{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2002:ZR47I77QRQRMLXIE3AY6S2TRRP","short_pith_number":"pith:ZR47I77Q","canonical_record":{"source":{"id":"hep-lat/0206023","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"hep-lat","submitted_at":"2002-06-20T17:37:44Z","cross_cats_sorted":[],"title_canon_sha256":"77d9d636ffb2c1be8830e35168b57c57605450bca56599428726ba72c2317968","abstract_canon_sha256":"404a7bb343a672bc956c67dea9533435114baf3f1830b085ea4e79b7b5a6c47b"},"schema_version":"1.0"},"canonical_sha256":"cc79f47ff08c22c5dd04d831e96a718bea8613269767dc5f656643aae756489e","source":{"kind":"arxiv","id":"hep-lat/0206023","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"hep-lat/0206023","created_at":"2026-07-04T16:33:53Z"},{"alias_kind":"arxiv_version","alias_value":"hep-lat/0206023v2","created_at":"2026-07-04T16:33:53Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-lat/0206023","created_at":"2026-07-04T16:33:53Z"},{"alias_kind":"pith_short_12","alias_value":"ZR47I77QRQRM","created_at":"2026-07-04T16:33:53Z"},{"alias_kind":"pith_short_16","alias_value":"ZR47I77QRQRMLXIE","created_at":"2026-07-04T16:33:53Z"},{"alias_kind":"pith_short_8","alias_value":"ZR47I77Q","created_at":"2026-07-04T16:33:53Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2002:ZR47I77QRQRMLXIE3AY6S2TRRP","target":"record","payload":{"canonical_record":{"source":{"id":"hep-lat/0206023","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"hep-lat","submitted_at":"2002-06-20T17:37:44Z","cross_cats_sorted":[],"title_canon_sha256":"77d9d636ffb2c1be8830e35168b57c57605450bca56599428726ba72c2317968","abstract_canon_sha256":"404a7bb343a672bc956c67dea9533435114baf3f1830b085ea4e79b7b5a6c47b"},"schema_version":"1.0"},"canonical_sha256":"cc79f47ff08c22c5dd04d831e96a718bea8613269767dc5f656643aae756489e","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T16:33:53.542372Z","signature_b64":"BPWdu3/4rDx058EE+922CE+BgLzc1dT7PRhvPT9Pwqp1/ZzysPNUlEnlSjBbyXl20tkMmkuU17mJ9kJ9ypFSAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"cc79f47ff08c22c5dd04d831e96a718bea8613269767dc5f656643aae756489e","last_reissued_at":"2026-07-04T16:33:53.541993Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T16:33:53.541993Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"hep-lat/0206023","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-04T16:33:53Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"zJxpSPEyiiTW710zgUR4S/1EMDIDGw7+mfudvHd04xcTUP9Ra/tPmjKTUiw0wXrJoVa3zjv5ugeh3rESj18ECw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T05:28:30.178307Z"},"content_sha256":"c6181e3c111929f5405d5ce3e2a49a446a947b252e4ffef8db4ceb5906821595","schema_version":"1.0","event_id":"sha256:c6181e3c111929f5405d5ce3e2a49a446a947b252e4ffef8db4ceb5906821595"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2002:ZR47I77QRQRMLXIE3AY6S2TRRP","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"f_B and two scales problems in lattice QCD","license":"","headline":"","cross_cats":[],"primary_cat":"hep-lat","authors_text":"F. Palombi, M. Guagnelli, N. Tantalo, R. Petronzio","submitted_at":"2002-06-20T17:37:44Z","abstract_excerpt":"A novel method to calculate f_B on the lattice is introduced, based on the study of the dependence of finite size effects upon the heavy quark mass of flavoured mesons and on a non-perturbative recursive finite size technique. We avoid the systematic errors related to extrapolations from the static limit or to the tuning of the coefficients of effective Lagrangian and the results admit an extrapolation to the continuum limit. We perform a first estimate at finite lattice spacing, but close to the continuum limit, giving f_B = 170(11)(5)(22) MeV. We also obtain f_{B_s} = 192(9)(5)(24) MeV. The "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-lat/0206023","kind":"arxiv","version":2},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/hep-lat/0206023/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-04T16:33:53Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"y9YFnm7ep53te9HyQ+wVZkbnJmFqJHxVSpSt0FBtxCiUSGgfTyslPsFF+B3BNBfLVufKCtWXTc0t58x7ulSlBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T05:28:30.178808Z"},"content_sha256":"e04a3b890cf6111f2d4004517a7616deab099d0f706cdf92f7b91395e7adf57f","schema_version":"1.0","event_id":"sha256:e04a3b890cf6111f2d4004517a7616deab099d0f706cdf92f7b91395e7adf57f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/ZR47I77QRQRMLXIE3AY6S2TRRP/bundle.json","state_url":"https://pith.science/pith/ZR47I77QRQRMLXIE3AY6S2TRRP/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/ZR47I77QRQRMLXIE3AY6S2TRRP/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":"2026-08-06T05:28:30Z","links":{"resolver":"https://pith.science/pith/ZR47I77QRQRMLXIE3AY6S2TRRP","bundle":"https://pith.science/pith/ZR47I77QRQRMLXIE3AY6S2TRRP/bundle.json","state":"https://pith.science/pith/ZR47I77QRQRMLXIE3AY6S2TRRP/state.json","well_known_bundle":"https://pith.science/.well-known/pith/ZR47I77QRQRMLXIE3AY6S2TRRP/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2002:ZR47I77QRQRMLXIE3AY6S2TRRP","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":"404a7bb343a672bc956c67dea9533435114baf3f1830b085ea4e79b7b5a6c47b","cross_cats_sorted":[],"license":"","primary_cat":"hep-lat","submitted_at":"2002-06-20T17:37:44Z","title_canon_sha256":"77d9d636ffb2c1be8830e35168b57c57605450bca56599428726ba72c2317968"},"schema_version":"1.0","source":{"id":"hep-lat/0206023","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"hep-lat/0206023","created_at":"2026-07-04T16:33:53Z"},{"alias_kind":"arxiv_version","alias_value":"hep-lat/0206023v2","created_at":"2026-07-04T16:33:53Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-lat/0206023","created_at":"2026-07-04T16:33:53Z"},{"alias_kind":"pith_short_12","alias_value":"ZR47I77QRQRM","created_at":"2026-07-04T16:33:53Z"},{"alias_kind":"pith_short_16","alias_value":"ZR47I77QRQRMLXIE","created_at":"2026-07-04T16:33:53Z"},{"alias_kind":"pith_short_8","alias_value":"ZR47I77Q","created_at":"2026-07-04T16:33:53Z"}],"graph_snapshots":[{"event_id":"sha256:e04a3b890cf6111f2d4004517a7616deab099d0f706cdf92f7b91395e7adf57f","target":"graph","created_at":"2026-07-04T16:33:53Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/hep-lat/0206023/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"A novel method to calculate f_B on the lattice is introduced, based on the study of the dependence of finite size effects upon the heavy quark mass of flavoured mesons and on a non-perturbative recursive finite size technique. We avoid the systematic errors related to extrapolations from the static limit or to the tuning of the coefficients of effective Lagrangian and the results admit an extrapolation to the continuum limit. We perform a first estimate at finite lattice spacing, but close to the continuum limit, giving f_B = 170(11)(5)(22) MeV. We also obtain f_{B_s} = 192(9)(5)(24) MeV. The ","authors_text":"F. Palombi, M. Guagnelli, N. Tantalo, R. Petronzio","cross_cats":[],"headline":"","license":"","primary_cat":"hep-lat","submitted_at":"2002-06-20T17:37:44Z","title":"f_B and two scales problems in lattice QCD"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-lat/0206023","kind":"arxiv","version":2},"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:c6181e3c111929f5405d5ce3e2a49a446a947b252e4ffef8db4ceb5906821595","target":"record","created_at":"2026-07-04T16:33:53Z","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":"404a7bb343a672bc956c67dea9533435114baf3f1830b085ea4e79b7b5a6c47b","cross_cats_sorted":[],"license":"","primary_cat":"hep-lat","submitted_at":"2002-06-20T17:37:44Z","title_canon_sha256":"77d9d636ffb2c1be8830e35168b57c57605450bca56599428726ba72c2317968"},"schema_version":"1.0","source":{"id":"hep-lat/0206023","kind":"arxiv","version":2}},"canonical_sha256":"cc79f47ff08c22c5dd04d831e96a718bea8613269767dc5f656643aae756489e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"cc79f47ff08c22c5dd04d831e96a718bea8613269767dc5f656643aae756489e","first_computed_at":"2026-07-04T16:33:53.541993Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T16:33:53.541993Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"BPWdu3/4rDx058EE+922CE+BgLzc1dT7PRhvPT9Pwqp1/ZzysPNUlEnlSjBbyXl20tkMmkuU17mJ9kJ9ypFSAg==","signature_status":"signed_v1","signed_at":"2026-07-04T16:33:53.542372Z","signed_message":"canonical_sha256_bytes"},"source_id":"hep-lat/0206023","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c6181e3c111929f5405d5ce3e2a49a446a947b252e4ffef8db4ceb5906821595","sha256:e04a3b890cf6111f2d4004517a7616deab099d0f706cdf92f7b91395e7adf57f"],"state_sha256":"7c3ddcaa3f4d890e541269b409a8788491e129805c50180133a2598381b70e0f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"yZD6G6MoiGQzAIFm2Ms8s2c2L2zycHWxYBhACbQK3l1LiUkvB4TOIwjHy1Yh/VxcWplVcadFGrWyArQTIJRQAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-06T05:28:30.183358Z","bundle_sha256":"06fb1b40b6e7a82f4e0f462fe202368d359ce97d05a0c723a777c4b49c762a86"}}