{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:1993:BGO6OLCCUUQF63UU4KJKXKQO6Z","short_pith_number":"pith:BGO6OLCC","canonical_record":{"source":{"id":"cond-mat/9309047","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"cond-mat","submitted_at":"1993-09-28T03:21:33Z","cross_cats_sorted":[],"title_canon_sha256":"f6bea6b931ca9867cfcddf2c46ac9ee8589c409287327635595d58b936bf1532","abstract_canon_sha256":"8e2ea79a4875431c6a23f2008c76a4a79d84c03f6b43a16985070ee5b81b8a3e"},"schema_version":"1.0"},"canonical_sha256":"099de72c42a5205f6e94e292abaa0ef6616656a406ab3b62aea170f7c4da668f","source":{"kind":"arxiv","id":"cond-mat/9309047","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"cond-mat/9309047","created_at":"2026-05-18T01:00:27Z"},{"alias_kind":"arxiv_version","alias_value":"cond-mat/9309047v1","created_at":"2026-05-18T01:00:27Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.cond-mat/9309047","created_at":"2026-05-18T01:00:27Z"},{"alias_kind":"pith_short_12","alias_value":"BGO6OLCCUUQF","created_at":"2026-05-18T12:25:47Z"},{"alias_kind":"pith_short_16","alias_value":"BGO6OLCCUUQF63UU","created_at":"2026-05-18T12:25:47Z"},{"alias_kind":"pith_short_8","alias_value":"BGO6OLCC","created_at":"2026-05-18T12:25:47Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:1993:BGO6OLCCUUQF63UU4KJKXKQO6Z","target":"record","payload":{"canonical_record":{"source":{"id":"cond-mat/9309047","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"cond-mat","submitted_at":"1993-09-28T03:21:33Z","cross_cats_sorted":[],"title_canon_sha256":"f6bea6b931ca9867cfcddf2c46ac9ee8589c409287327635595d58b936bf1532","abstract_canon_sha256":"8e2ea79a4875431c6a23f2008c76a4a79d84c03f6b43a16985070ee5b81b8a3e"},"schema_version":"1.0"},"canonical_sha256":"099de72c42a5205f6e94e292abaa0ef6616656a406ab3b62aea170f7c4da668f","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:00:27.339878Z","signature_b64":"IjLSyucxiBMb84ux9xOLMJx6PH14garkzZLxUyNe7++SV92tkynwJx2+tFQ3iYqGy8KSI3ccApTMxRLwXPalAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"099de72c42a5205f6e94e292abaa0ef6616656a406ab3b62aea170f7c4da668f","last_reissued_at":"2026-05-18T01:00:27.339191Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:00:27.339191Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"cond-mat/9309047","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":"2026-05-18T01:00:27Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"CZrXY9npuIVt2F+8CmyHYprmc8Gh7DlZsEJKfQpOe0vqYCvcsa4+9MzvJa8bisMRkHnX05s9Wk//sevNblqiAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T20:23:06.936860Z"},"content_sha256":"d936b0ba5fc18f07788a18f7e62c460c23a0dd6d986089a585ca10f19882c244","schema_version":"1.0","event_id":"sha256:d936b0ba5fc18f07788a18f7e62c460c23a0dd6d986089a585ca10f19882c244"},{"event_type":"graph_snapshot","subject_pith_number":"pith:1993:BGO6OLCCUUQF63UU4KJKXKQO6Z","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Monte Carlo Renormalization Group Study of the d=1 XXZ Model","license":"","headline":"","cross_cats":[],"primary_cat":"cond-mat","authors_text":"H.G. Evertz, M. Novotny","submitted_at":"1993-09-28T03:21:33Z","abstract_excerpt":"We report current progress on the synthesis of methods to alleviate two major difficulties in implementing a Monte Carlo Renormalization Group (MCRG) for quantum systems. In particular, we have utilized the loop-algorithm to reduce critical slowing down, and we have implemented an MCRG method in which the symmetries of the classical equivalent model need not be fully understood, since the Renormalization Group is given by the Monte Carlo simulation. We report preliminary results obtained when the resulting MCRG method is applied to the d=1 XXZ model. Our results are encouraging. However, since"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"cond-mat/9309047","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":"2026-05-18T01:00:27Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"GMbYCHSVH5Ejr7bqPOQqdusrzY9qsgezxU7f0SmTXCnaD4RGQQxyPOqn/37ab6FcNSL/hEKwRdvyxOZBPXngAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T20:23:06.937515Z"},"content_sha256":"7c714e98be71b5d05418cd443e44c2e9e3c618ef1cbf0f8178c4e464efe82969","schema_version":"1.0","event_id":"sha256:7c714e98be71b5d05418cd443e44c2e9e3c618ef1cbf0f8178c4e464efe82969"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/BGO6OLCCUUQF63UU4KJKXKQO6Z/bundle.json","state_url":"https://pith.science/pith/BGO6OLCCUUQF63UU4KJKXKQO6Z/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/BGO6OLCCUUQF63UU4KJKXKQO6Z/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":"2026-05-26T20:23:06Z","links":{"resolver":"https://pith.science/pith/BGO6OLCCUUQF63UU4KJKXKQO6Z","bundle":"https://pith.science/pith/BGO6OLCCUUQF63UU4KJKXKQO6Z/bundle.json","state":"https://pith.science/pith/BGO6OLCCUUQF63UU4KJKXKQO6Z/state.json","well_known_bundle":"https://pith.science/.well-known/pith/BGO6OLCCUUQF63UU4KJKXKQO6Z/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:1993:BGO6OLCCUUQF63UU4KJKXKQO6Z","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":"8e2ea79a4875431c6a23f2008c76a4a79d84c03f6b43a16985070ee5b81b8a3e","cross_cats_sorted":[],"license":"","primary_cat":"cond-mat","submitted_at":"1993-09-28T03:21:33Z","title_canon_sha256":"f6bea6b931ca9867cfcddf2c46ac9ee8589c409287327635595d58b936bf1532"},"schema_version":"1.0","source":{"id":"cond-mat/9309047","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"cond-mat/9309047","created_at":"2026-05-18T01:00:27Z"},{"alias_kind":"arxiv_version","alias_value":"cond-mat/9309047v1","created_at":"2026-05-18T01:00:27Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.cond-mat/9309047","created_at":"2026-05-18T01:00:27Z"},{"alias_kind":"pith_short_12","alias_value":"BGO6OLCCUUQF","created_at":"2026-05-18T12:25:47Z"},{"alias_kind":"pith_short_16","alias_value":"BGO6OLCCUUQF63UU","created_at":"2026-05-18T12:25:47Z"},{"alias_kind":"pith_short_8","alias_value":"BGO6OLCC","created_at":"2026-05-18T12:25:47Z"}],"graph_snapshots":[{"event_id":"sha256:7c714e98be71b5d05418cd443e44c2e9e3c618ef1cbf0f8178c4e464efe82969","target":"graph","created_at":"2026-05-18T01:00:27Z","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 report current progress on the synthesis of methods to alleviate two major difficulties in implementing a Monte Carlo Renormalization Group (MCRG) for quantum systems. In particular, we have utilized the loop-algorithm to reduce critical slowing down, and we have implemented an MCRG method in which the symmetries of the classical equivalent model need not be fully understood, since the Renormalization Group is given by the Monte Carlo simulation. We report preliminary results obtained when the resulting MCRG method is applied to the d=1 XXZ model. Our results are encouraging. However, since","authors_text":"H.G. Evertz, M. Novotny","cross_cats":[],"headline":"","license":"","primary_cat":"cond-mat","submitted_at":"1993-09-28T03:21:33Z","title":"Monte Carlo Renormalization Group Study of the d=1 XXZ Model"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"cond-mat/9309047","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:d936b0ba5fc18f07788a18f7e62c460c23a0dd6d986089a585ca10f19882c244","target":"record","created_at":"2026-05-18T01:00:27Z","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":"8e2ea79a4875431c6a23f2008c76a4a79d84c03f6b43a16985070ee5b81b8a3e","cross_cats_sorted":[],"license":"","primary_cat":"cond-mat","submitted_at":"1993-09-28T03:21:33Z","title_canon_sha256":"f6bea6b931ca9867cfcddf2c46ac9ee8589c409287327635595d58b936bf1532"},"schema_version":"1.0","source":{"id":"cond-mat/9309047","kind":"arxiv","version":1}},"canonical_sha256":"099de72c42a5205f6e94e292abaa0ef6616656a406ab3b62aea170f7c4da668f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"099de72c42a5205f6e94e292abaa0ef6616656a406ab3b62aea170f7c4da668f","first_computed_at":"2026-05-18T01:00:27.339191Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:00:27.339191Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"IjLSyucxiBMb84ux9xOLMJx6PH14garkzZLxUyNe7++SV92tkynwJx2+tFQ3iYqGy8KSI3ccApTMxRLwXPalAQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:00:27.339878Z","signed_message":"canonical_sha256_bytes"},"source_id":"cond-mat/9309047","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d936b0ba5fc18f07788a18f7e62c460c23a0dd6d986089a585ca10f19882c244","sha256:7c714e98be71b5d05418cd443e44c2e9e3c618ef1cbf0f8178c4e464efe82969"],"state_sha256":"dff0c2f3a7cec952bec25f8027d294959318bc5cf5fea68eecc14b9255397d16"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"j1YZlikLfS4MpaJ6y9iMAUXcjvXKyuqtnz2AlX6aJcOcVPgmNA6nFWUZ7jTV5ngW358LnXC7j5P3L4skhbLBDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T20:23:06.941067Z","bundle_sha256":"b778afaa98f3e46fb4a5925998da63c80fe0152edababe7a166b88efdd88750c"}}