{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:FNDPRCYBT2JFXOLJ6JK5LM4HKS","short_pith_number":"pith:FNDPRCYB","canonical_record":{"source":{"id":"1807.03459","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.chem-ph","submitted_at":"2018-07-10T03:19:34Z","cross_cats_sorted":[],"title_canon_sha256":"2b7fff00fa59b8479adb9f640bde9f5029bf64c9adaf84063ddcfe7917f6cf52","abstract_canon_sha256":"b19db968488a903510a8187937f995dcc8f878ea0539719e978bc275cc7477d2"},"schema_version":"1.0"},"canonical_sha256":"2b46f88b019e925bb969f255d5b387549ed7fa709cacf2836b523f7f09efd850","source":{"kind":"arxiv","id":"1807.03459","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1807.03459","created_at":"2026-05-17T23:50:27Z"},{"alias_kind":"arxiv_version","alias_value":"1807.03459v1","created_at":"2026-05-17T23:50:27Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1807.03459","created_at":"2026-05-17T23:50:27Z"},{"alias_kind":"pith_short_12","alias_value":"FNDPRCYBT2JF","created_at":"2026-05-18T12:32:25Z"},{"alias_kind":"pith_short_16","alias_value":"FNDPRCYBT2JFXOLJ","created_at":"2026-05-18T12:32:25Z"},{"alias_kind":"pith_short_8","alias_value":"FNDPRCYB","created_at":"2026-05-18T12:32:25Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:FNDPRCYBT2JFXOLJ6JK5LM4HKS","target":"record","payload":{"canonical_record":{"source":{"id":"1807.03459","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.chem-ph","submitted_at":"2018-07-10T03:19:34Z","cross_cats_sorted":[],"title_canon_sha256":"2b7fff00fa59b8479adb9f640bde9f5029bf64c9adaf84063ddcfe7917f6cf52","abstract_canon_sha256":"b19db968488a903510a8187937f995dcc8f878ea0539719e978bc275cc7477d2"},"schema_version":"1.0"},"canonical_sha256":"2b46f88b019e925bb969f255d5b387549ed7fa709cacf2836b523f7f09efd850","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:50:27.655064Z","signature_b64":"Y0aTzXKneOwY9kJCMRkN7XMisBC8Srva5cW066q4wMFbjMNxIbnm9YXZnZIQe9iCemgjBD34OJSkS+/5f9bbDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"2b46f88b019e925bb969f255d5b387549ed7fa709cacf2836b523f7f09efd850","last_reissued_at":"2026-05-17T23:50:27.654424Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:50:27.654424Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1807.03459","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":"2026-05-17T23:50:27Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"X2MOf1Uk5AHOj3xBqZrwoZdTtMXDRirk5HDJ5cTq3E9W6Pjwko1r0cg78yNBsk9QT8fgKQE38/5Hh8HoBNY5AA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-11T02:57:17.876877Z"},"content_sha256":"3647e969819359a5a064ae6baa2dd5bbd64d6913e071fdf743df51f4afa241d9","schema_version":"1.0","event_id":"sha256:3647e969819359a5a064ae6baa2dd5bbd64d6913e071fdf743df51f4afa241d9"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:FNDPRCYBT2JFXOLJ6JK5LM4HKS","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Optimization of energy transport in the Fenna-Matthews-Olson complex via site-varying pigment-protein interactions","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.chem-ph","authors_text":"D. A. W. Hutchinson, D. F. Coker, S. A. Oh","submitted_at":"2018-07-10T03:19:34Z","abstract_excerpt":"Energy transport in photosynthetic systems can be tremendously efficient. In particular we study exciton transport in the Fenna-Mathews-Olsen (FMO) complex found in green sulphur bacteria. The exciton dynamics and energy transfer efficiency is dependent upon the interaction with the system environment. Based upon realistic, site-dependent, models of the system-bath coupling, we show that this interaction is highly optimised in the case of FMO. Furthermore we identify two transport pathways and note that one is dominated by coherent dynamics and the other by classical energy dissipation. In par"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1807.03459","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":"2026-05-17T23:50:27Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+MnQ8IgIMD88mISWZgSUWey4bm9MGHGFNFnCjpxROtSOZ7Oo8OLo/uRxrBaHoWwnzqxGqbkFoPLt+VMQ31ZDBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-11T02:57:17.877621Z"},"content_sha256":"a6dd541946e99ce017c0f44a4a493889356492c718b15b5a4d07270c86b5601e","schema_version":"1.0","event_id":"sha256:a6dd541946e99ce017c0f44a4a493889356492c718b15b5a4d07270c86b5601e"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/FNDPRCYBT2JFXOLJ6JK5LM4HKS/bundle.json","state_url":"https://pith.science/pith/FNDPRCYBT2JFXOLJ6JK5LM4HKS/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/FNDPRCYBT2JFXOLJ6JK5LM4HKS/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":"2026-06-11T02:57:17Z","links":{"resolver":"https://pith.science/pith/FNDPRCYBT2JFXOLJ6JK5LM4HKS","bundle":"https://pith.science/pith/FNDPRCYBT2JFXOLJ6JK5LM4HKS/bundle.json","state":"https://pith.science/pith/FNDPRCYBT2JFXOLJ6JK5LM4HKS/state.json","well_known_bundle":"https://pith.science/.well-known/pith/FNDPRCYBT2JFXOLJ6JK5LM4HKS/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:FNDPRCYBT2JFXOLJ6JK5LM4HKS","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":"b19db968488a903510a8187937f995dcc8f878ea0539719e978bc275cc7477d2","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.chem-ph","submitted_at":"2018-07-10T03:19:34Z","title_canon_sha256":"2b7fff00fa59b8479adb9f640bde9f5029bf64c9adaf84063ddcfe7917f6cf52"},"schema_version":"1.0","source":{"id":"1807.03459","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1807.03459","created_at":"2026-05-17T23:50:27Z"},{"alias_kind":"arxiv_version","alias_value":"1807.03459v1","created_at":"2026-05-17T23:50:27Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1807.03459","created_at":"2026-05-17T23:50:27Z"},{"alias_kind":"pith_short_12","alias_value":"FNDPRCYBT2JF","created_at":"2026-05-18T12:32:25Z"},{"alias_kind":"pith_short_16","alias_value":"FNDPRCYBT2JFXOLJ","created_at":"2026-05-18T12:32:25Z"},{"alias_kind":"pith_short_8","alias_value":"FNDPRCYB","created_at":"2026-05-18T12:32:25Z"}],"graph_snapshots":[{"event_id":"sha256:a6dd541946e99ce017c0f44a4a493889356492c718b15b5a4d07270c86b5601e","target":"graph","created_at":"2026-05-17T23:50:27Z","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":"Energy transport in photosynthetic systems can be tremendously efficient. In particular we study exciton transport in the Fenna-Mathews-Olsen (FMO) complex found in green sulphur bacteria. The exciton dynamics and energy transfer efficiency is dependent upon the interaction with the system environment. Based upon realistic, site-dependent, models of the system-bath coupling, we show that this interaction is highly optimised in the case of FMO. Furthermore we identify two transport pathways and note that one is dominated by coherent dynamics and the other by classical energy dissipation. In par","authors_text":"D. A. W. Hutchinson, D. F. Coker, S. A. Oh","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.chem-ph","submitted_at":"2018-07-10T03:19:34Z","title":"Optimization of energy transport in the Fenna-Matthews-Olson complex via site-varying pigment-protein interactions"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1807.03459","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":"sha256:3647e969819359a5a064ae6baa2dd5bbd64d6913e071fdf743df51f4afa241d9","target":"record","created_at":"2026-05-17T23:50:27Z","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":"b19db968488a903510a8187937f995dcc8f878ea0539719e978bc275cc7477d2","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.chem-ph","submitted_at":"2018-07-10T03:19:34Z","title_canon_sha256":"2b7fff00fa59b8479adb9f640bde9f5029bf64c9adaf84063ddcfe7917f6cf52"},"schema_version":"1.0","source":{"id":"1807.03459","kind":"arxiv","version":1}},"canonical_sha256":"2b46f88b019e925bb969f255d5b387549ed7fa709cacf2836b523f7f09efd850","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"2b46f88b019e925bb969f255d5b387549ed7fa709cacf2836b523f7f09efd850","first_computed_at":"2026-05-17T23:50:27.654424Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:50:27.654424Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Y0aTzXKneOwY9kJCMRkN7XMisBC8Srva5cW066q4wMFbjMNxIbnm9YXZnZIQe9iCemgjBD34OJSkS+/5f9bbDA==","signature_status":"signed_v1","signed_at":"2026-05-17T23:50:27.655064Z","signed_message":"canonical_sha256_bytes"},"source_id":"1807.03459","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:3647e969819359a5a064ae6baa2dd5bbd64d6913e071fdf743df51f4afa241d9","sha256:a6dd541946e99ce017c0f44a4a493889356492c718b15b5a4d07270c86b5601e"],"state_sha256":"4596f518841e537a1f8f2039db1e20a0f302e95cadf1e17c650e9e1dfcaf8a60"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"d+Eg8UGfjjM100fMyajemtPJu5K8cqoCYQNq+6jK8dOzwQo0YCV5VLIES4QVlHY939I/t2vO/x6lse0MRRBeCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-11T02:57:17.881672Z","bundle_sha256":"6520732024403efe0bab14334a8063f07b4393ed55832b447776daaa375a206e"}}