{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:1998:TAHSK2JAIVYALDLGATSDKF5PI5","short_pith_number":"pith:TAHSK2JA","canonical_record":{"source":{"id":"cond-mat/9804183","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"cond-mat","submitted_at":"1998-04-17T08:22:22Z","cross_cats_sorted":[],"title_canon_sha256":"f799b3c58fda4039fc896bbb21260e11c11d8fe7eef07734cc1cada9bd964ce4","abstract_canon_sha256":"4e4671379f0cee6b748bf729ff25312b5fa538e002d657427f1617d62bb8bf86"},"schema_version":"1.0"},"canonical_sha256":"980f2569204570058d6604e43517af4773fc9ee1ddd0c63f6901b48f90134d94","source":{"kind":"arxiv","id":"cond-mat/9804183","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"cond-mat/9804183","created_at":"2026-05-18T01:39:30Z"},{"alias_kind":"arxiv_version","alias_value":"cond-mat/9804183v1","created_at":"2026-05-18T01:39:30Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.cond-mat/9804183","created_at":"2026-05-18T01:39:30Z"},{"alias_kind":"pith_short_12","alias_value":"TAHSK2JAIVYA","created_at":"2026-05-18T12:25:49Z"},{"alias_kind":"pith_short_16","alias_value":"TAHSK2JAIVYALDLG","created_at":"2026-05-18T12:25:49Z"},{"alias_kind":"pith_short_8","alias_value":"TAHSK2JA","created_at":"2026-05-18T12:25:49Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:1998:TAHSK2JAIVYALDLGATSDKF5PI5","target":"record","payload":{"canonical_record":{"source":{"id":"cond-mat/9804183","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"cond-mat","submitted_at":"1998-04-17T08:22:22Z","cross_cats_sorted":[],"title_canon_sha256":"f799b3c58fda4039fc896bbb21260e11c11d8fe7eef07734cc1cada9bd964ce4","abstract_canon_sha256":"4e4671379f0cee6b748bf729ff25312b5fa538e002d657427f1617d62bb8bf86"},"schema_version":"1.0"},"canonical_sha256":"980f2569204570058d6604e43517af4773fc9ee1ddd0c63f6901b48f90134d94","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:39:30.789243Z","signature_b64":"C4yzcnTQONAo3J0iI3E/EcSmZVYRVytHNGBX/yOQ3l20++mcRuHaKH/QWnd52XBQXD/JxndILUk6OSHF7PYqDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"980f2569204570058d6604e43517af4773fc9ee1ddd0c63f6901b48f90134d94","last_reissued_at":"2026-05-18T01:39:30.788744Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:39:30.788744Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"cond-mat/9804183","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":"2026-05-18T01:39:30Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Ev24IZg+CKphCxqD04hJPRFpoveGmYEnp4NKRqfFeoNoVUmTaxRBUMWcrkZ2EFmW05EvgTmH+RwYGwFpl7XxDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-24T09:01:11.487877Z"},"content_sha256":"86b9715839f175666960e872def0c2d973d71e5d50963510c71814cb28edc9bb","schema_version":"1.0","event_id":"sha256:86b9715839f175666960e872def0c2d973d71e5d50963510c71814cb28edc9bb"},{"event_type":"graph_snapshot","subject_pith_number":"pith:1998:TAHSK2JAIVYALDLGATSDKF5PI5","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Specific heat of two-dimensional diluted magnets","license":"","headline":"","cross_cats":[],"primary_cat":"cond-mat","authors_text":"L. N. Shchur, O. A. Vasilyev, W. Selke","submitted_at":"1998-04-17T08:22:22Z","abstract_excerpt":"Using Monte Carlo techniques, the two-dimensional site-diluted Ising model is studied. In particular, properties of the specific heat, its critical behaviour and the emergence of a non-singular maximum above the transition temperature at moderate concentration of defects, are discussed."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"cond-mat/9804183","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":"2026-05-18T01:39:30Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"5TN5ZK/SbczMMK7IsFpFWqRQVS+EBJ0adIs9jGYnqHAEuSeXqQcKsNLtAUKzk/0/gArk3XUDJhfNejAib1J4Cw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-24T09:01:11.488593Z"},"content_sha256":"6dbd158db123190b69bf61bf96afdb0828ddbd8cbe48dfe1e2e952c3c8d7eea6","schema_version":"1.0","event_id":"sha256:6dbd158db123190b69bf61bf96afdb0828ddbd8cbe48dfe1e2e952c3c8d7eea6"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/TAHSK2JAIVYALDLGATSDKF5PI5/bundle.json","state_url":"https://pith.science/pith/TAHSK2JAIVYALDLGATSDKF5PI5/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/TAHSK2JAIVYALDLGATSDKF5PI5/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":"2026-05-24T09:01:11Z","links":{"resolver":"https://pith.science/pith/TAHSK2JAIVYALDLGATSDKF5PI5","bundle":"https://pith.science/pith/TAHSK2JAIVYALDLGATSDKF5PI5/bundle.json","state":"https://pith.science/pith/TAHSK2JAIVYALDLGATSDKF5PI5/state.json","well_known_bundle":"https://pith.science/.well-known/pith/TAHSK2JAIVYALDLGATSDKF5PI5/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:1998:TAHSK2JAIVYALDLGATSDKF5PI5","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":"4e4671379f0cee6b748bf729ff25312b5fa538e002d657427f1617d62bb8bf86","cross_cats_sorted":[],"license":"","primary_cat":"cond-mat","submitted_at":"1998-04-17T08:22:22Z","title_canon_sha256":"f799b3c58fda4039fc896bbb21260e11c11d8fe7eef07734cc1cada9bd964ce4"},"schema_version":"1.0","source":{"id":"cond-mat/9804183","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"cond-mat/9804183","created_at":"2026-05-18T01:39:30Z"},{"alias_kind":"arxiv_version","alias_value":"cond-mat/9804183v1","created_at":"2026-05-18T01:39:30Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.cond-mat/9804183","created_at":"2026-05-18T01:39:30Z"},{"alias_kind":"pith_short_12","alias_value":"TAHSK2JAIVYA","created_at":"2026-05-18T12:25:49Z"},{"alias_kind":"pith_short_16","alias_value":"TAHSK2JAIVYALDLG","created_at":"2026-05-18T12:25:49Z"},{"alias_kind":"pith_short_8","alias_value":"TAHSK2JA","created_at":"2026-05-18T12:25:49Z"}],"graph_snapshots":[{"event_id":"sha256:6dbd158db123190b69bf61bf96afdb0828ddbd8cbe48dfe1e2e952c3c8d7eea6","target":"graph","created_at":"2026-05-18T01:39:30Z","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":"Using Monte Carlo techniques, the two-dimensional site-diluted Ising model is studied. In particular, properties of the specific heat, its critical behaviour and the emergence of a non-singular maximum above the transition temperature at moderate concentration of defects, are discussed.","authors_text":"L. N. Shchur, O. A. Vasilyev, W. Selke","cross_cats":[],"headline":"","license":"","primary_cat":"cond-mat","submitted_at":"1998-04-17T08:22:22Z","title":"Specific heat of two-dimensional diluted magnets"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"cond-mat/9804183","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":"sha256:86b9715839f175666960e872def0c2d973d71e5d50963510c71814cb28edc9bb","target":"record","created_at":"2026-05-18T01:39:30Z","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":"4e4671379f0cee6b748bf729ff25312b5fa538e002d657427f1617d62bb8bf86","cross_cats_sorted":[],"license":"","primary_cat":"cond-mat","submitted_at":"1998-04-17T08:22:22Z","title_canon_sha256":"f799b3c58fda4039fc896bbb21260e11c11d8fe7eef07734cc1cada9bd964ce4"},"schema_version":"1.0","source":{"id":"cond-mat/9804183","kind":"arxiv","version":1}},"canonical_sha256":"980f2569204570058d6604e43517af4773fc9ee1ddd0c63f6901b48f90134d94","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"980f2569204570058d6604e43517af4773fc9ee1ddd0c63f6901b48f90134d94","first_computed_at":"2026-05-18T01:39:30.788744Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:39:30.788744Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"C4yzcnTQONAo3J0iI3E/EcSmZVYRVytHNGBX/yOQ3l20++mcRuHaKH/QWnd52XBQXD/JxndILUk6OSHF7PYqDA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:39:30.789243Z","signed_message":"canonical_sha256_bytes"},"source_id":"cond-mat/9804183","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:86b9715839f175666960e872def0c2d973d71e5d50963510c71814cb28edc9bb","sha256:6dbd158db123190b69bf61bf96afdb0828ddbd8cbe48dfe1e2e952c3c8d7eea6"],"state_sha256":"983c256f95a3aa6b92ad72c101b633466205a598bf593252f6e2eaf8ef5746f1"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"0TXnUeA6VJkX5oAS6ced0GJNs5tdltc/OUEI/Ooa/84NuVyCUl7BKUcIrKnLdYLKD1IwCnfiVNzHHCi4oWXrCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-24T09:01:11.492544Z","bundle_sha256":"4437da827af8d638b2af10fda43eb7348bbd891e59ad5a1dafca69b08b1917f9"}}