, birds, and people. Inspired by biological microswimmers, various designs of autonomous synthetic nano- and micromachines have been proposed. Such machines provide the basis for multifunctional, highly responsive, in"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1912.06710","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/1912.06710/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-05T08:25:25Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"fyHj07BQqCLAJMXzjmF+TBTVs45LMdVFBWXozppdqO9RbJA1HszCkqNkY9i/b7/grTaWYentR8UIw6d8KlGTDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-13T23:05:52.627679Z"},"content_sha256":"3b53354c75c39f88bbd7f259255cb51534e9d3d8635a436e27a4af1248e231e6","schema_version":"1.0","event_id":"sha256:3b53354c75c39f88bbd7f259255cb51534e9d3d8635a436e27a4af1248e231e6"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/ZAAYBUCN7LME3HCL3EFBDBIZC4/bundle.json","state_url":"https://pith.science/pith/ZAAYBUCN7LME3HCL3EFBDBIZC4/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/ZAAYBUCN7LME3HCL3EFBDBIZC4/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":"2026-08-13T23:05:52Z","links":{"resolver":"https://pith.science/pith/ZAAYBUCN7LME3HCL3EFBDBIZC4","bundle":"https://pith.science/pith/ZAAYBUCN7LME3HCL3EFBDBIZC4/bundle.json","state":"https://pith.science/pith/ZAAYBUCN7LME3HCL3EFBDBIZC4/state.json","well_known_bundle":"https://pith.science/.well-known/pith/ZAAYBUCN7LME3HCL3EFBDBIZC4/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:ZAAYBUCN7LME3HCL3EFBDBIZC4","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":"f91feca9190ab0a11dc9277f7e3e1362f82d81b98e7ce87522302c3d6f53916e","cross_cats_sorted":["cond-mat.stat-mech","physics.bio-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2019-12-11T20:37:35Z","title_canon_sha256":"0207c9804dfd2a5c6ec5e87dca64b80c9902b6f4ec9f6e86722e7e7228d86e8d"},"schema_version":"1.0","source":{"id":"1912.06710","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1912.06710","created_at":"2026-07-05T08:25:25Z"},{"alias_kind":"arxiv_version","alias_value":"1912.06710v1","created_at":"2026-07-05T08:25:25Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1912.06710","created_at":"2026-07-05T08:25:25Z"},{"alias_kind":"pith_short_12","alias_value":"ZAAYBUCN7LME","created_at":"2026-07-05T08:25:25Z"},{"alias_kind":"pith_short_16","alias_value":"ZAAYBUCN7LME3HCL","created_at":"2026-07-05T08:25:25Z"},{"alias_kind":"pith_short_8","alias_value":"ZAAYBUCN","created_at":"2026-07-05T08:25:25Z"}],"graph_snapshots":[{"event_id":"sha256:3b53354c75c39f88bbd7f259255cb51534e9d3d8635a436e27a4af1248e231e6","target":"graph","created_at":"2026-07-05T08:25:25Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/1912.06710/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Activity and autonomous motion are fundamental in living and engineering systems. This has stimulated the new field of active matter in recent years, which focuses on the physical aspects of propulsion mechanisms, and on motility-induced emergent collective behavior of a larger number of identical agents. The scale of agents ranges from nanomotors and microswimmers, to cells, fish, birds, and people. Inspired by biological microswimmers, various designs of autonomous synthetic nano- and micromachines have been proposed. Such machines provide the basis for multifunctional, highly responsive, in","authors_text":"Alexander Fischer, Alexandre Solon, Amin Doostmohammadi, Antonio De Simone, Cesare Nardini, Charlotte Hemelrijk, Clemens Bechinger, Eric Lauga, Fernando Peruani, Francesc Sagues, Francois Nedelec, Frank Cichos, Gerhard Gompper, Guillaume Duclos, Hartmut Loewen, Holger Stark, Igor Aronson, Julia Yeomans, Luis Alvarez, Marino Arroyo, Marisol Ripoll, Mathilde Lacroix, Nicola Soeker, Pascal Silberzan, Pierre Gaspard, Ramin Golestanian, Raymond Kapral, Roland G. Winkler, Santiago Muinos Landin, Sohan Kale, Thibault Aryaksama, Thomas Kioerboe, Thomas Speck, Trinish Sarkar, U. Benjamin Kaupp, Victor Yashunsky, Wilson Poon","cross_cats":["cond-mat.stat-mech","physics.bio-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2019-12-11T20:37:35Z","title":"The 2019 Motile Active Matter Roadmap"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1912.06710","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":"sha256:3a5812913e93a3e75200407ae0ad093ccc58b1c63d8f787d61a103ccafa59f51","target":"record","created_at":"2026-07-05T08:25:25Z","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":"f91feca9190ab0a11dc9277f7e3e1362f82d81b98e7ce87522302c3d6f53916e","cross_cats_sorted":["cond-mat.stat-mech","physics.bio-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2019-12-11T20:37:35Z","title_canon_sha256":"0207c9804dfd2a5c6ec5e87dca64b80c9902b6f4ec9f6e86722e7e7228d86e8d"},"schema_version":"1.0","source":{"id":"1912.06710","kind":"arxiv","version":1}},"canonical_sha256":"c80180d04dfad84d9c4bd90a118519171132e645c28b52e9e6e4631e2431a215","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c80180d04dfad84d9c4bd90a118519171132e645c28b52e9e6e4631e2431a215","first_computed_at":"2026-07-05T08:25:25.894812Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T08:25:25.894812Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"htkUKFu1qjZSP9/IDCQ50MCLBwe0460tN3SP785QvyZqLMs7GscVw8u68wgC1RcxlESvUoy6PyX7uWT284OvCw==","signature_status":"signed_v1","signed_at":"2026-07-05T08:25:25.895219Z","signed_message":"canonical_sha256_bytes"},"source_id":"1912.06710","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:3a5812913e93a3e75200407ae0ad093ccc58b1c63d8f787d61a103ccafa59f51","sha256:3b53354c75c39f88bbd7f259255cb51534e9d3d8635a436e27a4af1248e231e6"],"state_sha256":"630b1588d0d5d4bb3edf1c7c9836a779f06d9784a8739e0527e760eb9c4ccf0c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Nod9dNLGcYfbHeYyBXRbDwETZcQVa/tOuabwfofzqoC5D3mnaUhkdRl3wkfBKN/aJ09wVVFobDg4FM+lZI55CA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-13T23:05:52.657668Z","bundle_sha256":"17f58bd039d9f265f93b8b69be27a19641c9e8fd20fa7c45987b880bc16689ed"}}