{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:7HTUNJSDXCWUR4G7VMSZU45CNQ","short_pith_number":"pith:7HTUNJSD","canonical_record":{"source":{"id":"1105.3757","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.stat-mech","submitted_at":"2011-05-18T22:06:03Z","cross_cats_sorted":["cond-mat.dis-nn"],"title_canon_sha256":"8958c17d1d67f924e5d9957bc54515acafd927b293326f262b787114c2459c92","abstract_canon_sha256":"0fd2dd80bc0cb5c2fabbbb8af1435e3f4be18613ce48855cf4a73545a0ebc4a6"},"schema_version":"1.0"},"canonical_sha256":"f9e746a643b8ad48f0dfab259a73a26c3f7478a97d3559c77c7307cdb8309d09","source":{"kind":"arxiv","id":"1105.3757","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1105.3757","created_at":"2026-05-18T02:01:56Z"},{"alias_kind":"arxiv_version","alias_value":"1105.3757v1","created_at":"2026-05-18T02:01:56Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1105.3757","created_at":"2026-05-18T02:01:56Z"},{"alias_kind":"pith_short_12","alias_value":"7HTUNJSDXCWU","created_at":"2026-05-18T12:26:22Z"},{"alias_kind":"pith_short_16","alias_value":"7HTUNJSDXCWUR4G7","created_at":"2026-05-18T12:26:22Z"},{"alias_kind":"pith_short_8","alias_value":"7HTUNJSD","created_at":"2026-05-18T12:26:22Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:7HTUNJSDXCWUR4G7VMSZU45CNQ","target":"record","payload":{"canonical_record":{"source":{"id":"1105.3757","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.stat-mech","submitted_at":"2011-05-18T22:06:03Z","cross_cats_sorted":["cond-mat.dis-nn"],"title_canon_sha256":"8958c17d1d67f924e5d9957bc54515acafd927b293326f262b787114c2459c92","abstract_canon_sha256":"0fd2dd80bc0cb5c2fabbbb8af1435e3f4be18613ce48855cf4a73545a0ebc4a6"},"schema_version":"1.0"},"canonical_sha256":"f9e746a643b8ad48f0dfab259a73a26c3f7478a97d3559c77c7307cdb8309d09","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:01:56.308419Z","signature_b64":"ag2icW/RVHtW6AOVbmopbwJgesju61jNhy8L5eVf02hWbqAJMpt7o2LltK9FtTo8fPgopQ+aSAcIJ+URQX1BAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f9e746a643b8ad48f0dfab259a73a26c3f7478a97d3559c77c7307cdb8309d09","last_reissued_at":"2026-05-18T02:01:56.307590Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:01:56.307590Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1105.3757","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":"2026-05-18T02:01:56Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"TN4vrCJcMyUTdnLYEJ/odtDv9yfIM4C8BfaqvraA1KefCTB/pl30JW5dPdTgjIyqwsxGvtFLUQFZ9dLIh39JBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-12T01:58:24.964614Z"},"content_sha256":"0a02cd524d90ecdc4115ab0083c97238c0db55223df3881d8c79451fd21726f9","schema_version":"1.0","event_id":"sha256:0a02cd524d90ecdc4115ab0083c97238c0db55223df3881d8c79451fd21726f9"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:7HTUNJSDXCWUR4G7VMSZU45CNQ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Ground-state energy and entropy of the two-dimensional Edwards-Anderson spin-glass model with different bond distributions","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.dis-nn"],"primary_cat":"cond-mat.stat-mech","authors_text":"A. J. Ramirez-Pastor, D. J. Perez-Morelo, F. Roma","submitted_at":"2011-05-18T22:06:03Z","abstract_excerpt":"We study the two-dimensional Edwards-Anderson spin-glass model using a parallel tempering Monte Carlo algorithm. The ground-state energy and entropy are calculated for different bond distributions. In particular, the entropy is obtained by using a thermodynamic integration technique and an appropriate reference state, which is determined with the method of high-temperature expansion. This strategy provide accurate values of this quantity for finite-size lattices. By extrapolating to the thermodynamic limit, the ground-state energy and entropy of the different versions of the spin-glass model a"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1105.3757","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":"2026-05-18T02:01:56Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"k8KLTVMFqeMeDh4QqFvzw/N1VgI2S7RlPDeU4tfDxbq07HB2jemewIoVUdMdDJ3w7Y9hJFy9747VQtnWV8KLBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-12T01:58:24.965467Z"},"content_sha256":"cffd0124cf6be50bec3a2460f0005d5c4f07ac16b10d6ada2d06083c060ecb83","schema_version":"1.0","event_id":"sha256:cffd0124cf6be50bec3a2460f0005d5c4f07ac16b10d6ada2d06083c060ecb83"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/7HTUNJSDXCWUR4G7VMSZU45CNQ/bundle.json","state_url":"https://pith.science/pith/7HTUNJSDXCWUR4G7VMSZU45CNQ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/7HTUNJSDXCWUR4G7VMSZU45CNQ/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":"2026-06-12T01:58:24Z","links":{"resolver":"https://pith.science/pith/7HTUNJSDXCWUR4G7VMSZU45CNQ","bundle":"https://pith.science/pith/7HTUNJSDXCWUR4G7VMSZU45CNQ/bundle.json","state":"https://pith.science/pith/7HTUNJSDXCWUR4G7VMSZU45CNQ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/7HTUNJSDXCWUR4G7VMSZU45CNQ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:7HTUNJSDXCWUR4G7VMSZU45CNQ","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":"0fd2dd80bc0cb5c2fabbbb8af1435e3f4be18613ce48855cf4a73545a0ebc4a6","cross_cats_sorted":["cond-mat.dis-nn"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.stat-mech","submitted_at":"2011-05-18T22:06:03Z","title_canon_sha256":"8958c17d1d67f924e5d9957bc54515acafd927b293326f262b787114c2459c92"},"schema_version":"1.0","source":{"id":"1105.3757","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1105.3757","created_at":"2026-05-18T02:01:56Z"},{"alias_kind":"arxiv_version","alias_value":"1105.3757v1","created_at":"2026-05-18T02:01:56Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1105.3757","created_at":"2026-05-18T02:01:56Z"},{"alias_kind":"pith_short_12","alias_value":"7HTUNJSDXCWU","created_at":"2026-05-18T12:26:22Z"},{"alias_kind":"pith_short_16","alias_value":"7HTUNJSDXCWUR4G7","created_at":"2026-05-18T12:26:22Z"},{"alias_kind":"pith_short_8","alias_value":"7HTUNJSD","created_at":"2026-05-18T12:26:22Z"}],"graph_snapshots":[{"event_id":"sha256:cffd0124cf6be50bec3a2460f0005d5c4f07ac16b10d6ada2d06083c060ecb83","target":"graph","created_at":"2026-05-18T02:01:56Z","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 study the two-dimensional Edwards-Anderson spin-glass model using a parallel tempering Monte Carlo algorithm. The ground-state energy and entropy are calculated for different bond distributions. In particular, the entropy is obtained by using a thermodynamic integration technique and an appropriate reference state, which is determined with the method of high-temperature expansion. This strategy provide accurate values of this quantity for finite-size lattices. By extrapolating to the thermodynamic limit, the ground-state energy and entropy of the different versions of the spin-glass model a","authors_text":"A. J. Ramirez-Pastor, D. J. Perez-Morelo, F. Roma","cross_cats":["cond-mat.dis-nn"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.stat-mech","submitted_at":"2011-05-18T22:06:03Z","title":"Ground-state energy and entropy of the two-dimensional Edwards-Anderson spin-glass model with different bond distributions"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1105.3757","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":"sha256:0a02cd524d90ecdc4115ab0083c97238c0db55223df3881d8c79451fd21726f9","target":"record","created_at":"2026-05-18T02:01:56Z","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":"0fd2dd80bc0cb5c2fabbbb8af1435e3f4be18613ce48855cf4a73545a0ebc4a6","cross_cats_sorted":["cond-mat.dis-nn"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.stat-mech","submitted_at":"2011-05-18T22:06:03Z","title_canon_sha256":"8958c17d1d67f924e5d9957bc54515acafd927b293326f262b787114c2459c92"},"schema_version":"1.0","source":{"id":"1105.3757","kind":"arxiv","version":1}},"canonical_sha256":"f9e746a643b8ad48f0dfab259a73a26c3f7478a97d3559c77c7307cdb8309d09","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f9e746a643b8ad48f0dfab259a73a26c3f7478a97d3559c77c7307cdb8309d09","first_computed_at":"2026-05-18T02:01:56.307590Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:01:56.307590Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ag2icW/RVHtW6AOVbmopbwJgesju61jNhy8L5eVf02hWbqAJMpt7o2LltK9FtTo8fPgopQ+aSAcIJ+URQX1BAg==","signature_status":"signed_v1","signed_at":"2026-05-18T02:01:56.308419Z","signed_message":"canonical_sha256_bytes"},"source_id":"1105.3757","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:0a02cd524d90ecdc4115ab0083c97238c0db55223df3881d8c79451fd21726f9","sha256:cffd0124cf6be50bec3a2460f0005d5c4f07ac16b10d6ada2d06083c060ecb83"],"state_sha256":"e97c7ea7ced72d1e78980f114a639f8177131f595b492ba8e0b2b79478b05a36"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"tlQHqS7E6Lkz5QaVvtpOo5apzaj9HgCPJSdvRzvLlpHRhRZN+zfc7sx3gKZtC0xaL7OQ/hN/Hg4K93RUIR/PAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-12T01:58:24.970391Z","bundle_sha256":"8241dfa9bfc9747144755aa8aabed4dcdfe9438cab700fb2938c8405d16a55fa"}}