{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:CXG443HX3SC5JW7ZDY7IHAQYF7","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":"15b2706d1c639f0a09a8131138a4202967cd546e2a593c1c384e8c640dbb7846","cross_cats_sorted":["cond-mat.mtrl-sci"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.chem-ph","submitted_at":"2018-07-24T09:42:44Z","title_canon_sha256":"7b886a50bab4f91657ff2b1eee6be63255c9e5cf5809618e067a3e7440b45eeb"},"schema_version":"1.0","source":{"id":"1807.08992","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1807.08992","created_at":"2026-05-18T00:09:57Z"},{"alias_kind":"arxiv_version","alias_value":"1807.08992v1","created_at":"2026-05-18T00:09:57Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1807.08992","created_at":"2026-05-18T00:09:57Z"},{"alias_kind":"pith_short_12","alias_value":"CXG443HX3SC5","created_at":"2026-05-18T12:32:19Z"},{"alias_kind":"pith_short_16","alias_value":"CXG443HX3SC5JW7Z","created_at":"2026-05-18T12:32:19Z"},{"alias_kind":"pith_short_8","alias_value":"CXG443HX","created_at":"2026-05-18T12:32:19Z"}],"graph_snapshots":[{"event_id":"sha256:0cd12a8300fd9d7b284dddb5dec1f1f219df2a6a5f4863d6029b45f4519df838","target":"graph","created_at":"2026-05-18T00:09:57Z","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 structures of three negatively charged forms (anionic keto-1 and enol-1, dianonic enol-2) of oxyluciferin (OxyLuc), which are the most probable emitters responsible for the firefly bioluminescence, have been fully relaxed at the variational Monte Carlo (VMC) level. Absorption energies of the S1<-S0 vertical transition have been computed using different levels of theory, such as TDDFT, CC2 and many body Green's function Theory (MBGFT). The use of MBGFT, by means of the Bethe-Salpeter (BS) formalism, on VMC structures provides results in excellent agreement with the value (2.26(8) eV) obtain","authors_text":"Daniele Varsano, Emanuele Coccia, Leonardo Guidoni","cross_cats":["cond-mat.mtrl-sci"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.chem-ph","submitted_at":"2018-07-24T09:42:44Z","title":"Theoretical S1 <- S0 absorption energies of the anionic forms of oxyluciferin by Variational Monte Carlo and Many Body Green's Function Theory"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1807.08992","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":"sha256:0f7bae6bb0634e7facae67b85e09254b831c3b1b6c3da4628198cd7f246fe838","target":"record","created_at":"2026-05-18T00:09:57Z","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":"15b2706d1c639f0a09a8131138a4202967cd546e2a593c1c384e8c640dbb7846","cross_cats_sorted":["cond-mat.mtrl-sci"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.chem-ph","submitted_at":"2018-07-24T09:42:44Z","title_canon_sha256":"7b886a50bab4f91657ff2b1eee6be63255c9e5cf5809618e067a3e7440b45eeb"},"schema_version":"1.0","source":{"id":"1807.08992","kind":"arxiv","version":1}},"canonical_sha256":"15cdce6cf7dc85d4dbf91e3e8382182ff2971adee9c5102c96a832efa3c5981f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"15cdce6cf7dc85d4dbf91e3e8382182ff2971adee9c5102c96a832efa3c5981f","first_computed_at":"2026-05-18T00:09:57.122208Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:09:57.122208Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"fnhuNtoYGQdcq29ER0E6OGUTNfrrMYK0jWPA7y1tJ4FZGaL7I1UOCUIIZfkecrGMGJZGCdcUxVCUenKbEcNwCA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:09:57.122854Z","signed_message":"canonical_sha256_bytes"},"source_id":"1807.08992","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:0f7bae6bb0634e7facae67b85e09254b831c3b1b6c3da4628198cd7f246fe838","sha256:0cd12a8300fd9d7b284dddb5dec1f1f219df2a6a5f4863d6029b45f4519df838"],"state_sha256":"dcd9f37d694b2376711dd53ecc189007a1bdb0feeec9c12df755197918cd9fcd"}