{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:INQGM3NEIMJGR2AT574ELZ3ZRR","short_pith_number":"pith:INQGM3NE","canonical_record":{"source":{"id":"2505.02292","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.chem-ph","submitted_at":"2025-05-04T23:21:29Z","cross_cats_sorted":[],"title_canon_sha256":"fbf31882460248e7481b63d58e82732d1da6f0a6139ae72a11dfb98833a6ac48","abstract_canon_sha256":"7691f0e94177169ee452e6db57aaa12d5b7e48180b2e2be3152f1b22f895e127"},"schema_version":"1.0"},"canonical_sha256":"4360666da4431268e813eff845e7798c453049920a79735b60cf541fa22925a8","source":{"kind":"arxiv","id":"2505.02292","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2505.02292","created_at":"2026-07-05T11:25:44Z"},{"alias_kind":"arxiv_version","alias_value":"2505.02292v2","created_at":"2026-07-05T11:25:44Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2505.02292","created_at":"2026-07-05T11:25:44Z"},{"alias_kind":"pith_short_12","alias_value":"INQGM3NEIMJG","created_at":"2026-07-05T11:25:44Z"},{"alias_kind":"pith_short_16","alias_value":"INQGM3NEIMJGR2AT","created_at":"2026-07-05T11:25:44Z"},{"alias_kind":"pith_short_8","alias_value":"INQGM3NE","created_at":"2026-07-05T11:25:44Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:INQGM3NEIMJGR2AT574ELZ3ZRR","target":"record","payload":{"canonical_record":{"source":{"id":"2505.02292","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.chem-ph","submitted_at":"2025-05-04T23:21:29Z","cross_cats_sorted":[],"title_canon_sha256":"fbf31882460248e7481b63d58e82732d1da6f0a6139ae72a11dfb98833a6ac48","abstract_canon_sha256":"7691f0e94177169ee452e6db57aaa12d5b7e48180b2e2be3152f1b22f895e127"},"schema_version":"1.0"},"canonical_sha256":"4360666da4431268e813eff845e7798c453049920a79735b60cf541fa22925a8","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T11:25:44.582158Z","signature_b64":"KcHwVakJySID4Pns1s/gBZqj5ujzprTRcwvSSBHXkTTqMHKnMjzOwu5eJMZEh//6Ds3cmk8zbLPkwqxV37QiAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4360666da4431268e813eff845e7798c453049920a79735b60cf541fa22925a8","last_reissued_at":"2026-07-05T11:25:44.581675Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T11:25:44.581675Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2505.02292","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":"2026-07-05T11:25:44Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"jQscbyBhlQ8EcCNDWf0ltjTxv3R0N9AI4LO5qb/9CxZrpYqqrsodOWF96cEyPqb+mSZNvZUTdQdiwuHj6/mQDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-23T05:55:00.610615Z"},"content_sha256":"57440a7ae955a42fc739d007704a92a26aa95c86d58e14272ca1a32922202187","schema_version":"1.0","event_id":"sha256:57440a7ae955a42fc739d007704a92a26aa95c86d58e14272ca1a32922202187"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:INQGM3NEIMJGR2AT574ELZ3ZRR","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Characterizing the Role of Peierls Vibrations in Singlet Fission with the Adaptive Hierarchy of Pure States","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.chem-ph","authors_text":"Doran I. G. B. Raccah, Jacob K. Lynd","submitted_at":"2025-05-04T23:21:29Z","abstract_excerpt":"Singlet fission, a phenomenon in which a singlet exciton is converted to two triplet excitons, is sensitive to vibrations that perturb couplings between electronic states (i.e., Peierls vibrations). In singlet fission models larger than dimers, the inconvenient scaling of exact simulations has limited treatment of Peierls vibrations to approximate methods. In this letter, we generalize the formally exact, reduced-scaling adaptive Hierarchy of Pure States (adHOPS) method to account for both Holstein and Peierls vibrations and study singlet fission in N,N'-Bis(2-phenylethyl)-3,4,9,10-perylenedi-"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2505.02292","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2505.02292/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":"2026-07-05T11:25:44Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"YFY0L4JJgpQu/qcLV3lxZXIliZJHznvzVr5kOQ3mCCtq//YxlIY7J3+PZIQ4ACSaH3kq7UDsaj3xOLqowwTVCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-23T05:55:00.611142Z"},"content_sha256":"161584cf893e456b9b32191f13f9904b27f8385b3dee476ee6dbae104b178b69","schema_version":"1.0","event_id":"sha256:161584cf893e456b9b32191f13f9904b27f8385b3dee476ee6dbae104b178b69"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/INQGM3NEIMJGR2AT574ELZ3ZRR/bundle.json","state_url":"https://pith.science/pith/INQGM3NEIMJGR2AT574ELZ3ZRR/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/INQGM3NEIMJGR2AT574ELZ3ZRR/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":"2026-08-23T05:55:00Z","links":{"resolver":"https://pith.science/pith/INQGM3NEIMJGR2AT574ELZ3ZRR","bundle":"https://pith.science/pith/INQGM3NEIMJGR2AT574ELZ3ZRR/bundle.json","state":"https://pith.science/pith/INQGM3NEIMJGR2AT574ELZ3ZRR/state.json","well_known_bundle":"https://pith.science/.well-known/pith/INQGM3NEIMJGR2AT574ELZ3ZRR/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:INQGM3NEIMJGR2AT574ELZ3ZRR","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":"7691f0e94177169ee452e6db57aaa12d5b7e48180b2e2be3152f1b22f895e127","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.chem-ph","submitted_at":"2025-05-04T23:21:29Z","title_canon_sha256":"fbf31882460248e7481b63d58e82732d1da6f0a6139ae72a11dfb98833a6ac48"},"schema_version":"1.0","source":{"id":"2505.02292","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2505.02292","created_at":"2026-07-05T11:25:44Z"},{"alias_kind":"arxiv_version","alias_value":"2505.02292v2","created_at":"2026-07-05T11:25:44Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2505.02292","created_at":"2026-07-05T11:25:44Z"},{"alias_kind":"pith_short_12","alias_value":"INQGM3NEIMJG","created_at":"2026-07-05T11:25:44Z"},{"alias_kind":"pith_short_16","alias_value":"INQGM3NEIMJGR2AT","created_at":"2026-07-05T11:25:44Z"},{"alias_kind":"pith_short_8","alias_value":"INQGM3NE","created_at":"2026-07-05T11:25:44Z"}],"graph_snapshots":[{"event_id":"sha256:161584cf893e456b9b32191f13f9904b27f8385b3dee476ee6dbae104b178b69","target":"graph","created_at":"2026-07-05T11:25:44Z","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/2505.02292/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Singlet fission, a phenomenon in which a singlet exciton is converted to two triplet excitons, is sensitive to vibrations that perturb couplings between electronic states (i.e., Peierls vibrations). In singlet fission models larger than dimers, the inconvenient scaling of exact simulations has limited treatment of Peierls vibrations to approximate methods. In this letter, we generalize the formally exact, reduced-scaling adaptive Hierarchy of Pure States (adHOPS) method to account for both Holstein and Peierls vibrations and study singlet fission in N,N'-Bis(2-phenylethyl)-3,4,9,10-perylenedi-","authors_text":"Doran I. G. B. Raccah, Jacob K. Lynd","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.chem-ph","submitted_at":"2025-05-04T23:21:29Z","title":"Characterizing the Role of Peierls Vibrations in Singlet Fission with the Adaptive Hierarchy of Pure States"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2505.02292","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":"sha256:57440a7ae955a42fc739d007704a92a26aa95c86d58e14272ca1a32922202187","target":"record","created_at":"2026-07-05T11:25:44Z","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":"7691f0e94177169ee452e6db57aaa12d5b7e48180b2e2be3152f1b22f895e127","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.chem-ph","submitted_at":"2025-05-04T23:21:29Z","title_canon_sha256":"fbf31882460248e7481b63d58e82732d1da6f0a6139ae72a11dfb98833a6ac48"},"schema_version":"1.0","source":{"id":"2505.02292","kind":"arxiv","version":2}},"canonical_sha256":"4360666da4431268e813eff845e7798c453049920a79735b60cf541fa22925a8","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"4360666da4431268e813eff845e7798c453049920a79735b60cf541fa22925a8","first_computed_at":"2026-07-05T11:25:44.581675Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T11:25:44.581675Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"KcHwVakJySID4Pns1s/gBZqj5ujzprTRcwvSSBHXkTTqMHKnMjzOwu5eJMZEh//6Ds3cmk8zbLPkwqxV37QiAA==","signature_status":"signed_v1","signed_at":"2026-07-05T11:25:44.582158Z","signed_message":"canonical_sha256_bytes"},"source_id":"2505.02292","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:57440a7ae955a42fc739d007704a92a26aa95c86d58e14272ca1a32922202187","sha256:161584cf893e456b9b32191f13f9904b27f8385b3dee476ee6dbae104b178b69"],"state_sha256":"8d43d0d61053ede0d4e340e174586c2050ae4b9348bce6668149810c9094ef9a"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"yFDvWaNy/WCeZlGKXKu47Y9GsBZDp1OvrSZn/r/n9ni9OkVR7lOhWX3btGDZ6zECHU0bDZMLd/F6pa313qW5Aw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-23T05:55:00.614680Z","bundle_sha256":"d535e20f2d3598fbe1be8798a2ba7cb1cf999ce2cc53e45d41a8f6ef86879461"}}