{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2009:RUCLOHIEPICJXHMZ6OWD32WFKL","short_pith_number":"pith:RUCLOHIE","canonical_record":{"source":{"id":"0910.0034","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/publicdomain/","primary_cat":"physics.class-ph","submitted_at":"2009-09-30T21:29:30Z","cross_cats_sorted":["physics.bio-ph"],"title_canon_sha256":"c2c8a27cb1c0be76bc25df5a5e9e268f9cb5eda8c1117950d53f680271b0f934","abstract_canon_sha256":"28f6ca78d3ed8a44752ff8d5341add4727b405f5917e2a399cbfcbd6138dd7f5"},"schema_version":"1.0"},"canonical_sha256":"8d04b71d047a049b9d99f3ac3deac552f2e30924ba437e680327b8d70a0b328d","source":{"kind":"arxiv","id":"0910.0034","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0910.0034","created_at":"2026-05-18T03:23:57Z"},{"alias_kind":"arxiv_version","alias_value":"0910.0034v1","created_at":"2026-05-18T03:23:57Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0910.0034","created_at":"2026-05-18T03:23:57Z"},{"alias_kind":"pith_short_12","alias_value":"RUCLOHIEPICJ","created_at":"2026-05-18T12:26:01Z"},{"alias_kind":"pith_short_16","alias_value":"RUCLOHIEPICJXHMZ","created_at":"2026-05-18T12:26:01Z"},{"alias_kind":"pith_short_8","alias_value":"RUCLOHIE","created_at":"2026-05-18T12:26:01Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2009:RUCLOHIEPICJXHMZ6OWD32WFKL","target":"record","payload":{"canonical_record":{"source":{"id":"0910.0034","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/publicdomain/","primary_cat":"physics.class-ph","submitted_at":"2009-09-30T21:29:30Z","cross_cats_sorted":["physics.bio-ph"],"title_canon_sha256":"c2c8a27cb1c0be76bc25df5a5e9e268f9cb5eda8c1117950d53f680271b0f934","abstract_canon_sha256":"28f6ca78d3ed8a44752ff8d5341add4727b405f5917e2a399cbfcbd6138dd7f5"},"schema_version":"1.0"},"canonical_sha256":"8d04b71d047a049b9d99f3ac3deac552f2e30924ba437e680327b8d70a0b328d","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:23:57.461943Z","signature_b64":"axYGfyDx2bM2Nuz55kevs5AyRkImXAKRmnG46M+2WeeAvEDYpCnjc3FGVgQetANMcJ4ryGtteBNzTcacvDJ9CQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"8d04b71d047a049b9d99f3ac3deac552f2e30924ba437e680327b8d70a0b328d","last_reissued_at":"2026-05-18T03:23:57.461302Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:23:57.461302Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0910.0034","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":"2026-05-18T03:23:57Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"VVSMmVkK0lCw6noYwlEVYuxkqwNf/HJULi9HlxBbcHDvIjb0RfUTBoYowON7tvHzKErgHQfAVgxV/T8xR6szAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T11:55:44.007919Z"},"content_sha256":"f767f5836dc49e689ae85c912334526bd30d451650b0f9d0dd43f943baf0aea5","schema_version":"1.0","event_id":"sha256:f767f5836dc49e689ae85c912334526bd30d451650b0f9d0dd43f943baf0aea5"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2009:RUCLOHIEPICJXHMZ6OWD32WFKL","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A simple electrostatic model applicable to biomolecular recognition","license":"http://creativecommons.org/licenses/publicdomain/","headline":"","cross_cats":["physics.bio-ph"],"primary_cat":"physics.class-ph","authors_text":"T. P. Doerr, Yi-Kuo Yu","submitted_at":"2009-09-30T21:29:30Z","abstract_excerpt":"An exact, analytic solution for a simple electrostatic model applicable to biomolecular recognition is presented. In the model, a layer of high dielectric constant material (representative of the solvent, water) whose thickness may vary separates two regions of low dielectric constant material (representative of proteins, DNA, RNA, or similar materials), in each of which is embedded a point charge. For identical charges, the presence of the screening layer always lowers the energy compared to the case of point charges in an infinite medium of low dielectric constant. Somewhat surprisingly, the"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0910.0034","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":"2026-05-18T03:23:57Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"gkZIMsTVZZCknMrCriGaj1sR/sHvEVg8fNrZ31ZETJKaquVk6cjfudDmWTymBeIbtlES9TQgnbLB39sYqtx7AQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T11:55:44.008340Z"},"content_sha256":"beee659d079f43a910f0fa30be0dfa06b708a66eeed293fe41bcc7aded010110","schema_version":"1.0","event_id":"sha256:beee659d079f43a910f0fa30be0dfa06b708a66eeed293fe41bcc7aded010110"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/RUCLOHIEPICJXHMZ6OWD32WFKL/bundle.json","state_url":"https://pith.science/pith/RUCLOHIEPICJXHMZ6OWD32WFKL/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/RUCLOHIEPICJXHMZ6OWD32WFKL/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":"2026-05-27T11:55:44Z","links":{"resolver":"https://pith.science/pith/RUCLOHIEPICJXHMZ6OWD32WFKL","bundle":"https://pith.science/pith/RUCLOHIEPICJXHMZ6OWD32WFKL/bundle.json","state":"https://pith.science/pith/RUCLOHIEPICJXHMZ6OWD32WFKL/state.json","well_known_bundle":"https://pith.science/.well-known/pith/RUCLOHIEPICJXHMZ6OWD32WFKL/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2009:RUCLOHIEPICJXHMZ6OWD32WFKL","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":"28f6ca78d3ed8a44752ff8d5341add4727b405f5917e2a399cbfcbd6138dd7f5","cross_cats_sorted":["physics.bio-ph"],"license":"http://creativecommons.org/licenses/publicdomain/","primary_cat":"physics.class-ph","submitted_at":"2009-09-30T21:29:30Z","title_canon_sha256":"c2c8a27cb1c0be76bc25df5a5e9e268f9cb5eda8c1117950d53f680271b0f934"},"schema_version":"1.0","source":{"id":"0910.0034","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0910.0034","created_at":"2026-05-18T03:23:57Z"},{"alias_kind":"arxiv_version","alias_value":"0910.0034v1","created_at":"2026-05-18T03:23:57Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0910.0034","created_at":"2026-05-18T03:23:57Z"},{"alias_kind":"pith_short_12","alias_value":"RUCLOHIEPICJ","created_at":"2026-05-18T12:26:01Z"},{"alias_kind":"pith_short_16","alias_value":"RUCLOHIEPICJXHMZ","created_at":"2026-05-18T12:26:01Z"},{"alias_kind":"pith_short_8","alias_value":"RUCLOHIE","created_at":"2026-05-18T12:26:01Z"}],"graph_snapshots":[{"event_id":"sha256:beee659d079f43a910f0fa30be0dfa06b708a66eeed293fe41bcc7aded010110","target":"graph","created_at":"2026-05-18T03:23:57Z","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":"An exact, analytic solution for a simple electrostatic model applicable to biomolecular recognition is presented. In the model, a layer of high dielectric constant material (representative of the solvent, water) whose thickness may vary separates two regions of low dielectric constant material (representative of proteins, DNA, RNA, or similar materials), in each of which is embedded a point charge. For identical charges, the presence of the screening layer always lowers the energy compared to the case of point charges in an infinite medium of low dielectric constant. Somewhat surprisingly, the","authors_text":"T. P. Doerr, Yi-Kuo Yu","cross_cats":["physics.bio-ph"],"headline":"","license":"http://creativecommons.org/licenses/publicdomain/","primary_cat":"physics.class-ph","submitted_at":"2009-09-30T21:29:30Z","title":"A simple electrostatic model applicable to biomolecular recognition"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0910.0034","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:f767f5836dc49e689ae85c912334526bd30d451650b0f9d0dd43f943baf0aea5","target":"record","created_at":"2026-05-18T03:23:57Z","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":"28f6ca78d3ed8a44752ff8d5341add4727b405f5917e2a399cbfcbd6138dd7f5","cross_cats_sorted":["physics.bio-ph"],"license":"http://creativecommons.org/licenses/publicdomain/","primary_cat":"physics.class-ph","submitted_at":"2009-09-30T21:29:30Z","title_canon_sha256":"c2c8a27cb1c0be76bc25df5a5e9e268f9cb5eda8c1117950d53f680271b0f934"},"schema_version":"1.0","source":{"id":"0910.0034","kind":"arxiv","version":1}},"canonical_sha256":"8d04b71d047a049b9d99f3ac3deac552f2e30924ba437e680327b8d70a0b328d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"8d04b71d047a049b9d99f3ac3deac552f2e30924ba437e680327b8d70a0b328d","first_computed_at":"2026-05-18T03:23:57.461302Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:23:57.461302Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"axYGfyDx2bM2Nuz55kevs5AyRkImXAKRmnG46M+2WeeAvEDYpCnjc3FGVgQetANMcJ4ryGtteBNzTcacvDJ9CQ==","signature_status":"signed_v1","signed_at":"2026-05-18T03:23:57.461943Z","signed_message":"canonical_sha256_bytes"},"source_id":"0910.0034","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f767f5836dc49e689ae85c912334526bd30d451650b0f9d0dd43f943baf0aea5","sha256:beee659d079f43a910f0fa30be0dfa06b708a66eeed293fe41bcc7aded010110"],"state_sha256":"0170b0ead217c32e1e25e24b74945642313e2f040b1f6b9c60569b5ec3c7cc2f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"QP7Kfo5TFBo/ojtQ1Qwg/68YFSM5bedPqw1FTr6BWLW7oy3+x3S58yi65avPPAZD3i276EhDEbkiVbwawUJzBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T11:55:44.011366Z","bundle_sha256":"ac14f0f6c352a1ad63c9f19fb54dfbca5dda66d9825f3fe1be52e7f684af93fd"}}