{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:NQRTE6VPGNBS2KPX6VI3FKNUPT","short_pith_number":"pith:NQRTE6VP","canonical_record":{"source":{"id":"1807.01765","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2018-07-04T20:31:18Z","cross_cats_sorted":[],"title_canon_sha256":"9180c4e567a5b135e7a87b3318846dfd4d285c9d310140841cada08dc4275231","abstract_canon_sha256":"3fe74fd9ae77ab134953bcae53b1900093c013b122160397ac1c7ecf96f3dd22"},"schema_version":"1.0"},"canonical_sha256":"6c23327aaf33432d29f7f551b2a9b47cf48185b3db5a4800d1944a8e1ad30548","source":{"kind":"arxiv","id":"1807.01765","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1807.01765","created_at":"2026-05-17T23:52:07Z"},{"alias_kind":"arxiv_version","alias_value":"1807.01765v1","created_at":"2026-05-17T23:52:07Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1807.01765","created_at":"2026-05-17T23:52:07Z"},{"alias_kind":"pith_short_12","alias_value":"NQRTE6VPGNBS","created_at":"2026-05-18T12:32:40Z"},{"alias_kind":"pith_short_16","alias_value":"NQRTE6VPGNBS2KPX","created_at":"2026-05-18T12:32:40Z"},{"alias_kind":"pith_short_8","alias_value":"NQRTE6VP","created_at":"2026-05-18T12:32:40Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:NQRTE6VPGNBS2KPX6VI3FKNUPT","target":"record","payload":{"canonical_record":{"source":{"id":"1807.01765","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2018-07-04T20:31:18Z","cross_cats_sorted":[],"title_canon_sha256":"9180c4e567a5b135e7a87b3318846dfd4d285c9d310140841cada08dc4275231","abstract_canon_sha256":"3fe74fd9ae77ab134953bcae53b1900093c013b122160397ac1c7ecf96f3dd22"},"schema_version":"1.0"},"canonical_sha256":"6c23327aaf33432d29f7f551b2a9b47cf48185b3db5a4800d1944a8e1ad30548","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:52:07.393200Z","signature_b64":"FLI3sQt+eqrV1MoovEwzEe+xxI7vc4MftQ5RJRGtonAAMR0f6CduupVwngnMyc1debVp/vxJVpB5V+aGtuYjBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"6c23327aaf33432d29f7f551b2a9b47cf48185b3db5a4800d1944a8e1ad30548","last_reissued_at":"2026-05-17T23:52:07.392755Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:52:07.392755Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1807.01765","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":"2026-05-17T23:52:07Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"1UHLRC8cLBh+5YXafYwA9ZfTOTJkNLrhSmC1PHN4pOTekNniNl4mMQFCorUDqZ0/28UPVHfcS+//9Mn1wJ4pBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-06T15:45:13.911746Z"},"content_sha256":"4f9bca94ba9c507d334dc69a3898e4cfcc20a7ae5fa3ddd60bf5e64b9eeee71f","schema_version":"1.0","event_id":"sha256:4f9bca94ba9c507d334dc69a3898e4cfcc20a7ae5fa3ddd60bf5e64b9eeee71f"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:NQRTE6VPGNBS2KPX6VI3FKNUPT","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Monte Carlo algorithm based on internal bridging moves for the atomistic simulation of thiophene oligomers and polymers","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.soft","authors_text":"Flora D. Tsourtou, Loukas D. Peristeras, Stavros D. Peroukidis, Vlasis G. Mavrantzas","submitted_at":"2018-07-04T20:31:18Z","abstract_excerpt":"We introduce a powerful Monte Carlo (MC) algorithm for the atomistic simulation of bulk models of oligo- and poly-thiophenes by redesigning MC moves originally developed for considerably simpler polymer structures and architectures, such as linear and branched polyethylene, to account for the ring structure of the thiophene monomer. Elementary MC moves implemented include bias reptation of an end thiophene ring, flip of an internal thiophene ring, rotation of an end thiophene ring, concerted rotation of three thiophene rings, rigid translation of an entire molecule, rotation of an entire molec"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1807.01765","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":"2026-05-17T23:52:07Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"w/WCUasuMuHaQuR357M56F5fNY80zq7SpQUQBDXAGHdXMl4v9OXErJ3JW0y6Rfy0PwJ4LdVLktGY5w4FHxU6Bw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-06T15:45:13.912099Z"},"content_sha256":"20d255a174dfa8bc94799f74adfc6dd974cf7eed92ef74c27b1c9ddb52aa1a56","schema_version":"1.0","event_id":"sha256:20d255a174dfa8bc94799f74adfc6dd974cf7eed92ef74c27b1c9ddb52aa1a56"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/NQRTE6VPGNBS2KPX6VI3FKNUPT/bundle.json","state_url":"https://pith.science/pith/NQRTE6VPGNBS2KPX6VI3FKNUPT/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/NQRTE6VPGNBS2KPX6VI3FKNUPT/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":"2026-06-06T15:45:13Z","links":{"resolver":"https://pith.science/pith/NQRTE6VPGNBS2KPX6VI3FKNUPT","bundle":"https://pith.science/pith/NQRTE6VPGNBS2KPX6VI3FKNUPT/bundle.json","state":"https://pith.science/pith/NQRTE6VPGNBS2KPX6VI3FKNUPT/state.json","well_known_bundle":"https://pith.science/.well-known/pith/NQRTE6VPGNBS2KPX6VI3FKNUPT/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:NQRTE6VPGNBS2KPX6VI3FKNUPT","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":"3fe74fd9ae77ab134953bcae53b1900093c013b122160397ac1c7ecf96f3dd22","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2018-07-04T20:31:18Z","title_canon_sha256":"9180c4e567a5b135e7a87b3318846dfd4d285c9d310140841cada08dc4275231"},"schema_version":"1.0","source":{"id":"1807.01765","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1807.01765","created_at":"2026-05-17T23:52:07Z"},{"alias_kind":"arxiv_version","alias_value":"1807.01765v1","created_at":"2026-05-17T23:52:07Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1807.01765","created_at":"2026-05-17T23:52:07Z"},{"alias_kind":"pith_short_12","alias_value":"NQRTE6VPGNBS","created_at":"2026-05-18T12:32:40Z"},{"alias_kind":"pith_short_16","alias_value":"NQRTE6VPGNBS2KPX","created_at":"2026-05-18T12:32:40Z"},{"alias_kind":"pith_short_8","alias_value":"NQRTE6VP","created_at":"2026-05-18T12:32:40Z"}],"graph_snapshots":[{"event_id":"sha256:20d255a174dfa8bc94799f74adfc6dd974cf7eed92ef74c27b1c9ddb52aa1a56","target":"graph","created_at":"2026-05-17T23:52:07Z","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 introduce a powerful Monte Carlo (MC) algorithm for the atomistic simulation of bulk models of oligo- and poly-thiophenes by redesigning MC moves originally developed for considerably simpler polymer structures and architectures, such as linear and branched polyethylene, to account for the ring structure of the thiophene monomer. Elementary MC moves implemented include bias reptation of an end thiophene ring, flip of an internal thiophene ring, rotation of an end thiophene ring, concerted rotation of three thiophene rings, rigid translation of an entire molecule, rotation of an entire molec","authors_text":"Flora D. Tsourtou, Loukas D. Peristeras, Stavros D. Peroukidis, Vlasis G. Mavrantzas","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2018-07-04T20:31:18Z","title":"Monte Carlo algorithm based on internal bridging moves for the atomistic simulation of thiophene oligomers and polymers"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1807.01765","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":"sha256:4f9bca94ba9c507d334dc69a3898e4cfcc20a7ae5fa3ddd60bf5e64b9eeee71f","target":"record","created_at":"2026-05-17T23:52:07Z","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":"3fe74fd9ae77ab134953bcae53b1900093c013b122160397ac1c7ecf96f3dd22","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2018-07-04T20:31:18Z","title_canon_sha256":"9180c4e567a5b135e7a87b3318846dfd4d285c9d310140841cada08dc4275231"},"schema_version":"1.0","source":{"id":"1807.01765","kind":"arxiv","version":1}},"canonical_sha256":"6c23327aaf33432d29f7f551b2a9b47cf48185b3db5a4800d1944a8e1ad30548","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"6c23327aaf33432d29f7f551b2a9b47cf48185b3db5a4800d1944a8e1ad30548","first_computed_at":"2026-05-17T23:52:07.392755Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:52:07.392755Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"FLI3sQt+eqrV1MoovEwzEe+xxI7vc4MftQ5RJRGtonAAMR0f6CduupVwngnMyc1debVp/vxJVpB5V+aGtuYjBA==","signature_status":"signed_v1","signed_at":"2026-05-17T23:52:07.393200Z","signed_message":"canonical_sha256_bytes"},"source_id":"1807.01765","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:4f9bca94ba9c507d334dc69a3898e4cfcc20a7ae5fa3ddd60bf5e64b9eeee71f","sha256:20d255a174dfa8bc94799f74adfc6dd974cf7eed92ef74c27b1c9ddb52aa1a56"],"state_sha256":"9c06cafc0f13ef0ddc58e665fbad36ba03ae4bbc6281065b5ca7c7c988b22746"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"enRfsBpUpNL9rl3QK1b2O5FkWre85jrz5BX8cZHVLQCDisk5mEN2l6/GwUIyvNigMlhJavIeHbKRjf3O6seDCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-06T15:45:13.914098Z","bundle_sha256":"97322cf576914ae92b43ba2e974da8f655e84074b5106820702a07437a533dd1"}}