{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2010:X3WT6QOUUJKO4IEEYCEMJLY6U7","short_pith_number":"pith:X3WT6QOU","canonical_record":{"source":{"id":"1010.1984","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.bio-ph","submitted_at":"2010-10-11T01:40:46Z","cross_cats_sorted":["physics.chem-ph"],"title_canon_sha256":"1001df1627ee5ee3ddd32d8821583b9675682564b424e809721c667b5e936b16","abstract_canon_sha256":"92857130be0255bf47d2a1b5faffceea0d0cbea39ce3cd9e3e9652d09faab621"},"schema_version":"1.0"},"canonical_sha256":"beed3f41d4a254ee2084c088c4af1ea7dea629fb140f9374ac1bbc63b5cc4ca3","source":{"kind":"arxiv","id":"1010.1984","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1010.1984","created_at":"2026-05-18T02:05:06Z"},{"alias_kind":"arxiv_version","alias_value":"1010.1984v1","created_at":"2026-05-18T02:05:06Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1010.1984","created_at":"2026-05-18T02:05:06Z"},{"alias_kind":"pith_short_12","alias_value":"X3WT6QOUUJKO","created_at":"2026-05-18T12:26:17Z"},{"alias_kind":"pith_short_16","alias_value":"X3WT6QOUUJKO4IEE","created_at":"2026-05-18T12:26:17Z"},{"alias_kind":"pith_short_8","alias_value":"X3WT6QOU","created_at":"2026-05-18T12:26:17Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2010:X3WT6QOUUJKO4IEEYCEMJLY6U7","target":"record","payload":{"canonical_record":{"source":{"id":"1010.1984","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.bio-ph","submitted_at":"2010-10-11T01:40:46Z","cross_cats_sorted":["physics.chem-ph"],"title_canon_sha256":"1001df1627ee5ee3ddd32d8821583b9675682564b424e809721c667b5e936b16","abstract_canon_sha256":"92857130be0255bf47d2a1b5faffceea0d0cbea39ce3cd9e3e9652d09faab621"},"schema_version":"1.0"},"canonical_sha256":"beed3f41d4a254ee2084c088c4af1ea7dea629fb140f9374ac1bbc63b5cc4ca3","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:05:06.967886Z","signature_b64":"k4Gcixx5u0ZnGZKoVI9n3Z2b4OBJRlyV50SaarxCqn26+n83Tmty4O5RLlXEP5PYpFolelj8I2L3aiPCPwICDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"beed3f41d4a254ee2084c088c4af1ea7dea629fb140f9374ac1bbc63b5cc4ca3","last_reissued_at":"2026-05-18T02:05:06.967028Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:05:06.967028Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1010.1984","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":"2026-05-18T02:05:06Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Syi7KtRzamvd6MNALAnHqwmMSl+BKwGVjk988o7uJQk2LFonPiOq6YPk3vO9xrezzRYnmLFe8zaSdG1/G7R1Dg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T01:02:00.825206Z"},"content_sha256":"33a196edd36c13f93872a1e07656425a7a31f7278f41546297b4d68ef3b529b5","schema_version":"1.0","event_id":"sha256:33a196edd36c13f93872a1e07656425a7a31f7278f41546297b4d68ef3b529b5"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2010:X3WT6QOUUJKO4IEEYCEMJLY6U7","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Artificial photosynthetic reaction centers coupled to light-harvesting antennas","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.chem-ph"],"primary_cat":"physics.bio-ph","authors_text":"Anatoly Yu. Smirnov, Franco Nori, Pulak Kumar Ghosh","submitted_at":"2010-10-11T01:40:46Z","abstract_excerpt":"We analyze a theoretical model for energy and electron transfer in an artificial photosynthetic system. The photosystem consists of a molecular triad (i.e., with a donor, a photosensitive unit, and an acceptor) coupled to four accessory light-harvesting antennas pigments. The excitation energy transfer from the antennas to the artificial reaction center (the molecular triad) is here described by the F\\\"{o}rster mechanism. We consider two different kinds of arrangements of the accessory light-harvesting pigments around the reaction center. The first arrangement allows direct excitation transfer"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1010.1984","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":"2026-05-18T02:05:06Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"NRG5mZ2eVkUt/XPPGeyP22bLgPGM/x5fx3AU9aEZYES2E5dwUJ8u/SQ49kKXoy+pJ54OsGrLLPdQre+QcWF0Ag==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T01:02:00.825862Z"},"content_sha256":"e0006e43ec9af01620d94f979450d6e580bf7ae68d4feb2bc4537e5c9d53d9e0","schema_version":"1.0","event_id":"sha256:e0006e43ec9af01620d94f979450d6e580bf7ae68d4feb2bc4537e5c9d53d9e0"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/X3WT6QOUUJKO4IEEYCEMJLY6U7/bundle.json","state_url":"https://pith.science/pith/X3WT6QOUUJKO4IEEYCEMJLY6U7/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/X3WT6QOUUJKO4IEEYCEMJLY6U7/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":"2026-06-05T01:02:00Z","links":{"resolver":"https://pith.science/pith/X3WT6QOUUJKO4IEEYCEMJLY6U7","bundle":"https://pith.science/pith/X3WT6QOUUJKO4IEEYCEMJLY6U7/bundle.json","state":"https://pith.science/pith/X3WT6QOUUJKO4IEEYCEMJLY6U7/state.json","well_known_bundle":"https://pith.science/.well-known/pith/X3WT6QOUUJKO4IEEYCEMJLY6U7/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:X3WT6QOUUJKO4IEEYCEMJLY6U7","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":"92857130be0255bf47d2a1b5faffceea0d0cbea39ce3cd9e3e9652d09faab621","cross_cats_sorted":["physics.chem-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.bio-ph","submitted_at":"2010-10-11T01:40:46Z","title_canon_sha256":"1001df1627ee5ee3ddd32d8821583b9675682564b424e809721c667b5e936b16"},"schema_version":"1.0","source":{"id":"1010.1984","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1010.1984","created_at":"2026-05-18T02:05:06Z"},{"alias_kind":"arxiv_version","alias_value":"1010.1984v1","created_at":"2026-05-18T02:05:06Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1010.1984","created_at":"2026-05-18T02:05:06Z"},{"alias_kind":"pith_short_12","alias_value":"X3WT6QOUUJKO","created_at":"2026-05-18T12:26:17Z"},{"alias_kind":"pith_short_16","alias_value":"X3WT6QOUUJKO4IEE","created_at":"2026-05-18T12:26:17Z"},{"alias_kind":"pith_short_8","alias_value":"X3WT6QOU","created_at":"2026-05-18T12:26:17Z"}],"graph_snapshots":[{"event_id":"sha256:e0006e43ec9af01620d94f979450d6e580bf7ae68d4feb2bc4537e5c9d53d9e0","target":"graph","created_at":"2026-05-18T02:05:06Z","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 analyze a theoretical model for energy and electron transfer in an artificial photosynthetic system. The photosystem consists of a molecular triad (i.e., with a donor, a photosensitive unit, and an acceptor) coupled to four accessory light-harvesting antennas pigments. The excitation energy transfer from the antennas to the artificial reaction center (the molecular triad) is here described by the F\\\"{o}rster mechanism. We consider two different kinds of arrangements of the accessory light-harvesting pigments around the reaction center. The first arrangement allows direct excitation transfer","authors_text":"Anatoly Yu. Smirnov, Franco Nori, Pulak Kumar Ghosh","cross_cats":["physics.chem-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.bio-ph","submitted_at":"2010-10-11T01:40:46Z","title":"Artificial photosynthetic reaction centers coupled to light-harvesting antennas"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1010.1984","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":"sha256:33a196edd36c13f93872a1e07656425a7a31f7278f41546297b4d68ef3b529b5","target":"record","created_at":"2026-05-18T02:05:06Z","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":"92857130be0255bf47d2a1b5faffceea0d0cbea39ce3cd9e3e9652d09faab621","cross_cats_sorted":["physics.chem-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.bio-ph","submitted_at":"2010-10-11T01:40:46Z","title_canon_sha256":"1001df1627ee5ee3ddd32d8821583b9675682564b424e809721c667b5e936b16"},"schema_version":"1.0","source":{"id":"1010.1984","kind":"arxiv","version":1}},"canonical_sha256":"beed3f41d4a254ee2084c088c4af1ea7dea629fb140f9374ac1bbc63b5cc4ca3","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"beed3f41d4a254ee2084c088c4af1ea7dea629fb140f9374ac1bbc63b5cc4ca3","first_computed_at":"2026-05-18T02:05:06.967028Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:05:06.967028Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"k4Gcixx5u0ZnGZKoVI9n3Z2b4OBJRlyV50SaarxCqn26+n83Tmty4O5RLlXEP5PYpFolelj8I2L3aiPCPwICDw==","signature_status":"signed_v1","signed_at":"2026-05-18T02:05:06.967886Z","signed_message":"canonical_sha256_bytes"},"source_id":"1010.1984","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:33a196edd36c13f93872a1e07656425a7a31f7278f41546297b4d68ef3b529b5","sha256:e0006e43ec9af01620d94f979450d6e580bf7ae68d4feb2bc4537e5c9d53d9e0"],"state_sha256":"04307ae7139e252c643cf09b67fbb33465faa4dd87138af66c2e6eee1a77c460"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"O1bR6n6PIdsaQvoSK7bH1G+HBzHxroy/d6wt02GDLPhjCOtxWj+44olZOS0+IWE46TTfJ9g+OmzZgBjsT/xtBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-05T01:02:00.828444Z","bundle_sha256":"bed8c6cc55233a4da16e0290e8ad32d4a0d430fcafe15e1fbcff597ad2ade3fb"}}