{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2009:4EZ7DR6Y3EAHYFRTSU5FY5BRYW","short_pith_number":"pith:4EZ7DR6Y","canonical_record":{"source":{"id":"0911.5161","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2009-11-26T21:57:58Z","cross_cats_sorted":["physics.bio-ph"],"title_canon_sha256":"3a4e59a82874547156b29d0dad075eb8e3d1598bec08e6cc425eb290f4ba6786","abstract_canon_sha256":"a12b0f54fb241a6ba2a88658d7c153967d70a242de74fa3d9146d6bb77d5ed91"},"schema_version":"1.0"},"canonical_sha256":"e133f1c7d8d9007c1633953a5c7431c5b89b02e40f3fca49c221b7c1cc951635","source":{"kind":"arxiv","id":"0911.5161","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0911.5161","created_at":"2026-05-18T02:10:36Z"},{"alias_kind":"arxiv_version","alias_value":"0911.5161v2","created_at":"2026-05-18T02:10:36Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0911.5161","created_at":"2026-05-18T02:10:36Z"},{"alias_kind":"pith_short_12","alias_value":"4EZ7DR6Y3EAH","created_at":"2026-05-18T12:25:58Z"},{"alias_kind":"pith_short_16","alias_value":"4EZ7DR6Y3EAHYFRT","created_at":"2026-05-18T12:25:58Z"},{"alias_kind":"pith_short_8","alias_value":"4EZ7DR6Y","created_at":"2026-05-18T12:25:58Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2009:4EZ7DR6Y3EAHYFRTSU5FY5BRYW","target":"record","payload":{"canonical_record":{"source":{"id":"0911.5161","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2009-11-26T21:57:58Z","cross_cats_sorted":["physics.bio-ph"],"title_canon_sha256":"3a4e59a82874547156b29d0dad075eb8e3d1598bec08e6cc425eb290f4ba6786","abstract_canon_sha256":"a12b0f54fb241a6ba2a88658d7c153967d70a242de74fa3d9146d6bb77d5ed91"},"schema_version":"1.0"},"canonical_sha256":"e133f1c7d8d9007c1633953a5c7431c5b89b02e40f3fca49c221b7c1cc951635","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:10:36.367426Z","signature_b64":"9lQ48exSVX/hm0tAanagdZfHmWqjgLPAG1XN4/8PPrh78YcXouB+wo38aYzl0XtlAvixA1NFwDQwSPc1jb1CCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e133f1c7d8d9007c1633953a5c7431c5b89b02e40f3fca49c221b7c1cc951635","last_reissued_at":"2026-05-18T02:10:36.366744Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:10:36.366744Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0911.5161","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T02:10:36Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"CJitiZ3sUAMlG+n+ppipu6XDyXuHA84rorYui+A79cI7+4utsF8ghaemJt/MGT109TVAD/dVuCscPx+wpduIAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-07T00:14:21.349517Z"},"content_sha256":"6cc47c0b110ec2ec308cfca779ac5e70dc6e61ead82d5a9958d648347b30122c","schema_version":"1.0","event_id":"sha256:6cc47c0b110ec2ec308cfca779ac5e70dc6e61ead82d5a9958d648347b30122c"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2009:4EZ7DR6Y3EAHYFRTSU5FY5BRYW","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Multiple-charge transfer and trapping in DNA dimers","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.bio-ph"],"primary_cat":"cond-mat.str-el","authors_text":"Frithjof B. Anders, Gertrud Zwicknagl, Ralf Bulla, Sabine Tornow","submitted_at":"2009-11-26T21:57:58Z","abstract_excerpt":"We investigate the charge transfer characteristics of one and two excess charges in a DNA base-pair dimer using a model Hamiltonian approach. The electron part comprises diagonal and off-diagonal Coulomb matrix elements such a correlated hopping and the bond-bond interaction, which were recently calculated by Starikov [E. B. Starikov, Phil. Mag. Lett. {\\bf 83}, 699 (2003)] for different DNA dimers. The electronic degrees of freedom are coupled to an ohmic or a super-ohmic bath serving as dissipative environment. We employ the numerical renormalization group method in the nuclear tunneling regi"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0911.5161","kind":"arxiv","version":2},"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":"2026-05-18T02:10:36Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"HhJ7xQdDq+AdvWMItmKhiq/TKFoVQpzifg4hb6Erp9jPPZwLw2qxj19NJl9kwQj0kTU6VLdi2bYlllLMZJloBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-07T00:14:21.349879Z"},"content_sha256":"0a47e0ea160f690ecdd408483f5ed5c690781d8e6d264b4154c6da217e42cd20","schema_version":"1.0","event_id":"sha256:0a47e0ea160f690ecdd408483f5ed5c690781d8e6d264b4154c6da217e42cd20"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/4EZ7DR6Y3EAHYFRTSU5FY5BRYW/bundle.json","state_url":"https://pith.science/pith/4EZ7DR6Y3EAHYFRTSU5FY5BRYW/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/4EZ7DR6Y3EAHYFRTSU5FY5BRYW/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":"2026-06-07T00:14:21Z","links":{"resolver":"https://pith.science/pith/4EZ7DR6Y3EAHYFRTSU5FY5BRYW","bundle":"https://pith.science/pith/4EZ7DR6Y3EAHYFRTSU5FY5BRYW/bundle.json","state":"https://pith.science/pith/4EZ7DR6Y3EAHYFRTSU5FY5BRYW/state.json","well_known_bundle":"https://pith.science/.well-known/pith/4EZ7DR6Y3EAHYFRTSU5FY5BRYW/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2009:4EZ7DR6Y3EAHYFRTSU5FY5BRYW","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":"a12b0f54fb241a6ba2a88658d7c153967d70a242de74fa3d9146d6bb77d5ed91","cross_cats_sorted":["physics.bio-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2009-11-26T21:57:58Z","title_canon_sha256":"3a4e59a82874547156b29d0dad075eb8e3d1598bec08e6cc425eb290f4ba6786"},"schema_version":"1.0","source":{"id":"0911.5161","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0911.5161","created_at":"2026-05-18T02:10:36Z"},{"alias_kind":"arxiv_version","alias_value":"0911.5161v2","created_at":"2026-05-18T02:10:36Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0911.5161","created_at":"2026-05-18T02:10:36Z"},{"alias_kind":"pith_short_12","alias_value":"4EZ7DR6Y3EAH","created_at":"2026-05-18T12:25:58Z"},{"alias_kind":"pith_short_16","alias_value":"4EZ7DR6Y3EAHYFRT","created_at":"2026-05-18T12:25:58Z"},{"alias_kind":"pith_short_8","alias_value":"4EZ7DR6Y","created_at":"2026-05-18T12:25:58Z"}],"graph_snapshots":[{"event_id":"sha256:0a47e0ea160f690ecdd408483f5ed5c690781d8e6d264b4154c6da217e42cd20","target":"graph","created_at":"2026-05-18T02:10:36Z","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 charge transfer characteristics of one and two excess charges in a DNA base-pair dimer using a model Hamiltonian approach. The electron part comprises diagonal and off-diagonal Coulomb matrix elements such a correlated hopping and the bond-bond interaction, which were recently calculated by Starikov [E. B. Starikov, Phil. Mag. Lett. {\\bf 83}, 699 (2003)] for different DNA dimers. The electronic degrees of freedom are coupled to an ohmic or a super-ohmic bath serving as dissipative environment. We employ the numerical renormalization group method in the nuclear tunneling regi","authors_text":"Frithjof B. Anders, Gertrud Zwicknagl, Ralf Bulla, Sabine Tornow","cross_cats":["physics.bio-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2009-11-26T21:57:58Z","title":"Multiple-charge transfer and trapping in DNA dimers"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0911.5161","kind":"arxiv","version":2},"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":"sha256:6cc47c0b110ec2ec308cfca779ac5e70dc6e61ead82d5a9958d648347b30122c","target":"record","created_at":"2026-05-18T02:10:36Z","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":"a12b0f54fb241a6ba2a88658d7c153967d70a242de74fa3d9146d6bb77d5ed91","cross_cats_sorted":["physics.bio-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2009-11-26T21:57:58Z","title_canon_sha256":"3a4e59a82874547156b29d0dad075eb8e3d1598bec08e6cc425eb290f4ba6786"},"schema_version":"1.0","source":{"id":"0911.5161","kind":"arxiv","version":2}},"canonical_sha256":"e133f1c7d8d9007c1633953a5c7431c5b89b02e40f3fca49c221b7c1cc951635","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e133f1c7d8d9007c1633953a5c7431c5b89b02e40f3fca49c221b7c1cc951635","first_computed_at":"2026-05-18T02:10:36.366744Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:10:36.366744Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"9lQ48exSVX/hm0tAanagdZfHmWqjgLPAG1XN4/8PPrh78YcXouB+wo38aYzl0XtlAvixA1NFwDQwSPc1jb1CCA==","signature_status":"signed_v1","signed_at":"2026-05-18T02:10:36.367426Z","signed_message":"canonical_sha256_bytes"},"source_id":"0911.5161","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6cc47c0b110ec2ec308cfca779ac5e70dc6e61ead82d5a9958d648347b30122c","sha256:0a47e0ea160f690ecdd408483f5ed5c690781d8e6d264b4154c6da217e42cd20"],"state_sha256":"7cbca5c7707bcfccac774b352fa21e2c5eae00474d826a67237488f48a7decf0"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ujdxvPNhSc1iN4YOpCyU3zfotfOuDZHVu7xmnj1sdXnXK3A1NfP3NC3vbpNb6YOT4kgK/0tIqckMK68L+AB0DA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-07T00:14:21.351997Z","bundle_sha256":"0dbec39ab69c104a33bc5de1201bb5dcfe3638aeee38d8ec704f3be83bdaabda"}}