{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:WY3IFIZ4WVCRNYRDSBKH4BBR7C","short_pith_number":"pith:WY3IFIZ4","canonical_record":{"source":{"id":"1408.3556","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.bio-ph","submitted_at":"2014-08-15T15:13:10Z","cross_cats_sorted":["physics.chem-ph"],"title_canon_sha256":"9da9b119c00b9287abcafacd9913570629fa325e591799f04be72837f498b15c","abstract_canon_sha256":"c288b277fd5b8c336382c080b2513b480bee865645df014a652adb3989e5e6c5"},"schema_version":"1.0"},"canonical_sha256":"b63682a33cb54516e22390547e0431f89cc8bc314f0d98d7a6d14d7a1b0f4842","source":{"kind":"arxiv","id":"1408.3556","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1408.3556","created_at":"2026-05-18T01:19:16Z"},{"alias_kind":"arxiv_version","alias_value":"1408.3556v1","created_at":"2026-05-18T01:19:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1408.3556","created_at":"2026-05-18T01:19:16Z"},{"alias_kind":"pith_short_12","alias_value":"WY3IFIZ4WVCR","created_at":"2026-05-18T12:28:54Z"},{"alias_kind":"pith_short_16","alias_value":"WY3IFIZ4WVCRNYRD","created_at":"2026-05-18T12:28:54Z"},{"alias_kind":"pith_short_8","alias_value":"WY3IFIZ4","created_at":"2026-05-18T12:28:54Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:WY3IFIZ4WVCRNYRDSBKH4BBR7C","target":"record","payload":{"canonical_record":{"source":{"id":"1408.3556","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.bio-ph","submitted_at":"2014-08-15T15:13:10Z","cross_cats_sorted":["physics.chem-ph"],"title_canon_sha256":"9da9b119c00b9287abcafacd9913570629fa325e591799f04be72837f498b15c","abstract_canon_sha256":"c288b277fd5b8c336382c080b2513b480bee865645df014a652adb3989e5e6c5"},"schema_version":"1.0"},"canonical_sha256":"b63682a33cb54516e22390547e0431f89cc8bc314f0d98d7a6d14d7a1b0f4842","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:19:16.276774Z","signature_b64":"2RFFDk3r9Hd3auUssdg+jrnyG4n+iOsrw9cv4XYL8wyPiUYsBDKizRT1DLCv26Qkl3jR+W9AEIf0uRVXZeh2CQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b63682a33cb54516e22390547e0431f89cc8bc314f0d98d7a6d14d7a1b0f4842","last_reissued_at":"2026-05-18T01:19:16.276361Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:19:16.276361Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1408.3556","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":"2026-05-18T01:19:16Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"VqCrW5OBxo5fQmVj4hoWMJ4z1/USsRjNG8gYjGCGCI7/xm2hs2y3my2viK2EmLjjaVkgVngeXivBGtkkey8OBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-12T10:14:44.013807Z"},"content_sha256":"31b2a5a14cd7489237b2d7b107e0e80f51fd56a59df20bd357847ad98eaec25d","schema_version":"1.0","event_id":"sha256:31b2a5a14cd7489237b2d7b107e0e80f51fd56a59df20bd357847ad98eaec25d"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:WY3IFIZ4WVCRNYRDSBKH4BBR7C","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Probing the Role of the Eighth Bacteriochlorophyll in holo-FMO Complex by Simulated Two-Dimensional Electronic Spectroscopy","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.chem-ph"],"primary_cat":"physics.bio-ph","authors_text":"Sabre Kais, Shu-Hao Yeh","submitted_at":"2014-08-15T15:13:10Z","abstract_excerpt":"The Fenna-Matthews-Olson (FMO) protein-pigment complex acts as a molecular wire between the outer antenna system and the reaction center (RC); it is an important model system to study the excitonic energy transfer. Recent crystallographic studies report the existence of an additional (eighth) bacteriochlorophyll a (BChl a). To understand the functionality of this eighth BChl, we simulated the two-dimensional electronic spectra of both the 7-site (apo form) and the 8-site (holo form) variant of the FMO complex from green sulfur bacteria, Prosthecochloris aestuarii. By comparing the difference b"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1408.3556","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":"2026-05-18T01:19:16Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"pB1X4867Llt12KHcgJG8L6ETG1nEa4RQXsJ2iHh8nNotiN4Vh2eZQ91zFhY/Rh/jdWDHpWZZWtH5vvN/GozGDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-12T10:14:44.014142Z"},"content_sha256":"766b357ffb34af8c90674a5ff127ca39adf830050575c5509739ba31f48143f8","schema_version":"1.0","event_id":"sha256:766b357ffb34af8c90674a5ff127ca39adf830050575c5509739ba31f48143f8"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/WY3IFIZ4WVCRNYRDSBKH4BBR7C/bundle.json","state_url":"https://pith.science/pith/WY3IFIZ4WVCRNYRDSBKH4BBR7C/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/WY3IFIZ4WVCRNYRDSBKH4BBR7C/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":"2026-06-12T10:14:44Z","links":{"resolver":"https://pith.science/pith/WY3IFIZ4WVCRNYRDSBKH4BBR7C","bundle":"https://pith.science/pith/WY3IFIZ4WVCRNYRDSBKH4BBR7C/bundle.json","state":"https://pith.science/pith/WY3IFIZ4WVCRNYRDSBKH4BBR7C/state.json","well_known_bundle":"https://pith.science/.well-known/pith/WY3IFIZ4WVCRNYRDSBKH4BBR7C/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:WY3IFIZ4WVCRNYRDSBKH4BBR7C","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":"c288b277fd5b8c336382c080b2513b480bee865645df014a652adb3989e5e6c5","cross_cats_sorted":["physics.chem-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.bio-ph","submitted_at":"2014-08-15T15:13:10Z","title_canon_sha256":"9da9b119c00b9287abcafacd9913570629fa325e591799f04be72837f498b15c"},"schema_version":"1.0","source":{"id":"1408.3556","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1408.3556","created_at":"2026-05-18T01:19:16Z"},{"alias_kind":"arxiv_version","alias_value":"1408.3556v1","created_at":"2026-05-18T01:19:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1408.3556","created_at":"2026-05-18T01:19:16Z"},{"alias_kind":"pith_short_12","alias_value":"WY3IFIZ4WVCR","created_at":"2026-05-18T12:28:54Z"},{"alias_kind":"pith_short_16","alias_value":"WY3IFIZ4WVCRNYRD","created_at":"2026-05-18T12:28:54Z"},{"alias_kind":"pith_short_8","alias_value":"WY3IFIZ4","created_at":"2026-05-18T12:28:54Z"}],"graph_snapshots":[{"event_id":"sha256:766b357ffb34af8c90674a5ff127ca39adf830050575c5509739ba31f48143f8","target":"graph","created_at":"2026-05-18T01:19:16Z","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 Fenna-Matthews-Olson (FMO) protein-pigment complex acts as a molecular wire between the outer antenna system and the reaction center (RC); it is an important model system to study the excitonic energy transfer. Recent crystallographic studies report the existence of an additional (eighth) bacteriochlorophyll a (BChl a). To understand the functionality of this eighth BChl, we simulated the two-dimensional electronic spectra of both the 7-site (apo form) and the 8-site (holo form) variant of the FMO complex from green sulfur bacteria, Prosthecochloris aestuarii. By comparing the difference b","authors_text":"Sabre Kais, Shu-Hao Yeh","cross_cats":["physics.chem-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.bio-ph","submitted_at":"2014-08-15T15:13:10Z","title":"Probing the Role of the Eighth Bacteriochlorophyll in holo-FMO Complex by Simulated Two-Dimensional Electronic Spectroscopy"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1408.3556","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":"sha256:31b2a5a14cd7489237b2d7b107e0e80f51fd56a59df20bd357847ad98eaec25d","target":"record","created_at":"2026-05-18T01:19:16Z","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":"c288b277fd5b8c336382c080b2513b480bee865645df014a652adb3989e5e6c5","cross_cats_sorted":["physics.chem-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.bio-ph","submitted_at":"2014-08-15T15:13:10Z","title_canon_sha256":"9da9b119c00b9287abcafacd9913570629fa325e591799f04be72837f498b15c"},"schema_version":"1.0","source":{"id":"1408.3556","kind":"arxiv","version":1}},"canonical_sha256":"b63682a33cb54516e22390547e0431f89cc8bc314f0d98d7a6d14d7a1b0f4842","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b63682a33cb54516e22390547e0431f89cc8bc314f0d98d7a6d14d7a1b0f4842","first_computed_at":"2026-05-18T01:19:16.276361Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:19:16.276361Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"2RFFDk3r9Hd3auUssdg+jrnyG4n+iOsrw9cv4XYL8wyPiUYsBDKizRT1DLCv26Qkl3jR+W9AEIf0uRVXZeh2CQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:19:16.276774Z","signed_message":"canonical_sha256_bytes"},"source_id":"1408.3556","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:31b2a5a14cd7489237b2d7b107e0e80f51fd56a59df20bd357847ad98eaec25d","sha256:766b357ffb34af8c90674a5ff127ca39adf830050575c5509739ba31f48143f8"],"state_sha256":"1387ed866aeb142846c65341bc66ae8ee969a36ac21c7f9d91c7402200450af7"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ukFwqETWPGewAAdtUQqJ0hQG+AgDrOOvS8bVpejLP508Cbflnlqkcxh1E9bu2e+BGlSHNeoKw+YWeTXeoorkAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-12T10:14:44.016033Z","bundle_sha256":"73f1d9f4248414654293be02ee7cb0285271d21aa6e91b8535c96703ce3ccfe9"}}