{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:NVHE7FZQKQ3P2RHH2NLOOXHGKK","short_pith_number":"pith:NVHE7FZQ","canonical_record":{"source":{"id":"1211.2932","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-lat","submitted_at":"2012-11-13T09:44:13Z","cross_cats_sorted":[],"title_canon_sha256":"f6a14a9294f280d77dc794d1dc41acee3fbb515fd3b1b5c34586c6ec7baf6b29","abstract_canon_sha256":"0f68c96aae18648559bd7e778c290e1550efa2579ff2e551f7d66af0c9c532a2"},"schema_version":"1.0"},"canonical_sha256":"6d4e4f97305436fd44e7d356e75ce652b4fd565926a0b4f323285913730f5e8f","source":{"kind":"arxiv","id":"1211.2932","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1211.2932","created_at":"2026-05-18T03:40:52Z"},{"alias_kind":"arxiv_version","alias_value":"1211.2932v1","created_at":"2026-05-18T03:40:52Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1211.2932","created_at":"2026-05-18T03:40:52Z"},{"alias_kind":"pith_short_12","alias_value":"NVHE7FZQKQ3P","created_at":"2026-05-18T12:27:16Z"},{"alias_kind":"pith_short_16","alias_value":"NVHE7FZQKQ3P2RHH","created_at":"2026-05-18T12:27:16Z"},{"alias_kind":"pith_short_8","alias_value":"NVHE7FZQ","created_at":"2026-05-18T12:27:16Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:NVHE7FZQKQ3P2RHH2NLOOXHGKK","target":"record","payload":{"canonical_record":{"source":{"id":"1211.2932","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-lat","submitted_at":"2012-11-13T09:44:13Z","cross_cats_sorted":[],"title_canon_sha256":"f6a14a9294f280d77dc794d1dc41acee3fbb515fd3b1b5c34586c6ec7baf6b29","abstract_canon_sha256":"0f68c96aae18648559bd7e778c290e1550efa2579ff2e551f7d66af0c9c532a2"},"schema_version":"1.0"},"canonical_sha256":"6d4e4f97305436fd44e7d356e75ce652b4fd565926a0b4f323285913730f5e8f","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:40:52.309588Z","signature_b64":"OPm3dsOWvGO7DWzue7qPj1Y1St64r3kTSbrlo76mdxnQnGAnM4UfWjWELe08pJK8Gmijrjv2bZKv/bXUMlQkCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"6d4e4f97305436fd44e7d356e75ce652b4fd565926a0b4f323285913730f5e8f","last_reissued_at":"2026-05-18T03:40:52.308489Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:40:52.308489Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1211.2932","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":"2026-05-18T03:40:52Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"9iSfSo2SE7MPWOj1ff+oqQ23UD2FDW23x4adN0izi2ZMRq5E38CTR0yBKrEDCuPApWOGcJLovYgyIaBVPr1NBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T07:08:19.603054Z"},"content_sha256":"96a49e02ab432cce0927c9dd4f0857824cb94aa3db46208c5e7767cdfcd2dac1","schema_version":"1.0","event_id":"sha256:96a49e02ab432cce0927c9dd4f0857824cb94aa3db46208c5e7767cdfcd2dac1"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:NVHE7FZQKQ3P2RHH2NLOOXHGKK","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Study of theta-Vacua in the 2-d O(3) Model","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-lat","authors_text":"Ferenc Niedermayer, Michael B\\\"ogli, Michele Pepe, Uwe-Jens Wiese","submitted_at":"2012-11-13T09:44:13Z","abstract_excerpt":"We investigate the continuum limit of the step scaling function in the 2-d O(3) model with different theta-vacua. Since we find a different continuum value of the step scaling function for each value of theta, we can conclude that theta indeed is a relevant parameter of the theory and does not get renormalized non-perturbatively. Furthermore, we confirm the result of the conjectured exact S-matrix theory, which predicts the continuum value at theta = pi. To obtain high precision data, we use a modified Hasenbusch improved estimator and an action with an optimized constraint, which has very sma"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1211.2932","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":"2026-05-18T03:40:52Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qX7SeJDkr9/U5pRn889hfCHI9shNwTYTiYK7Dg/3BQeP686+Ia037jAwD1UpNxfpgG1RDMR1810n+7lWIOtrCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T07:08:19.603435Z"},"content_sha256":"a2b659f42b799c077418a6c91dbc61056dcb99f313ed385f7b784ca47f0f2767","schema_version":"1.0","event_id":"sha256:a2b659f42b799c077418a6c91dbc61056dcb99f313ed385f7b784ca47f0f2767"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/NVHE7FZQKQ3P2RHH2NLOOXHGKK/bundle.json","state_url":"https://pith.science/pith/NVHE7FZQKQ3P2RHH2NLOOXHGKK/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/NVHE7FZQKQ3P2RHH2NLOOXHGKK/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":"2026-05-27T07:08:19Z","links":{"resolver":"https://pith.science/pith/NVHE7FZQKQ3P2RHH2NLOOXHGKK","bundle":"https://pith.science/pith/NVHE7FZQKQ3P2RHH2NLOOXHGKK/bundle.json","state":"https://pith.science/pith/NVHE7FZQKQ3P2RHH2NLOOXHGKK/state.json","well_known_bundle":"https://pith.science/.well-known/pith/NVHE7FZQKQ3P2RHH2NLOOXHGKK/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:NVHE7FZQKQ3P2RHH2NLOOXHGKK","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":"0f68c96aae18648559bd7e778c290e1550efa2579ff2e551f7d66af0c9c532a2","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-lat","submitted_at":"2012-11-13T09:44:13Z","title_canon_sha256":"f6a14a9294f280d77dc794d1dc41acee3fbb515fd3b1b5c34586c6ec7baf6b29"},"schema_version":"1.0","source":{"id":"1211.2932","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1211.2932","created_at":"2026-05-18T03:40:52Z"},{"alias_kind":"arxiv_version","alias_value":"1211.2932v1","created_at":"2026-05-18T03:40:52Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1211.2932","created_at":"2026-05-18T03:40:52Z"},{"alias_kind":"pith_short_12","alias_value":"NVHE7FZQKQ3P","created_at":"2026-05-18T12:27:16Z"},{"alias_kind":"pith_short_16","alias_value":"NVHE7FZQKQ3P2RHH","created_at":"2026-05-18T12:27:16Z"},{"alias_kind":"pith_short_8","alias_value":"NVHE7FZQ","created_at":"2026-05-18T12:27:16Z"}],"graph_snapshots":[{"event_id":"sha256:a2b659f42b799c077418a6c91dbc61056dcb99f313ed385f7b784ca47f0f2767","target":"graph","created_at":"2026-05-18T03:40:52Z","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 investigate the continuum limit of the step scaling function in the 2-d O(3) model with different theta-vacua. Since we find a different continuum value of the step scaling function for each value of theta, we can conclude that theta indeed is a relevant parameter of the theory and does not get renormalized non-perturbatively. Furthermore, we confirm the result of the conjectured exact S-matrix theory, which predicts the continuum value at theta = pi. To obtain high precision data, we use a modified Hasenbusch improved estimator and an action with an optimized constraint, which has very sma","authors_text":"Ferenc Niedermayer, Michael B\\\"ogli, Michele Pepe, Uwe-Jens Wiese","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-lat","submitted_at":"2012-11-13T09:44:13Z","title":"Study of theta-Vacua in the 2-d O(3) Model"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1211.2932","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":"sha256:96a49e02ab432cce0927c9dd4f0857824cb94aa3db46208c5e7767cdfcd2dac1","target":"record","created_at":"2026-05-18T03:40:52Z","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":"0f68c96aae18648559bd7e778c290e1550efa2579ff2e551f7d66af0c9c532a2","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-lat","submitted_at":"2012-11-13T09:44:13Z","title_canon_sha256":"f6a14a9294f280d77dc794d1dc41acee3fbb515fd3b1b5c34586c6ec7baf6b29"},"schema_version":"1.0","source":{"id":"1211.2932","kind":"arxiv","version":1}},"canonical_sha256":"6d4e4f97305436fd44e7d356e75ce652b4fd565926a0b4f323285913730f5e8f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"6d4e4f97305436fd44e7d356e75ce652b4fd565926a0b4f323285913730f5e8f","first_computed_at":"2026-05-18T03:40:52.308489Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:40:52.308489Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"OPm3dsOWvGO7DWzue7qPj1Y1St64r3kTSbrlo76mdxnQnGAnM4UfWjWELe08pJK8Gmijrjv2bZKv/bXUMlQkCQ==","signature_status":"signed_v1","signed_at":"2026-05-18T03:40:52.309588Z","signed_message":"canonical_sha256_bytes"},"source_id":"1211.2932","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:96a49e02ab432cce0927c9dd4f0857824cb94aa3db46208c5e7767cdfcd2dac1","sha256:a2b659f42b799c077418a6c91dbc61056dcb99f313ed385f7b784ca47f0f2767"],"state_sha256":"dc24067a65c6e290f4c3059e993bccf873b402706e389b63e4d7303139f1e44b"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"O95dAzzxZ9hV3ebyUnlBxTog3tYJTl6x/DBb49qq+5jMJ6tDsfITABbRALus29wdAUJ6ZQWzrIXN5AjZeEMHBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T07:08:19.606189Z","bundle_sha256":"7ababd0cde86a48753cfe84890f02d3a80a206099de999e55f2f445f95288cc8"}}