{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:XOEDYBVQ5GJQYKE6E2TUZRVBYS","short_pith_number":"pith:XOEDYBVQ","canonical_record":{"source":{"id":"1801.08385","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.bio-ph","submitted_at":"2018-01-25T12:54:35Z","cross_cats_sorted":[],"title_canon_sha256":"81ca348eecb67e5b193c762a640c10fe8e7e37651387dc5d525442d588bcbbef","abstract_canon_sha256":"bf437912a8175eaaf9a64bec014ea5347b107d096ad48888fea8e4e8daf67263"},"schema_version":"1.0"},"canonical_sha256":"bb883c06b0e9930c289e26a74cc6a1c48ad616e4d82c38d721f843682d41761b","source":{"kind":"arxiv","id":"1801.08385","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1801.08385","created_at":"2026-05-18T00:25:06Z"},{"alias_kind":"arxiv_version","alias_value":"1801.08385v1","created_at":"2026-05-18T00:25:06Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1801.08385","created_at":"2026-05-18T00:25:06Z"},{"alias_kind":"pith_short_12","alias_value":"XOEDYBVQ5GJQ","created_at":"2026-05-18T12:33:01Z"},{"alias_kind":"pith_short_16","alias_value":"XOEDYBVQ5GJQYKE6","created_at":"2026-05-18T12:33:01Z"},{"alias_kind":"pith_short_8","alias_value":"XOEDYBVQ","created_at":"2026-05-18T12:33:01Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:XOEDYBVQ5GJQYKE6E2TUZRVBYS","target":"record","payload":{"canonical_record":{"source":{"id":"1801.08385","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.bio-ph","submitted_at":"2018-01-25T12:54:35Z","cross_cats_sorted":[],"title_canon_sha256":"81ca348eecb67e5b193c762a640c10fe8e7e37651387dc5d525442d588bcbbef","abstract_canon_sha256":"bf437912a8175eaaf9a64bec014ea5347b107d096ad48888fea8e4e8daf67263"},"schema_version":"1.0"},"canonical_sha256":"bb883c06b0e9930c289e26a74cc6a1c48ad616e4d82c38d721f843682d41761b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:25:06.436465Z","signature_b64":"Hqyu9+dCjRQLbJg15k76k6HyqLWVQ//PB0x7aeXCwxdLSRnemRnObV7d96gfKC7UNu6qATfXkvkYU71ZQ0LjAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"bb883c06b0e9930c289e26a74cc6a1c48ad616e4d82c38d721f843682d41761b","last_reissued_at":"2026-05-18T00:25:06.435907Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:25:06.435907Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1801.08385","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":"2026-05-18T00:25:06Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"EfBrI+O4oLsKaLjEgVKI82e/917qZFSN1ksY0twoV7q+K/GEEwEahMh0hucx44nLbwruMY7nB9UmIKSqOpwNAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-09T14:17:32.535233Z"},"content_sha256":"ff1eea8f748fec5584d566f53014d2e8d93c12d595e8b24426f24c421a6ac716","schema_version":"1.0","event_id":"sha256:ff1eea8f748fec5584d566f53014d2e8d93c12d595e8b24426f24c421a6ac716"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:XOEDYBVQ5GJQYKE6E2TUZRVBYS","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Role of Coherence in Excitation Transfer Efficiency to the Reaction Center in Photosynthetic Bacteria Chlorobium Tepidum","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.bio-ph","authors_text":"Davinder Singh, Shubhrangshu Dasgupta","submitted_at":"2018-01-25T12:54:35Z","abstract_excerpt":"We investigate the effect of coherence to the excitation transfer efficiency (ETE) in photosynthetic bacteria Chlorobium Tepidum. We have modeled the monomer of Fenna-Matthews-Olson (FMO) complex as consisting of eight bacteriochlorophyll-a sites, while explicitly consider reaction center core complex (RCC) as an additional site. With the use of realistic bath spectrum and several dominant vibronic modes in the non-Markovian master equation, in an effective 9-site model, we have compared the ETE for an initial pure state and an initial mixed state. We observe that the initial pure state relaxe"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1801.08385","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":"2026-05-18T00:25:06Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"SHxOdtEZ0Tq3RrhkSwox7KYaoxZW8EBK2P3iG45kD+ElWmfaq8ZqVTPQI6kXCPYK8VKV6vtoE4sPjbilm5y8Ag==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-09T14:17:32.535621Z"},"content_sha256":"36918faa3998869dfa61751723b48af682e9d6cbc8a26add46422f1b0047a187","schema_version":"1.0","event_id":"sha256:36918faa3998869dfa61751723b48af682e9d6cbc8a26add46422f1b0047a187"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/XOEDYBVQ5GJQYKE6E2TUZRVBYS/bundle.json","state_url":"https://pith.science/pith/XOEDYBVQ5GJQYKE6E2TUZRVBYS/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/XOEDYBVQ5GJQYKE6E2TUZRVBYS/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":"2026-06-09T14:17:32Z","links":{"resolver":"https://pith.science/pith/XOEDYBVQ5GJQYKE6E2TUZRVBYS","bundle":"https://pith.science/pith/XOEDYBVQ5GJQYKE6E2TUZRVBYS/bundle.json","state":"https://pith.science/pith/XOEDYBVQ5GJQYKE6E2TUZRVBYS/state.json","well_known_bundle":"https://pith.science/.well-known/pith/XOEDYBVQ5GJQYKE6E2TUZRVBYS/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:XOEDYBVQ5GJQYKE6E2TUZRVBYS","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":"bf437912a8175eaaf9a64bec014ea5347b107d096ad48888fea8e4e8daf67263","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.bio-ph","submitted_at":"2018-01-25T12:54:35Z","title_canon_sha256":"81ca348eecb67e5b193c762a640c10fe8e7e37651387dc5d525442d588bcbbef"},"schema_version":"1.0","source":{"id":"1801.08385","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1801.08385","created_at":"2026-05-18T00:25:06Z"},{"alias_kind":"arxiv_version","alias_value":"1801.08385v1","created_at":"2026-05-18T00:25:06Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1801.08385","created_at":"2026-05-18T00:25:06Z"},{"alias_kind":"pith_short_12","alias_value":"XOEDYBVQ5GJQ","created_at":"2026-05-18T12:33:01Z"},{"alias_kind":"pith_short_16","alias_value":"XOEDYBVQ5GJQYKE6","created_at":"2026-05-18T12:33:01Z"},{"alias_kind":"pith_short_8","alias_value":"XOEDYBVQ","created_at":"2026-05-18T12:33:01Z"}],"graph_snapshots":[{"event_id":"sha256:36918faa3998869dfa61751723b48af682e9d6cbc8a26add46422f1b0047a187","target":"graph","created_at":"2026-05-18T00:25:06Z","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 investigate the effect of coherence to the excitation transfer efficiency (ETE) in photosynthetic bacteria Chlorobium Tepidum. We have modeled the monomer of Fenna-Matthews-Olson (FMO) complex as consisting of eight bacteriochlorophyll-a sites, while explicitly consider reaction center core complex (RCC) as an additional site. With the use of realistic bath spectrum and several dominant vibronic modes in the non-Markovian master equation, in an effective 9-site model, we have compared the ETE for an initial pure state and an initial mixed state. We observe that the initial pure state relaxe","authors_text":"Davinder Singh, Shubhrangshu Dasgupta","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.bio-ph","submitted_at":"2018-01-25T12:54:35Z","title":"Role of Coherence in Excitation Transfer Efficiency to the Reaction Center in Photosynthetic Bacteria Chlorobium Tepidum"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1801.08385","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:ff1eea8f748fec5584d566f53014d2e8d93c12d595e8b24426f24c421a6ac716","target":"record","created_at":"2026-05-18T00:25:06Z","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":"bf437912a8175eaaf9a64bec014ea5347b107d096ad48888fea8e4e8daf67263","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.bio-ph","submitted_at":"2018-01-25T12:54:35Z","title_canon_sha256":"81ca348eecb67e5b193c762a640c10fe8e7e37651387dc5d525442d588bcbbef"},"schema_version":"1.0","source":{"id":"1801.08385","kind":"arxiv","version":1}},"canonical_sha256":"bb883c06b0e9930c289e26a74cc6a1c48ad616e4d82c38d721f843682d41761b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"bb883c06b0e9930c289e26a74cc6a1c48ad616e4d82c38d721f843682d41761b","first_computed_at":"2026-05-18T00:25:06.435907Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:25:06.435907Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Hqyu9+dCjRQLbJg15k76k6HyqLWVQ//PB0x7aeXCwxdLSRnemRnObV7d96gfKC7UNu6qATfXkvkYU71ZQ0LjAA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:25:06.436465Z","signed_message":"canonical_sha256_bytes"},"source_id":"1801.08385","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ff1eea8f748fec5584d566f53014d2e8d93c12d595e8b24426f24c421a6ac716","sha256:36918faa3998869dfa61751723b48af682e9d6cbc8a26add46422f1b0047a187"],"state_sha256":"1eccf0918588c5721caeffc85ea6a661698e76bfe2520cab934107492a709a12"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"3Tu/gwepF57uPITpxpPvsE8up3vMgaqFDCVXeNMFE0cX0viuOLrl7lTYvcdeMXmqtTPJ367xNXFGkE0Y8Fl0Bg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-09T14:17:32.537823Z","bundle_sha256":"054421555f47fc85fb4e5845f7653ad7bf9ca9cfe2146876e92afc79c58b0788"}}