{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:WFKDLQIX73XBFVHA7RXILILL3X","short_pith_number":"pith:WFKDLQIX","canonical_record":{"source":{"id":"2508.18789","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.soft","submitted_at":"2025-08-26T08:14:38Z","cross_cats_sorted":["physics.bio-ph","physics.comp-ph"],"title_canon_sha256":"3f2ce5f53d8344bc586158268bcec23556ad2edb0216258836ce70875cfd25b2","abstract_canon_sha256":"ea0bc4d6a7237b715d0a0a8df60e506f71f14560dd51427e3bcd06facde85a30"},"schema_version":"1.0"},"canonical_sha256":"b15435c117feee12d4e0fc6e85a16bddfca065a25239fae2ff4e48921e9c63b7","source":{"kind":"arxiv","id":"2508.18789","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2508.18789","created_at":"2026-07-05T11:59:31Z"},{"alias_kind":"arxiv_version","alias_value":"2508.18789v1","created_at":"2026-07-05T11:59:31Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2508.18789","created_at":"2026-07-05T11:59:31Z"},{"alias_kind":"pith_short_12","alias_value":"WFKDLQIX73XB","created_at":"2026-07-05T11:59:31Z"},{"alias_kind":"pith_short_16","alias_value":"WFKDLQIX73XBFVHA","created_at":"2026-07-05T11:59:31Z"},{"alias_kind":"pith_short_8","alias_value":"WFKDLQIX","created_at":"2026-07-05T11:59:31Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:WFKDLQIX73XBFVHA7RXILILL3X","target":"record","payload":{"canonical_record":{"source":{"id":"2508.18789","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.soft","submitted_at":"2025-08-26T08:14:38Z","cross_cats_sorted":["physics.bio-ph","physics.comp-ph"],"title_canon_sha256":"3f2ce5f53d8344bc586158268bcec23556ad2edb0216258836ce70875cfd25b2","abstract_canon_sha256":"ea0bc4d6a7237b715d0a0a8df60e506f71f14560dd51427e3bcd06facde85a30"},"schema_version":"1.0"},"canonical_sha256":"b15435c117feee12d4e0fc6e85a16bddfca065a25239fae2ff4e48921e9c63b7","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T11:59:31.053344Z","signature_b64":"DlsGUW2WaxjA+I0X+8IMPmfJopIB3TyitfoCxL0/YDTdgOXqtJ2MLQdvwMWuwNRhVaRdohuY25JKTqOWytRNCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b15435c117feee12d4e0fc6e85a16bddfca065a25239fae2ff4e48921e9c63b7","last_reissued_at":"2026-07-05T11:59:31.052887Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T11:59:31.052887Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2508.18789","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":"2026-07-05T11:59:31Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"zuQizraWzxCmOKypXai1izmcJTHLEqRrxua20mgEfeOXjve/jNkvfDaOhbsew5DnSc8Ld94NoIIbVDMWNdRAAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-21T15:38:52.359888Z"},"content_sha256":"33008106a9fd67d0d0b612030cd8c35e345a0bc9178390f935f97cb6f3e5ce8e","schema_version":"1.0","event_id":"sha256:33008106a9fd67d0d0b612030cd8c35e345a0bc9178390f935f97cb6f3e5ce8e"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:WFKDLQIX73XBFVHA7RXILILL3X","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Locally tuned hydrodynamics of active polymer chains","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["physics.bio-ph","physics.comp-ph"],"primary_cat":"cond-mat.soft","authors_text":"Andreas Z\\\"ottl, Christos N. Likos, Lisa Sappl","submitted_at":"2025-08-26T08:14:38Z","abstract_excerpt":"We employ mesoscopic simulations to study active polymers in a solvent via multi-particle collision dynamics. We investigate linear chains in which either the head or tail monomer exerts an active force, directed away from or towards its neighbor, respectively, while the remaining monomers are passive. We find that, in contrast to flexible chains, for stiff chains the position of the active monomer has minimal influence on both the structural and dynamic properties of the chain. An active head monomer pulls the chain behind it, straightening the backbone -- an effect that can be interpreted as"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2508.18789","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/2508.18789/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":"2026-07-05T11:59:31Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Qr/KHo9vyYG0aRsQoZYTiz/QBWfeED+Sp8HObX3mR2mNWak/O3I7WtjzrnBKEmEBL6sEJioHb+yC7OZpPXNCBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-21T15:38:52.360794Z"},"content_sha256":"7582686ea416c179076fbc5558085e8aff04d663fc4ce47c88de8381259222e9","schema_version":"1.0","event_id":"sha256:7582686ea416c179076fbc5558085e8aff04d663fc4ce47c88de8381259222e9"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/WFKDLQIX73XBFVHA7RXILILL3X/bundle.json","state_url":"https://pith.science/pith/WFKDLQIX73XBFVHA7RXILILL3X/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/WFKDLQIX73XBFVHA7RXILILL3X/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":"2026-08-21T15:38:52Z","links":{"resolver":"https://pith.science/pith/WFKDLQIX73XBFVHA7RXILILL3X","bundle":"https://pith.science/pith/WFKDLQIX73XBFVHA7RXILILL3X/bundle.json","state":"https://pith.science/pith/WFKDLQIX73XBFVHA7RXILILL3X/state.json","well_known_bundle":"https://pith.science/.well-known/pith/WFKDLQIX73XBFVHA7RXILILL3X/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:WFKDLQIX73XBFVHA7RXILILL3X","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":"ea0bc4d6a7237b715d0a0a8df60e506f71f14560dd51427e3bcd06facde85a30","cross_cats_sorted":["physics.bio-ph","physics.comp-ph"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.soft","submitted_at":"2025-08-26T08:14:38Z","title_canon_sha256":"3f2ce5f53d8344bc586158268bcec23556ad2edb0216258836ce70875cfd25b2"},"schema_version":"1.0","source":{"id":"2508.18789","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2508.18789","created_at":"2026-07-05T11:59:31Z"},{"alias_kind":"arxiv_version","alias_value":"2508.18789v1","created_at":"2026-07-05T11:59:31Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2508.18789","created_at":"2026-07-05T11:59:31Z"},{"alias_kind":"pith_short_12","alias_value":"WFKDLQIX73XB","created_at":"2026-07-05T11:59:31Z"},{"alias_kind":"pith_short_16","alias_value":"WFKDLQIX73XBFVHA","created_at":"2026-07-05T11:59:31Z"},{"alias_kind":"pith_short_8","alias_value":"WFKDLQIX","created_at":"2026-07-05T11:59:31Z"}],"graph_snapshots":[{"event_id":"sha256:7582686ea416c179076fbc5558085e8aff04d663fc4ce47c88de8381259222e9","target":"graph","created_at":"2026-07-05T11:59:31Z","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/2508.18789/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We employ mesoscopic simulations to study active polymers in a solvent via multi-particle collision dynamics. We investigate linear chains in which either the head or tail monomer exerts an active force, directed away from or towards its neighbor, respectively, while the remaining monomers are passive. We find that, in contrast to flexible chains, for stiff chains the position of the active monomer has minimal influence on both the structural and dynamic properties of the chain. An active head monomer pulls the chain behind it, straightening the backbone -- an effect that can be interpreted as","authors_text":"Andreas Z\\\"ottl, Christos N. Likos, Lisa Sappl","cross_cats":["physics.bio-ph","physics.comp-ph"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.soft","submitted_at":"2025-08-26T08:14:38Z","title":"Locally tuned hydrodynamics of active polymer chains"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2508.18789","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":"sha256:33008106a9fd67d0d0b612030cd8c35e345a0bc9178390f935f97cb6f3e5ce8e","target":"record","created_at":"2026-07-05T11:59:31Z","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":"ea0bc4d6a7237b715d0a0a8df60e506f71f14560dd51427e3bcd06facde85a30","cross_cats_sorted":["physics.bio-ph","physics.comp-ph"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.soft","submitted_at":"2025-08-26T08:14:38Z","title_canon_sha256":"3f2ce5f53d8344bc586158268bcec23556ad2edb0216258836ce70875cfd25b2"},"schema_version":"1.0","source":{"id":"2508.18789","kind":"arxiv","version":1}},"canonical_sha256":"b15435c117feee12d4e0fc6e85a16bddfca065a25239fae2ff4e48921e9c63b7","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b15435c117feee12d4e0fc6e85a16bddfca065a25239fae2ff4e48921e9c63b7","first_computed_at":"2026-07-05T11:59:31.052887Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T11:59:31.052887Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"DlsGUW2WaxjA+I0X+8IMPmfJopIB3TyitfoCxL0/YDTdgOXqtJ2MLQdvwMWuwNRhVaRdohuY25JKTqOWytRNCA==","signature_status":"signed_v1","signed_at":"2026-07-05T11:59:31.053344Z","signed_message":"canonical_sha256_bytes"},"source_id":"2508.18789","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:33008106a9fd67d0d0b612030cd8c35e345a0bc9178390f935f97cb6f3e5ce8e","sha256:7582686ea416c179076fbc5558085e8aff04d663fc4ce47c88de8381259222e9"],"state_sha256":"98b8702a452d828badc5a8f35fec9e736ebdbecc500ec3b6137162a452dc4200"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Xw0YhYJ+xb+5exfbY0tmq0+CBHwZYa28xrzTu9nGf2/IGtdFmuau0wd56n4F4K5wLDN1Z1DA0P/80T0fyCTwBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-21T15:38:52.368217Z","bundle_sha256":"eafe77b18a41949a61031c04c2f40417b8cec67e991babffc0eaeb9f656b8c13"}}