{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:ZGD4R4KOKVK4M7JN3JAJJ5B4WE","short_pith_number":"pith:ZGD4R4KO","canonical_record":{"source":{"id":"1606.00223","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2016-06-01T11:11:20Z","cross_cats_sorted":[],"title_canon_sha256":"23e6bef331b202a237b4996155fac77b92fb1836b8623a434409e7114c94fc53","abstract_canon_sha256":"428b3edc220a3ae355465cfc78dfda4eb0428ed42bfa45430e9acd11b07f0723"},"schema_version":"1.0"},"canonical_sha256":"c987c8f14e5555c67d2dda4094f43cb1052a147d3db13feec16ecb53956e834b","source":{"kind":"arxiv","id":"1606.00223","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1606.00223","created_at":"2026-05-18T01:05:12Z"},{"alias_kind":"arxiv_version","alias_value":"1606.00223v2","created_at":"2026-05-18T01:05:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1606.00223","created_at":"2026-05-18T01:05:12Z"},{"alias_kind":"pith_short_12","alias_value":"ZGD4R4KOKVK4","created_at":"2026-05-18T12:30:53Z"},{"alias_kind":"pith_short_16","alias_value":"ZGD4R4KOKVK4M7JN","created_at":"2026-05-18T12:30:53Z"},{"alias_kind":"pith_short_8","alias_value":"ZGD4R4KO","created_at":"2026-05-18T12:30:53Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:ZGD4R4KOKVK4M7JN3JAJJ5B4WE","target":"record","payload":{"canonical_record":{"source":{"id":"1606.00223","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2016-06-01T11:11:20Z","cross_cats_sorted":[],"title_canon_sha256":"23e6bef331b202a237b4996155fac77b92fb1836b8623a434409e7114c94fc53","abstract_canon_sha256":"428b3edc220a3ae355465cfc78dfda4eb0428ed42bfa45430e9acd11b07f0723"},"schema_version":"1.0"},"canonical_sha256":"c987c8f14e5555c67d2dda4094f43cb1052a147d3db13feec16ecb53956e834b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:05:12.255922Z","signature_b64":"6AgkbDrdJCGNjhu9yS90O03pReOe1vTLivnCBnU0HCpKGxdg2sRrj980PIDlzsLSnMFrhvHFx1M3o+CVS9ttCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c987c8f14e5555c67d2dda4094f43cb1052a147d3db13feec16ecb53956e834b","last_reissued_at":"2026-05-18T01:05:12.255234Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:05:12.255234Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1606.00223","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:05:12Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"b6q0w9ICHb3ZrLNjd5N6245bLCHfNA7NfMOYsQW7jZ4hBSCyHTyfre5wOf64D6en0Q1uNZRPSj4bIbLW8SFwCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-02T21:49:55.616295Z"},"content_sha256":"e16a4e616d86df591478a2158dbcf6333c35a42161b1a87197273de21082f726","schema_version":"1.0","event_id":"sha256:e16a4e616d86df591478a2158dbcf6333c35a42161b1a87197273de21082f726"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:ZGD4R4KOKVK4M7JN3JAJJ5B4WE","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Clustering of Self-Propelled Triangles with Surface Roughness","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.soft","authors_text":"Christian Holm, Joost de Graaf, Sven Erik Ilse","submitted_at":"2016-06-01T11:11:20Z","abstract_excerpt":"Self-propelled particles can spontaneously form dense phases from a dilute suspension in a process referred to as motility-induced phase separation. The properties of the out-of-equilibrium structures that are formed are governed by the specifics of the particle interactions and the strength of the activity. Thus far, most studies into the formation of these structures have focused on spherical colloids, dumbbells, and rod-like particles endowed with various interaction potentials. Only a few studies have examined the collective behavior of more complex particle shapes. Here, we increase the g"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1606.00223","kind":"arxiv","version":2},"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":"2026-05-18T01:05:12Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"shoiiHbtJxvgb/ufT2grVEVdUDSF7j5tAiDKZxcgvZ/C7SOx9NipdTcIcN8O8rZAvYKodB7X9ujMGlFoNfoRAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-02T21:49:55.616659Z"},"content_sha256":"b03f227f06499b6076f9d048aefc2d8262737298da70a2fc7ba14fbab2c2af94","schema_version":"1.0","event_id":"sha256:b03f227f06499b6076f9d048aefc2d8262737298da70a2fc7ba14fbab2c2af94"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/ZGD4R4KOKVK4M7JN3JAJJ5B4WE/bundle.json","state_url":"https://pith.science/pith/ZGD4R4KOKVK4M7JN3JAJJ5B4WE/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/ZGD4R4KOKVK4M7JN3JAJJ5B4WE/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":"2026-07-02T21:49:55Z","links":{"resolver":"https://pith.science/pith/ZGD4R4KOKVK4M7JN3JAJJ5B4WE","bundle":"https://pith.science/pith/ZGD4R4KOKVK4M7JN3JAJJ5B4WE/bundle.json","state":"https://pith.science/pith/ZGD4R4KOKVK4M7JN3JAJJ5B4WE/state.json","well_known_bundle":"https://pith.science/.well-known/pith/ZGD4R4KOKVK4M7JN3JAJJ5B4WE/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:ZGD4R4KOKVK4M7JN3JAJJ5B4WE","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":"428b3edc220a3ae355465cfc78dfda4eb0428ed42bfa45430e9acd11b07f0723","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2016-06-01T11:11:20Z","title_canon_sha256":"23e6bef331b202a237b4996155fac77b92fb1836b8623a434409e7114c94fc53"},"schema_version":"1.0","source":{"id":"1606.00223","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1606.00223","created_at":"2026-05-18T01:05:12Z"},{"alias_kind":"arxiv_version","alias_value":"1606.00223v2","created_at":"2026-05-18T01:05:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1606.00223","created_at":"2026-05-18T01:05:12Z"},{"alias_kind":"pith_short_12","alias_value":"ZGD4R4KOKVK4","created_at":"2026-05-18T12:30:53Z"},{"alias_kind":"pith_short_16","alias_value":"ZGD4R4KOKVK4M7JN","created_at":"2026-05-18T12:30:53Z"},{"alias_kind":"pith_short_8","alias_value":"ZGD4R4KO","created_at":"2026-05-18T12:30:53Z"}],"graph_snapshots":[{"event_id":"sha256:b03f227f06499b6076f9d048aefc2d8262737298da70a2fc7ba14fbab2c2af94","target":"graph","created_at":"2026-05-18T01:05:12Z","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":"Self-propelled particles can spontaneously form dense phases from a dilute suspension in a process referred to as motility-induced phase separation. The properties of the out-of-equilibrium structures that are formed are governed by the specifics of the particle interactions and the strength of the activity. Thus far, most studies into the formation of these structures have focused on spherical colloids, dumbbells, and rod-like particles endowed with various interaction potentials. Only a few studies have examined the collective behavior of more complex particle shapes. Here, we increase the g","authors_text":"Christian Holm, Joost de Graaf, Sven Erik Ilse","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2016-06-01T11:11:20Z","title":"Clustering of Self-Propelled Triangles with Surface Roughness"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1606.00223","kind":"arxiv","version":2},"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:e16a4e616d86df591478a2158dbcf6333c35a42161b1a87197273de21082f726","target":"record","created_at":"2026-05-18T01:05:12Z","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":"428b3edc220a3ae355465cfc78dfda4eb0428ed42bfa45430e9acd11b07f0723","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2016-06-01T11:11:20Z","title_canon_sha256":"23e6bef331b202a237b4996155fac77b92fb1836b8623a434409e7114c94fc53"},"schema_version":"1.0","source":{"id":"1606.00223","kind":"arxiv","version":2}},"canonical_sha256":"c987c8f14e5555c67d2dda4094f43cb1052a147d3db13feec16ecb53956e834b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c987c8f14e5555c67d2dda4094f43cb1052a147d3db13feec16ecb53956e834b","first_computed_at":"2026-05-18T01:05:12.255234Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:05:12.255234Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"6AgkbDrdJCGNjhu9yS90O03pReOe1vTLivnCBnU0HCpKGxdg2sRrj980PIDlzsLSnMFrhvHFx1M3o+CVS9ttCg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:05:12.255922Z","signed_message":"canonical_sha256_bytes"},"source_id":"1606.00223","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e16a4e616d86df591478a2158dbcf6333c35a42161b1a87197273de21082f726","sha256:b03f227f06499b6076f9d048aefc2d8262737298da70a2fc7ba14fbab2c2af94"],"state_sha256":"36441f2746ed542da683453aa0fa274745a8ea5e75afb4cfa6acaa9157db1913"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"00xxal94JViMNTF2uzkI7K0rnXrcmlJNqsKw7QAeVCAyMvrIMuqeCk4d4DzsSzD/2MlsNgncjRkhoBb2FeJcDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-02T21:49:55.618647Z","bundle_sha256":"b617e308882262ff44b5cc895f2c3890c94cba6c8bc92b76d23e6d988653542b"}}