{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2010:LC2GIYQDFXA7VOOA2M7IKDPOK3","short_pith_number":"pith:LC2GIYQD","canonical_record":{"source":{"id":"1010.0710","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.stat-mech","submitted_at":"2010-10-04T21:14:39Z","cross_cats_sorted":[],"title_canon_sha256":"d96fef6bcec4bd88c6fda37cd530c3e4e17945f23e6457a25f6d6308575ec4b6","abstract_canon_sha256":"b0d26465d8ac16d5fcd522c997ee0a8390b5352a5578378f7d892abac25b446b"},"schema_version":"1.0"},"canonical_sha256":"58b46462032dc1fab9c0d33e850dee56f2a3b962cefe3a7266efbee3d95fc786","source":{"kind":"arxiv","id":"1010.0710","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1010.0710","created_at":"2026-05-18T02:05:11Z"},{"alias_kind":"arxiv_version","alias_value":"1010.0710v3","created_at":"2026-05-18T02:05:11Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1010.0710","created_at":"2026-05-18T02:05:11Z"},{"alias_kind":"pith_short_12","alias_value":"LC2GIYQDFXA7","created_at":"2026-05-18T12:26:10Z"},{"alias_kind":"pith_short_16","alias_value":"LC2GIYQDFXA7VOOA","created_at":"2026-05-18T12:26:10Z"},{"alias_kind":"pith_short_8","alias_value":"LC2GIYQD","created_at":"2026-05-18T12:26:10Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2010:LC2GIYQDFXA7VOOA2M7IKDPOK3","target":"record","payload":{"canonical_record":{"source":{"id":"1010.0710","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.stat-mech","submitted_at":"2010-10-04T21:14:39Z","cross_cats_sorted":[],"title_canon_sha256":"d96fef6bcec4bd88c6fda37cd530c3e4e17945f23e6457a25f6d6308575ec4b6","abstract_canon_sha256":"b0d26465d8ac16d5fcd522c997ee0a8390b5352a5578378f7d892abac25b446b"},"schema_version":"1.0"},"canonical_sha256":"58b46462032dc1fab9c0d33e850dee56f2a3b962cefe3a7266efbee3d95fc786","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:05:11.617969Z","signature_b64":"sZLz2NshPMVQ5WURwOprHZRbUC4jGligpTehZ2NslrlhlDcZOSWymdm8f9+QozWNkRbJrR5tolwRqsoqXLpZDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"58b46462032dc1fab9c0d33e850dee56f2a3b962cefe3a7266efbee3d95fc786","last_reissued_at":"2026-05-18T02:05:11.617191Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:05:11.617191Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1010.0710","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T02:05:11Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"C+iVaZIKXsZKqHHRvF2lxzwsowXYO5Hj8ir9K2GzOkcsUq+AeOT8cDTaSOd/NwdF5p6MGiac6VIvgBLNoLurDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-11T14:08:49.392169Z"},"content_sha256":"9a2afc3554be9bf3cf9905fc0d65bf74dc6f14bc14d2874bc41b882f804ca054","schema_version":"1.0","event_id":"sha256:9a2afc3554be9bf3cf9905fc0d65bf74dc6f14bc14d2874bc41b882f804ca054"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2010:LC2GIYQDFXA7VOOA2M7IKDPOK3","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Some comments on developments in exact solutions in statistical mechanics since 1944","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.stat-mech","authors_text":"R. J. Baxter","submitted_at":"2010-10-04T21:14:39Z","abstract_excerpt":"Lars Onsager and Bruria Kaufman calculated the partition function of the Ising model exactly in 1944 and 1949. Since then there have been many developments in the exact solution of similar, but usually more complicated, models. Here I shall mention a few, and show how some of the latest work seems to be returning once again to the properties observed by Onsager and Kaufman."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1010.0710","kind":"arxiv","version":3},"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":"2026-05-18T02:05:11Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"JQJ4Nx9ulMIvLHiOxldvH8LrhXe68rI8VMXl6I6L+0AySBNlMlVk6PoEqn6lE/rMa7rLa8BUqwblXSF4qqdRAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-11T14:08:49.392529Z"},"content_sha256":"7cb2627a5dde7b08ded8bea938b30dc8bb4fec7aa8a19a92d57d119c69b7552f","schema_version":"1.0","event_id":"sha256:7cb2627a5dde7b08ded8bea938b30dc8bb4fec7aa8a19a92d57d119c69b7552f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/LC2GIYQDFXA7VOOA2M7IKDPOK3/bundle.json","state_url":"https://pith.science/pith/LC2GIYQDFXA7VOOA2M7IKDPOK3/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/LC2GIYQDFXA7VOOA2M7IKDPOK3/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":"2026-06-11T14:08:49Z","links":{"resolver":"https://pith.science/pith/LC2GIYQDFXA7VOOA2M7IKDPOK3","bundle":"https://pith.science/pith/LC2GIYQDFXA7VOOA2M7IKDPOK3/bundle.json","state":"https://pith.science/pith/LC2GIYQDFXA7VOOA2M7IKDPOK3/state.json","well_known_bundle":"https://pith.science/.well-known/pith/LC2GIYQDFXA7VOOA2M7IKDPOK3/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:LC2GIYQDFXA7VOOA2M7IKDPOK3","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":"b0d26465d8ac16d5fcd522c997ee0a8390b5352a5578378f7d892abac25b446b","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.stat-mech","submitted_at":"2010-10-04T21:14:39Z","title_canon_sha256":"d96fef6bcec4bd88c6fda37cd530c3e4e17945f23e6457a25f6d6308575ec4b6"},"schema_version":"1.0","source":{"id":"1010.0710","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1010.0710","created_at":"2026-05-18T02:05:11Z"},{"alias_kind":"arxiv_version","alias_value":"1010.0710v3","created_at":"2026-05-18T02:05:11Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1010.0710","created_at":"2026-05-18T02:05:11Z"},{"alias_kind":"pith_short_12","alias_value":"LC2GIYQDFXA7","created_at":"2026-05-18T12:26:10Z"},{"alias_kind":"pith_short_16","alias_value":"LC2GIYQDFXA7VOOA","created_at":"2026-05-18T12:26:10Z"},{"alias_kind":"pith_short_8","alias_value":"LC2GIYQD","created_at":"2026-05-18T12:26:10Z"}],"graph_snapshots":[{"event_id":"sha256:7cb2627a5dde7b08ded8bea938b30dc8bb4fec7aa8a19a92d57d119c69b7552f","target":"graph","created_at":"2026-05-18T02:05:11Z","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":"Lars Onsager and Bruria Kaufman calculated the partition function of the Ising model exactly in 1944 and 1949. Since then there have been many developments in the exact solution of similar, but usually more complicated, models. Here I shall mention a few, and show how some of the latest work seems to be returning once again to the properties observed by Onsager and Kaufman.","authors_text":"R. J. Baxter","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.stat-mech","submitted_at":"2010-10-04T21:14:39Z","title":"Some comments on developments in exact solutions in statistical mechanics since 1944"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1010.0710","kind":"arxiv","version":3},"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":"sha256:9a2afc3554be9bf3cf9905fc0d65bf74dc6f14bc14d2874bc41b882f804ca054","target":"record","created_at":"2026-05-18T02:05:11Z","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":"b0d26465d8ac16d5fcd522c997ee0a8390b5352a5578378f7d892abac25b446b","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.stat-mech","submitted_at":"2010-10-04T21:14:39Z","title_canon_sha256":"d96fef6bcec4bd88c6fda37cd530c3e4e17945f23e6457a25f6d6308575ec4b6"},"schema_version":"1.0","source":{"id":"1010.0710","kind":"arxiv","version":3}},"canonical_sha256":"58b46462032dc1fab9c0d33e850dee56f2a3b962cefe3a7266efbee3d95fc786","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"58b46462032dc1fab9c0d33e850dee56f2a3b962cefe3a7266efbee3d95fc786","first_computed_at":"2026-05-18T02:05:11.617191Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:05:11.617191Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"sZLz2NshPMVQ5WURwOprHZRbUC4jGligpTehZ2NslrlhlDcZOSWymdm8f9+QozWNkRbJrR5tolwRqsoqXLpZDg==","signature_status":"signed_v1","signed_at":"2026-05-18T02:05:11.617969Z","signed_message":"canonical_sha256_bytes"},"source_id":"1010.0710","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:9a2afc3554be9bf3cf9905fc0d65bf74dc6f14bc14d2874bc41b882f804ca054","sha256:7cb2627a5dde7b08ded8bea938b30dc8bb4fec7aa8a19a92d57d119c69b7552f"],"state_sha256":"60dc2f1ca2547b0525f47963a7a01cfb905b5b5aa178eef2bda2bab6bac20139"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"kQohcmVF2b3gR2ByigvmNjj1AY15UpL5mOiCbNnGpgAQDbnoicyOZIwzhYgSzbZj9QGGHzzAH+Y6eQA/ntpSCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-11T14:08:49.394417Z","bundle_sha256":"aa9b5710c3c907b1fadd9a96008115e0db029ef282e63a3902f177ea668f24c7"}}