{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:7AMPFW2EREAB3WYNEH3FJZZR4A","short_pith_number":"pith:7AMPFW2E","canonical_record":{"source":{"id":"1209.5846","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.stat-mech","submitted_at":"2012-09-26T07:14:23Z","cross_cats_sorted":["physics.bio-ph"],"title_canon_sha256":"52d752c95a3de50a6191fe65ae64973cd501a62934718c58809a2a4427a13446","abstract_canon_sha256":"418011fe2bf96a196d2fa28e093d7428e43c5a9a7045376ccf5b1639f67a611f"},"schema_version":"1.0"},"canonical_sha256":"f818f2db4489001ddb0d21f654e731e01f408cea23f6fe454be9b17be2251937","source":{"kind":"arxiv","id":"1209.5846","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1209.5846","created_at":"2026-05-18T03:15:34Z"},{"alias_kind":"arxiv_version","alias_value":"1209.5846v2","created_at":"2026-05-18T03:15:34Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1209.5846","created_at":"2026-05-18T03:15:34Z"},{"alias_kind":"pith_short_12","alias_value":"7AMPFW2EREAB","created_at":"2026-05-18T12:26:56Z"},{"alias_kind":"pith_short_16","alias_value":"7AMPFW2EREAB3WYN","created_at":"2026-05-18T12:26:56Z"},{"alias_kind":"pith_short_8","alias_value":"7AMPFW2E","created_at":"2026-05-18T12:26:56Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:7AMPFW2EREAB3WYNEH3FJZZR4A","target":"record","payload":{"canonical_record":{"source":{"id":"1209.5846","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.stat-mech","submitted_at":"2012-09-26T07:14:23Z","cross_cats_sorted":["physics.bio-ph"],"title_canon_sha256":"52d752c95a3de50a6191fe65ae64973cd501a62934718c58809a2a4427a13446","abstract_canon_sha256":"418011fe2bf96a196d2fa28e093d7428e43c5a9a7045376ccf5b1639f67a611f"},"schema_version":"1.0"},"canonical_sha256":"f818f2db4489001ddb0d21f654e731e01f408cea23f6fe454be9b17be2251937","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:15:34.537410Z","signature_b64":"Q0NtaTZH+xAxsBewzr5PS9aUj8DbZzUlTBwyA9hMPydsO/BSXNbKoG8lTgy6lpTjWE0gZLZpCFV5jf5vR7BmBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f818f2db4489001ddb0d21f654e731e01f408cea23f6fe454be9b17be2251937","last_reissued_at":"2026-05-18T03:15:34.536791Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:15:34.536791Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1209.5846","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":"2026-05-18T03:15:34Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"q44ttPYiD61VMJZ1SkxZMwrU4xTANGafGJSbTs6TzzlpUB6hBzCn0tU8i/L/8BmLULamWT70Ah4b9REtTxWWBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-09T09:09:31.413521Z"},"content_sha256":"c95db1b603a743b02ef32b8d6a84330d0851bede0accec98a15a0b2af02ed4f9","schema_version":"1.0","event_id":"sha256:c95db1b603a743b02ef32b8d6a84330d0851bede0accec98a15a0b2af02ed4f9"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:7AMPFW2EREAB3WYNEH3FJZZR4A","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Analytic Partition Function Zeros of the Wako-Saito-Munoz-Eaton beta-hairpin Model","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.bio-ph"],"primary_cat":"cond-mat.stat-mech","authors_text":"Julian Lee","submitted_at":"2012-09-26T07:14:23Z","abstract_excerpt":"An analytic formula for the density of states of Wako-Saito-Munoz-Eaton model, for a simple class of beta-hairpins, is obtained. Under certain simplifying assumptions on the structure of the native contacts and the values of local entropy, the partition function zeros are also obtained in analytic forms. The zeros are uniformly distributed on a circle, exhibiting a first-order-like nature of the folding transition. After introducing hydrophobic core at the central region of the hairpin, the zeros are shown to distribute uniformly on two concentric circles corresponding to the hydrophobic colla"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1209.5846","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":"2026-05-18T03:15:34Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"phIBRTEMZRp46MlSbhWAg/sMre46qT+nQibFQaF9OUEQYbd+88d2RIqfHsD7IU2THgpEIZbaYf6smWPdXuQ4Aw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-09T09:09:31.414213Z"},"content_sha256":"091b9f80ee0c9f5707642e413572ceb98dfa98c1f57f230562994adac78e2e34","schema_version":"1.0","event_id":"sha256:091b9f80ee0c9f5707642e413572ceb98dfa98c1f57f230562994adac78e2e34"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/7AMPFW2EREAB3WYNEH3FJZZR4A/bundle.json","state_url":"https://pith.science/pith/7AMPFW2EREAB3WYNEH3FJZZR4A/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/7AMPFW2EREAB3WYNEH3FJZZR4A/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":"2026-06-09T09:09:31Z","links":{"resolver":"https://pith.science/pith/7AMPFW2EREAB3WYNEH3FJZZR4A","bundle":"https://pith.science/pith/7AMPFW2EREAB3WYNEH3FJZZR4A/bundle.json","state":"https://pith.science/pith/7AMPFW2EREAB3WYNEH3FJZZR4A/state.json","well_known_bundle":"https://pith.science/.well-known/pith/7AMPFW2EREAB3WYNEH3FJZZR4A/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:7AMPFW2EREAB3WYNEH3FJZZR4A","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":"418011fe2bf96a196d2fa28e093d7428e43c5a9a7045376ccf5b1639f67a611f","cross_cats_sorted":["physics.bio-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.stat-mech","submitted_at":"2012-09-26T07:14:23Z","title_canon_sha256":"52d752c95a3de50a6191fe65ae64973cd501a62934718c58809a2a4427a13446"},"schema_version":"1.0","source":{"id":"1209.5846","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1209.5846","created_at":"2026-05-18T03:15:34Z"},{"alias_kind":"arxiv_version","alias_value":"1209.5846v2","created_at":"2026-05-18T03:15:34Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1209.5846","created_at":"2026-05-18T03:15:34Z"},{"alias_kind":"pith_short_12","alias_value":"7AMPFW2EREAB","created_at":"2026-05-18T12:26:56Z"},{"alias_kind":"pith_short_16","alias_value":"7AMPFW2EREAB3WYN","created_at":"2026-05-18T12:26:56Z"},{"alias_kind":"pith_short_8","alias_value":"7AMPFW2E","created_at":"2026-05-18T12:26:56Z"}],"graph_snapshots":[{"event_id":"sha256:091b9f80ee0c9f5707642e413572ceb98dfa98c1f57f230562994adac78e2e34","target":"graph","created_at":"2026-05-18T03:15:34Z","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 analytic formula for the density of states of Wako-Saito-Munoz-Eaton model, for a simple class of beta-hairpins, is obtained. Under certain simplifying assumptions on the structure of the native contacts and the values of local entropy, the partition function zeros are also obtained in analytic forms. The zeros are uniformly distributed on a circle, exhibiting a first-order-like nature of the folding transition. After introducing hydrophobic core at the central region of the hairpin, the zeros are shown to distribute uniformly on two concentric circles corresponding to the hydrophobic colla","authors_text":"Julian Lee","cross_cats":["physics.bio-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.stat-mech","submitted_at":"2012-09-26T07:14:23Z","title":"Analytic Partition Function Zeros of the Wako-Saito-Munoz-Eaton beta-hairpin Model"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1209.5846","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:c95db1b603a743b02ef32b8d6a84330d0851bede0accec98a15a0b2af02ed4f9","target":"record","created_at":"2026-05-18T03:15:34Z","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":"418011fe2bf96a196d2fa28e093d7428e43c5a9a7045376ccf5b1639f67a611f","cross_cats_sorted":["physics.bio-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.stat-mech","submitted_at":"2012-09-26T07:14:23Z","title_canon_sha256":"52d752c95a3de50a6191fe65ae64973cd501a62934718c58809a2a4427a13446"},"schema_version":"1.0","source":{"id":"1209.5846","kind":"arxiv","version":2}},"canonical_sha256":"f818f2db4489001ddb0d21f654e731e01f408cea23f6fe454be9b17be2251937","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f818f2db4489001ddb0d21f654e731e01f408cea23f6fe454be9b17be2251937","first_computed_at":"2026-05-18T03:15:34.536791Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:15:34.536791Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Q0NtaTZH+xAxsBewzr5PS9aUj8DbZzUlTBwyA9hMPydsO/BSXNbKoG8lTgy6lpTjWE0gZLZpCFV5jf5vR7BmBg==","signature_status":"signed_v1","signed_at":"2026-05-18T03:15:34.537410Z","signed_message":"canonical_sha256_bytes"},"source_id":"1209.5846","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c95db1b603a743b02ef32b8d6a84330d0851bede0accec98a15a0b2af02ed4f9","sha256:091b9f80ee0c9f5707642e413572ceb98dfa98c1f57f230562994adac78e2e34"],"state_sha256":"70460ac250a8a931cbf04c2df2205b9341758f5c2680403e27ed5ae4aba1a87e"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"jzjZx6DuuPBqDM4pW9k+fNhaIsvmYzrImQNDyO05jiOLWkldQGNB1tcNKoEG07NrKAGozcCQj7ucoTC856/SDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-09T09:09:31.418292Z","bundle_sha256":"b999fa8a99f4dae5db8453fcc5eb0b398d15f9c08a616df9a72ceff30dba9c5b"}}