{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:T5FQZGVYHREQS2IWESDVRRE7IA","short_pith_number":"pith:T5FQZGVY","canonical_record":{"source":{"id":"1508.02913","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"q-bio.BM","submitted_at":"2015-08-12T13:28:41Z","cross_cats_sorted":[],"title_canon_sha256":"b21b12f6ebb9c0fe80ede853da2759238ae9bb32b4bd355553b7bd7d58624352","abstract_canon_sha256":"254b16256ad4909c6a0c5c15175f937457ed7a45caebe708da9a2fe19b23ea79"},"schema_version":"1.0"},"canonical_sha256":"9f4b0c9ab83c49096916248758c49f4021c26e31510845281c2c5c7f54bd9cf7","source":{"kind":"arxiv","id":"1508.02913","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1508.02913","created_at":"2026-05-18T01:35:23Z"},{"alias_kind":"arxiv_version","alias_value":"1508.02913v1","created_at":"2026-05-18T01:35:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1508.02913","created_at":"2026-05-18T01:35:23Z"},{"alias_kind":"pith_short_12","alias_value":"T5FQZGVYHREQ","created_at":"2026-05-18T12:29:42Z"},{"alias_kind":"pith_short_16","alias_value":"T5FQZGVYHREQS2IW","created_at":"2026-05-18T12:29:42Z"},{"alias_kind":"pith_short_8","alias_value":"T5FQZGVY","created_at":"2026-05-18T12:29:42Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:T5FQZGVYHREQS2IWESDVRRE7IA","target":"record","payload":{"canonical_record":{"source":{"id":"1508.02913","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"q-bio.BM","submitted_at":"2015-08-12T13:28:41Z","cross_cats_sorted":[],"title_canon_sha256":"b21b12f6ebb9c0fe80ede853da2759238ae9bb32b4bd355553b7bd7d58624352","abstract_canon_sha256":"254b16256ad4909c6a0c5c15175f937457ed7a45caebe708da9a2fe19b23ea79"},"schema_version":"1.0"},"canonical_sha256":"9f4b0c9ab83c49096916248758c49f4021c26e31510845281c2c5c7f54bd9cf7","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:35:23.457225Z","signature_b64":"dnNvfc31IQLPwL1OSvW8+FjfiKvJkd3un4B0YdxgvPqhKmcJwFAwi0WRravHQ9XrObZ/i5vETAMhC2FMOEPRAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9f4b0c9ab83c49096916248758c49f4021c26e31510845281c2c5c7f54bd9cf7","last_reissued_at":"2026-05-18T01:35:23.456551Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:35:23.456551Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1508.02913","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":"2026-05-18T01:35:23Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"xVHqd4QhNDKs/14XKEI3/pfidOTljivaT7fYRiKtzRzQVL5v7GpjM73AQxcJVML+pKD6pERYuH3FLt8HtXxABA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-29T19:23:03.662841Z"},"content_sha256":"71997ecc15159fb365d4c0b41595e91c6615128c69df23dc0c61bf5fd9f35ab5","schema_version":"1.0","event_id":"sha256:71997ecc15159fb365d4c0b41595e91c6615128c69df23dc0c61bf5fd9f35ab5"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:T5FQZGVYHREQS2IWESDVRRE7IA","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The Electronic Behavior of Zinc-Finger Protein Binding Sites in the Context of the DNA Extended Ladder Model","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"q-bio.BM","authors_text":"Claudette Cordeiro, Dieter W. Heermann, Nestor Norio Oiwa","submitted_at":"2015-08-12T13:28:41Z","abstract_excerpt":"The eukaryotic Cys2His2 zinc finger proteins bind to DNA ubiquitously at highly conserved domains, responsible for gene regulation and the spatial organization of DNA. To study and understand the zinc finger DNA-protein interaction, we use the extended ladder in the DNA model proposed by Zhu, Rasmussen, Balatsky \\& Bishop (2007) \\cite{Zhu-2007}. Considering one single spinless electron in each nucleotide $\\pi$-orbital along a double DNA chain (dDNA), we find a typical pattern for the {\\color{black} bottom of the occupied molecular orbital (BOMO)}, highest occupied molecular orbital (HOMO) and "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1508.02913","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":"2026-05-18T01:35:23Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"a43CvADbxVXv+Q2awIr3FB+/7plN+a9odNPDbBAQDcaIDT9iFJ47LgyUxRQv68nSlcluNRzzxiJrorHkaHClAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-29T19:23:03.663364Z"},"content_sha256":"6c15b9b6bc2f6c743bc66658145730ad25c4953b445bed41f1a3e4aa0d643c91","schema_version":"1.0","event_id":"sha256:6c15b9b6bc2f6c743bc66658145730ad25c4953b445bed41f1a3e4aa0d643c91"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/T5FQZGVYHREQS2IWESDVRRE7IA/bundle.json","state_url":"https://pith.science/pith/T5FQZGVYHREQS2IWESDVRRE7IA/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/T5FQZGVYHREQS2IWESDVRRE7IA/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":"2026-05-29T19:23:03Z","links":{"resolver":"https://pith.science/pith/T5FQZGVYHREQS2IWESDVRRE7IA","bundle":"https://pith.science/pith/T5FQZGVYHREQS2IWESDVRRE7IA/bundle.json","state":"https://pith.science/pith/T5FQZGVYHREQS2IWESDVRRE7IA/state.json","well_known_bundle":"https://pith.science/.well-known/pith/T5FQZGVYHREQS2IWESDVRRE7IA/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:T5FQZGVYHREQS2IWESDVRRE7IA","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":"254b16256ad4909c6a0c5c15175f937457ed7a45caebe708da9a2fe19b23ea79","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"q-bio.BM","submitted_at":"2015-08-12T13:28:41Z","title_canon_sha256":"b21b12f6ebb9c0fe80ede853da2759238ae9bb32b4bd355553b7bd7d58624352"},"schema_version":"1.0","source":{"id":"1508.02913","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1508.02913","created_at":"2026-05-18T01:35:23Z"},{"alias_kind":"arxiv_version","alias_value":"1508.02913v1","created_at":"2026-05-18T01:35:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1508.02913","created_at":"2026-05-18T01:35:23Z"},{"alias_kind":"pith_short_12","alias_value":"T5FQZGVYHREQ","created_at":"2026-05-18T12:29:42Z"},{"alias_kind":"pith_short_16","alias_value":"T5FQZGVYHREQS2IW","created_at":"2026-05-18T12:29:42Z"},{"alias_kind":"pith_short_8","alias_value":"T5FQZGVY","created_at":"2026-05-18T12:29:42Z"}],"graph_snapshots":[{"event_id":"sha256:6c15b9b6bc2f6c743bc66658145730ad25c4953b445bed41f1a3e4aa0d643c91","target":"graph","created_at":"2026-05-18T01:35:23Z","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 eukaryotic Cys2His2 zinc finger proteins bind to DNA ubiquitously at highly conserved domains, responsible for gene regulation and the spatial organization of DNA. To study and understand the zinc finger DNA-protein interaction, we use the extended ladder in the DNA model proposed by Zhu, Rasmussen, Balatsky \\& Bishop (2007) \\cite{Zhu-2007}. Considering one single spinless electron in each nucleotide $\\pi$-orbital along a double DNA chain (dDNA), we find a typical pattern for the {\\color{black} bottom of the occupied molecular orbital (BOMO)}, highest occupied molecular orbital (HOMO) and ","authors_text":"Claudette Cordeiro, Dieter W. Heermann, Nestor Norio Oiwa","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"q-bio.BM","submitted_at":"2015-08-12T13:28:41Z","title":"The Electronic Behavior of Zinc-Finger Protein Binding Sites in the Context of the DNA Extended Ladder Model"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1508.02913","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":"sha256:71997ecc15159fb365d4c0b41595e91c6615128c69df23dc0c61bf5fd9f35ab5","target":"record","created_at":"2026-05-18T01:35:23Z","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":"254b16256ad4909c6a0c5c15175f937457ed7a45caebe708da9a2fe19b23ea79","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"q-bio.BM","submitted_at":"2015-08-12T13:28:41Z","title_canon_sha256":"b21b12f6ebb9c0fe80ede853da2759238ae9bb32b4bd355553b7bd7d58624352"},"schema_version":"1.0","source":{"id":"1508.02913","kind":"arxiv","version":1}},"canonical_sha256":"9f4b0c9ab83c49096916248758c49f4021c26e31510845281c2c5c7f54bd9cf7","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"9f4b0c9ab83c49096916248758c49f4021c26e31510845281c2c5c7f54bd9cf7","first_computed_at":"2026-05-18T01:35:23.456551Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:35:23.456551Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"dnNvfc31IQLPwL1OSvW8+FjfiKvJkd3un4B0YdxgvPqhKmcJwFAwi0WRravHQ9XrObZ/i5vETAMhC2FMOEPRAw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:35:23.457225Z","signed_message":"canonical_sha256_bytes"},"source_id":"1508.02913","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:71997ecc15159fb365d4c0b41595e91c6615128c69df23dc0c61bf5fd9f35ab5","sha256:6c15b9b6bc2f6c743bc66658145730ad25c4953b445bed41f1a3e4aa0d643c91"],"state_sha256":"6c1cd6a48010a7bcfb5834f2a92dc8f8cc3e10e23277be4fc97e97ee50c0f217"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"1thyaAEY37tWJw+gjXa/Awq7THUYQZHF3IGjQxdifcZ0AqhoJRvCc6or++NHli6PTnK7+o48I1d6QeouUJ4cAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-29T19:23:03.666768Z","bundle_sha256":"a55da78cdb48880e50dc10c0d3623278e882e8016a7bc16de36d2b2492c5a69f"}}