{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:PULWTLZMQRJQXTXQ67GQE6TNHU","short_pith_number":"pith:PULWTLZM","canonical_record":{"source":{"id":"1610.06528","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2016-10-20T18:22:29Z","cross_cats_sorted":[],"title_canon_sha256":"02c02bf170a535c2b875a16a39f3757b64cf5ffdfc9617842d27828e62c683cf","abstract_canon_sha256":"1b2f0c369b77976a290aecc60a55736757af6c83159c57b46abf88f4f25c9b0a"},"schema_version":"1.0"},"canonical_sha256":"7d1769af2c84530bcef0f7cd027a6d3d09a4114e6647ce1efc9510dcb2c48346","source":{"kind":"arxiv","id":"1610.06528","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1610.06528","created_at":"2026-05-18T00:57:04Z"},{"alias_kind":"arxiv_version","alias_value":"1610.06528v2","created_at":"2026-05-18T00:57:04Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1610.06528","created_at":"2026-05-18T00:57:04Z"},{"alias_kind":"pith_short_12","alias_value":"PULWTLZMQRJQ","created_at":"2026-05-18T12:30:39Z"},{"alias_kind":"pith_short_16","alias_value":"PULWTLZMQRJQXTXQ","created_at":"2026-05-18T12:30:39Z"},{"alias_kind":"pith_short_8","alias_value":"PULWTLZM","created_at":"2026-05-18T12:30:39Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:PULWTLZMQRJQXTXQ67GQE6TNHU","target":"record","payload":{"canonical_record":{"source":{"id":"1610.06528","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2016-10-20T18:22:29Z","cross_cats_sorted":[],"title_canon_sha256":"02c02bf170a535c2b875a16a39f3757b64cf5ffdfc9617842d27828e62c683cf","abstract_canon_sha256":"1b2f0c369b77976a290aecc60a55736757af6c83159c57b46abf88f4f25c9b0a"},"schema_version":"1.0"},"canonical_sha256":"7d1769af2c84530bcef0f7cd027a6d3d09a4114e6647ce1efc9510dcb2c48346","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:57:04.024028Z","signature_b64":"WpmTBb6aVS7rFdtbWonnEhMAXvcJDQbaSx0w7d9HChxCv9dzEQR1jni55g7embo5b0FaRuqrc0CFbwjkVXblCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"7d1769af2c84530bcef0f7cd027a6d3d09a4114e6647ce1efc9510dcb2c48346","last_reissued_at":"2026-05-18T00:57:04.023578Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:57:04.023578Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1610.06528","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":"2026-05-18T00:57:04Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"sGf666D0bx4HjmsABhJFvUVOrr7XdNRdkxS2xrATW3Es3AHCTHz0t6uACej7hw2FGHAluxAZ2KjTNV3QZ296AA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T13:33:53.587223Z"},"content_sha256":"49d8baf821b9c8de1062e46cddb49ccb56af72b7a88029299638ce74379ded71","schema_version":"1.0","event_id":"sha256:49d8baf821b9c8de1062e46cddb49ccb56af72b7a88029299638ce74379ded71"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:PULWTLZMQRJQXTXQ67GQE6TNHU","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Universal hydrodynamic mechanisms for crystallization in active colloidal suspensions","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.soft","authors_text":"R. Adhikari, Rajesh Singh","submitted_at":"2016-10-20T18:22:29Z","abstract_excerpt":"The lack of detailed balance in active colloidal suspensions allows dissipation to determine stationary states. Here we show that slow viscous flow produced by polar or apolar active colloids near plane walls mediates attractive hydrodynamic forces that drive crystallization. Hydrodynamically mediated torques tend to destabilize the crystal but stability can be regained through critical amounts of bottom-heaviness or chiral activity. Numerical simulations show that crystallization is not nucleational, as in equilibrium, but is preceded by a spinodal-like instability. Harmonic excitations of th"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1610.06528","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":"2026-05-18T00:57:04Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"bTK0Lqqws/ce6fvmQ0B9vYhztNqNfslKLExORgTL9vw9Eos50YAN0YlYVyGLPXKsU1ExzSVf0K/Zm9EHKcNRBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T13:33:53.587626Z"},"content_sha256":"82b0472f44d07875d33671cc6c472b58004acb2c26a024d028e456858c9c7349","schema_version":"1.0","event_id":"sha256:82b0472f44d07875d33671cc6c472b58004acb2c26a024d028e456858c9c7349"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/PULWTLZMQRJQXTXQ67GQE6TNHU/bundle.json","state_url":"https://pith.science/pith/PULWTLZMQRJQXTXQ67GQE6TNHU/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/PULWTLZMQRJQXTXQ67GQE6TNHU/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":"2026-06-01T13:33:53Z","links":{"resolver":"https://pith.science/pith/PULWTLZMQRJQXTXQ67GQE6TNHU","bundle":"https://pith.science/pith/PULWTLZMQRJQXTXQ67GQE6TNHU/bundle.json","state":"https://pith.science/pith/PULWTLZMQRJQXTXQ67GQE6TNHU/state.json","well_known_bundle":"https://pith.science/.well-known/pith/PULWTLZMQRJQXTXQ67GQE6TNHU/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:PULWTLZMQRJQXTXQ67GQE6TNHU","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":"1b2f0c369b77976a290aecc60a55736757af6c83159c57b46abf88f4f25c9b0a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2016-10-20T18:22:29Z","title_canon_sha256":"02c02bf170a535c2b875a16a39f3757b64cf5ffdfc9617842d27828e62c683cf"},"schema_version":"1.0","source":{"id":"1610.06528","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1610.06528","created_at":"2026-05-18T00:57:04Z"},{"alias_kind":"arxiv_version","alias_value":"1610.06528v2","created_at":"2026-05-18T00:57:04Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1610.06528","created_at":"2026-05-18T00:57:04Z"},{"alias_kind":"pith_short_12","alias_value":"PULWTLZMQRJQ","created_at":"2026-05-18T12:30:39Z"},{"alias_kind":"pith_short_16","alias_value":"PULWTLZMQRJQXTXQ","created_at":"2026-05-18T12:30:39Z"},{"alias_kind":"pith_short_8","alias_value":"PULWTLZM","created_at":"2026-05-18T12:30:39Z"}],"graph_snapshots":[{"event_id":"sha256:82b0472f44d07875d33671cc6c472b58004acb2c26a024d028e456858c9c7349","target":"graph","created_at":"2026-05-18T00:57:04Z","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":"The lack of detailed balance in active colloidal suspensions allows dissipation to determine stationary states. Here we show that slow viscous flow produced by polar or apolar active colloids near plane walls mediates attractive hydrodynamic forces that drive crystallization. Hydrodynamically mediated torques tend to destabilize the crystal but stability can be regained through critical amounts of bottom-heaviness or chiral activity. Numerical simulations show that crystallization is not nucleational, as in equilibrium, but is preceded by a spinodal-like instability. Harmonic excitations of th","authors_text":"R. Adhikari, Rajesh Singh","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2016-10-20T18:22:29Z","title":"Universal hydrodynamic mechanisms for crystallization in active colloidal suspensions"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1610.06528","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":"sha256:49d8baf821b9c8de1062e46cddb49ccb56af72b7a88029299638ce74379ded71","target":"record","created_at":"2026-05-18T00:57:04Z","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":"1b2f0c369b77976a290aecc60a55736757af6c83159c57b46abf88f4f25c9b0a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2016-10-20T18:22:29Z","title_canon_sha256":"02c02bf170a535c2b875a16a39f3757b64cf5ffdfc9617842d27828e62c683cf"},"schema_version":"1.0","source":{"id":"1610.06528","kind":"arxiv","version":2}},"canonical_sha256":"7d1769af2c84530bcef0f7cd027a6d3d09a4114e6647ce1efc9510dcb2c48346","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"7d1769af2c84530bcef0f7cd027a6d3d09a4114e6647ce1efc9510dcb2c48346","first_computed_at":"2026-05-18T00:57:04.023578Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:57:04.023578Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"WpmTBb6aVS7rFdtbWonnEhMAXvcJDQbaSx0w7d9HChxCv9dzEQR1jni55g7embo5b0FaRuqrc0CFbwjkVXblCA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:57:04.024028Z","signed_message":"canonical_sha256_bytes"},"source_id":"1610.06528","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:49d8baf821b9c8de1062e46cddb49ccb56af72b7a88029299638ce74379ded71","sha256:82b0472f44d07875d33671cc6c472b58004acb2c26a024d028e456858c9c7349"],"state_sha256":"be623469927e13e07bd5938932c285fcef2346e8d6af377b8b3999f680a241a4"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"BiZccnn1afuxcw5qIkLSj6295sqyhV3f6+eUgPjRp447vEdHeTfZBne/T0PHu/3+8UFTXSNqRuXWxX1rHVllBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-01T13:33:53.589626Z","bundle_sha256":"87f88c2fa1a4dcddbaac03bc6be4d58cad728844aab4e0919fd774e5b7dc54cf"}}