{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:1995:Q4EHPYOU7DKJHOSUY2X6Q65BWG","short_pith_number":"pith:Q4EHPYOU","canonical_record":{"source":{"id":"cond-mat/9508144","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"cond-mat","submitted_at":"1995-08-31T09:18:35Z","cross_cats_sorted":[],"title_canon_sha256":"2c91342b07c028ef0e35a63d70ddfd86c0113114352419f43b62c07020aa2808","abstract_canon_sha256":"c3e1972f3d40ce8fa0f5c26b01cd27a390543225b705c169aebc875106b6b04e"},"schema_version":"1.0"},"canonical_sha256":"870877e1d4f8d493ba54c6afe87ba1b1b60c0c546a52e31f4ebe9ab75e24f9bf","source":{"kind":"arxiv","id":"cond-mat/9508144","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"cond-mat/9508144","created_at":"2026-05-18T01:07:11Z"},{"alias_kind":"arxiv_version","alias_value":"cond-mat/9508144v1","created_at":"2026-05-18T01:07:11Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.cond-mat/9508144","created_at":"2026-05-18T01:07:11Z"},{"alias_kind":"pith_short_12","alias_value":"Q4EHPYOU7DKJ","created_at":"2026-05-18T12:25:47Z"},{"alias_kind":"pith_short_16","alias_value":"Q4EHPYOU7DKJHOSU","created_at":"2026-05-18T12:25:47Z"},{"alias_kind":"pith_short_8","alias_value":"Q4EHPYOU","created_at":"2026-05-18T12:25:47Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:1995:Q4EHPYOU7DKJHOSUY2X6Q65BWG","target":"record","payload":{"canonical_record":{"source":{"id":"cond-mat/9508144","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"cond-mat","submitted_at":"1995-08-31T09:18:35Z","cross_cats_sorted":[],"title_canon_sha256":"2c91342b07c028ef0e35a63d70ddfd86c0113114352419f43b62c07020aa2808","abstract_canon_sha256":"c3e1972f3d40ce8fa0f5c26b01cd27a390543225b705c169aebc875106b6b04e"},"schema_version":"1.0"},"canonical_sha256":"870877e1d4f8d493ba54c6afe87ba1b1b60c0c546a52e31f4ebe9ab75e24f9bf","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:07:11.215160Z","signature_b64":"g5WtfF8JHPcPkPwfC/SHWaLIRrPiX+mbpS7g3FnG8AErxBRFbxgUvC02S22uew9R+aLKAPLsZ50J2FNctrrWCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"870877e1d4f8d493ba54c6afe87ba1b1b60c0c546a52e31f4ebe9ab75e24f9bf","last_reissued_at":"2026-05-18T01:07:11.214722Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:07:11.214722Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"cond-mat/9508144","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":"2026-05-18T01:07:11Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"DoikRCANS/HHS+5AAjANGjCJcjAm4HmIvQsDfNpObpvlk+5lL5JP1r2gKoWdrPrXb1ZFvVeyrPiI6MLqjIOGBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T19:56:48.857707Z"},"content_sha256":"b8d93b0629186364a7da1edbcb1781a538239b11922567e142888eb933222506","schema_version":"1.0","event_id":"sha256:b8d93b0629186364a7da1edbcb1781a538239b11922567e142888eb933222506"},{"event_type":"graph_snapshot","subject_pith_number":"pith:1995:Q4EHPYOU7DKJHOSUY2X6Q65BWG","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Ground-State Phase Diagrams of the Two-Dimensional Quantum Heisenberg Spin Glass Models","license":"","headline":"","cross_cats":[],"primary_cat":"cond-mat","authors_text":"Tokyo Institute of Technology), Yoshihiko Nonomura, Yukiyasu Ozeki (Department of Physics","submitted_at":"1995-08-31T09:18:35Z","abstract_excerpt":"Ground-state properties of the two-dimensional $S=1/2$ random Heisenberg models are investigated by the exact-diagonalization method. The phase diagram of the bond-random model (the $\\pm J$ model) is the same as that of the corresponding Ising spin glass model, in spite of quantum fluctuation. In the site-random model, the spin glass phase exists at least in the ferro-rich case. In comparison with the corresponding Ising model, the N\\'eel phase of this model becomes much narrower in the ferro-rich case, while it is comparable in the antiferro-rich case.\n KEYWORDS: quantum spin glass, Heisenber"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"cond-mat/9508144","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":"2026-05-18T01:07:11Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"3Y8MpCjAXjVC7pvMcEgM8HQRyJaPVo2MTXMCGfeEtSuwajLpgwmHUJ8hGZLQJgtFcuvPk9CGl21++nytZHd0BQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T19:56:48.858394Z"},"content_sha256":"8dda3c0153a551e875056a6f667aa09b7a668342e1a88719c1fe2212bc1ed15d","schema_version":"1.0","event_id":"sha256:8dda3c0153a551e875056a6f667aa09b7a668342e1a88719c1fe2212bc1ed15d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/Q4EHPYOU7DKJHOSUY2X6Q65BWG/bundle.json","state_url":"https://pith.science/pith/Q4EHPYOU7DKJHOSUY2X6Q65BWG/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/Q4EHPYOU7DKJHOSUY2X6Q65BWG/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":"2026-05-28T19:56:48Z","links":{"resolver":"https://pith.science/pith/Q4EHPYOU7DKJHOSUY2X6Q65BWG","bundle":"https://pith.science/pith/Q4EHPYOU7DKJHOSUY2X6Q65BWG/bundle.json","state":"https://pith.science/pith/Q4EHPYOU7DKJHOSUY2X6Q65BWG/state.json","well_known_bundle":"https://pith.science/.well-known/pith/Q4EHPYOU7DKJHOSUY2X6Q65BWG/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:1995:Q4EHPYOU7DKJHOSUY2X6Q65BWG","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":"c3e1972f3d40ce8fa0f5c26b01cd27a390543225b705c169aebc875106b6b04e","cross_cats_sorted":[],"license":"","primary_cat":"cond-mat","submitted_at":"1995-08-31T09:18:35Z","title_canon_sha256":"2c91342b07c028ef0e35a63d70ddfd86c0113114352419f43b62c07020aa2808"},"schema_version":"1.0","source":{"id":"cond-mat/9508144","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"cond-mat/9508144","created_at":"2026-05-18T01:07:11Z"},{"alias_kind":"arxiv_version","alias_value":"cond-mat/9508144v1","created_at":"2026-05-18T01:07:11Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.cond-mat/9508144","created_at":"2026-05-18T01:07:11Z"},{"alias_kind":"pith_short_12","alias_value":"Q4EHPYOU7DKJ","created_at":"2026-05-18T12:25:47Z"},{"alias_kind":"pith_short_16","alias_value":"Q4EHPYOU7DKJHOSU","created_at":"2026-05-18T12:25:47Z"},{"alias_kind":"pith_short_8","alias_value":"Q4EHPYOU","created_at":"2026-05-18T12:25:47Z"}],"graph_snapshots":[{"event_id":"sha256:8dda3c0153a551e875056a6f667aa09b7a668342e1a88719c1fe2212bc1ed15d","target":"graph","created_at":"2026-05-18T01:07:11Z","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":"Ground-state properties of the two-dimensional $S=1/2$ random Heisenberg models are investigated by the exact-diagonalization method. The phase diagram of the bond-random model (the $\\pm J$ model) is the same as that of the corresponding Ising spin glass model, in spite of quantum fluctuation. In the site-random model, the spin glass phase exists at least in the ferro-rich case. In comparison with the corresponding Ising model, the N\\'eel phase of this model becomes much narrower in the ferro-rich case, while it is comparable in the antiferro-rich case.\n KEYWORDS: quantum spin glass, Heisenber","authors_text":"Tokyo Institute of Technology), Yoshihiko Nonomura, Yukiyasu Ozeki (Department of Physics","cross_cats":[],"headline":"","license":"","primary_cat":"cond-mat","submitted_at":"1995-08-31T09:18:35Z","title":"Ground-State Phase Diagrams of the Two-Dimensional Quantum Heisenberg Spin Glass Models"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"cond-mat/9508144","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:b8d93b0629186364a7da1edbcb1781a538239b11922567e142888eb933222506","target":"record","created_at":"2026-05-18T01:07:11Z","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":"c3e1972f3d40ce8fa0f5c26b01cd27a390543225b705c169aebc875106b6b04e","cross_cats_sorted":[],"license":"","primary_cat":"cond-mat","submitted_at":"1995-08-31T09:18:35Z","title_canon_sha256":"2c91342b07c028ef0e35a63d70ddfd86c0113114352419f43b62c07020aa2808"},"schema_version":"1.0","source":{"id":"cond-mat/9508144","kind":"arxiv","version":1}},"canonical_sha256":"870877e1d4f8d493ba54c6afe87ba1b1b60c0c546a52e31f4ebe9ab75e24f9bf","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"870877e1d4f8d493ba54c6afe87ba1b1b60c0c546a52e31f4ebe9ab75e24f9bf","first_computed_at":"2026-05-18T01:07:11.214722Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:07:11.214722Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"g5WtfF8JHPcPkPwfC/SHWaLIRrPiX+mbpS7g3FnG8AErxBRFbxgUvC02S22uew9R+aLKAPLsZ50J2FNctrrWCA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:07:11.215160Z","signed_message":"canonical_sha256_bytes"},"source_id":"cond-mat/9508144","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b8d93b0629186364a7da1edbcb1781a538239b11922567e142888eb933222506","sha256:8dda3c0153a551e875056a6f667aa09b7a668342e1a88719c1fe2212bc1ed15d"],"state_sha256":"caf5b67512d0fdeac67da58d450f41dbad13def726c719dcd50ad724596011b7"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"v4xoMZ9fVTltsWGlzVNHWjNURUaS6VBe5nSyl8N+yQxZsEiUt60/2KZYceA/cciy2KyMcI3WauRSFKyRm34tCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T19:56:48.862055Z","bundle_sha256":"e0b50bdf8182e40ec548000e0d37baa53357fdac51dd239057fcf04391d5d43a"}}