{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:1999:3LBJWCGY573QI5UUEDRPH63RDI","short_pith_number":"pith:3LBJWCGY","canonical_record":{"source":{"id":"hep-ex/9907043","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"hep-ex","submitted_at":"1999-07-21T09:34:48Z","cross_cats_sorted":[],"title_canon_sha256":"0c1d4be1dd42aa977e8cb20314472e730c1df4f418d221bb2c5a92627b93fea1","abstract_canon_sha256":"96a071505fcf58778adf2ca24cf3ec1eda534c7806561768a957989f96b3890d"},"schema_version":"1.0"},"canonical_sha256":"dac29b08d8eff704769420e2f3fb711a105e4970decfd0a72dfc635b5886c633","source":{"kind":"arxiv","id":"hep-ex/9907043","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"hep-ex/9907043","created_at":"2026-05-18T03:47:20Z"},{"alias_kind":"arxiv_version","alias_value":"hep-ex/9907043v1","created_at":"2026-05-18T03:47:20Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-ex/9907043","created_at":"2026-05-18T03:47:20Z"},{"alias_kind":"pith_short_12","alias_value":"3LBJWCGY573Q","created_at":"2026-05-18T12:25:49Z"},{"alias_kind":"pith_short_16","alias_value":"3LBJWCGY573QI5UU","created_at":"2026-05-18T12:25:49Z"},{"alias_kind":"pith_short_8","alias_value":"3LBJWCGY","created_at":"2026-05-18T12:25:49Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:1999:3LBJWCGY573QI5UUEDRPH63RDI","target":"record","payload":{"canonical_record":{"source":{"id":"hep-ex/9907043","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"hep-ex","submitted_at":"1999-07-21T09:34:48Z","cross_cats_sorted":[],"title_canon_sha256":"0c1d4be1dd42aa977e8cb20314472e730c1df4f418d221bb2c5a92627b93fea1","abstract_canon_sha256":"96a071505fcf58778adf2ca24cf3ec1eda534c7806561768a957989f96b3890d"},"schema_version":"1.0"},"canonical_sha256":"dac29b08d8eff704769420e2f3fb711a105e4970decfd0a72dfc635b5886c633","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:47:20.964527Z","signature_b64":"4t4eM9ykCmZYN9wWnK4xJ/W2HD1w4XS0/SN1msRg7Se9sXasAvVDRiqryFTQOpoZbbFPs/jD3Dp0Y8+JVxRuDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"dac29b08d8eff704769420e2f3fb711a105e4970decfd0a72dfc635b5886c633","last_reissued_at":"2026-05-18T03:47:20.963983Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:47:20.963983Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"hep-ex/9907043","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":"2026-05-18T03:47:20Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"XJoq5WUxV76h6uY1sARAzlMXyvs2MfVczooqLQQaeHjb+4zCjs2zD9lAQetH4y2gdn6bovdIC6JEwmeqqISxCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-07T09:24:36.323554Z"},"content_sha256":"3f20e8b3237d7b48d153cefab37eeea6708c4dba7b8819aaabcd5cf4d87ffc8b","schema_version":"1.0","event_id":"sha256:3f20e8b3237d7b48d153cefab37eeea6708c4dba7b8819aaabcd5cf4d87ffc8b"},{"event_type":"graph_snapshot","subject_pith_number":"pith:1999:3LBJWCGY573QI5UUEDRPH63RDI","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Determination of the LEP centre-of-mass energy from Zgamma events","license":"","headline":"","cross_cats":[],"primary_cat":"hep-ex","authors_text":"ALEPH Collaboration","submitted_at":"1999-07-21T09:34:48Z","abstract_excerpt":"Radiative returns to the Z resonance (Zgamma events) are used to determine the LEP2 centre-of-mass energy from the data collected with the ALEPH detector in 1997. The average centre-of-mass energy is measured to be:\n  E_CM = 182.50 +- 0.19(stat) +- 0.08(syst) GeV\n in good agreement with the precise determination by the LEP energy working group of 182.652 +- 0.050 GeV. If applied to the measurement of the W mass, its precision translates into a systematic error on M_W which is smaller than the statistical error achieved from the corresponding dataset."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-ex/9907043","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":"2026-05-18T03:47:20Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"y+oSZ6LloiT69n7PsLuijiloqIIbRBrz9m5M8cOQDOGgHhnOAeeNtzGhcgP35ebCsxZ791tI7z+ii6qudzS7CQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-07T09:24:36.324249Z"},"content_sha256":"4d0477feb6c4dbc8ff79213310bcf97d18e9448e55a072c63858e821c8fed8ad","schema_version":"1.0","event_id":"sha256:4d0477feb6c4dbc8ff79213310bcf97d18e9448e55a072c63858e821c8fed8ad"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/3LBJWCGY573QI5UUEDRPH63RDI/bundle.json","state_url":"https://pith.science/pith/3LBJWCGY573QI5UUEDRPH63RDI/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/3LBJWCGY573QI5UUEDRPH63RDI/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":"2026-06-07T09:24:36Z","links":{"resolver":"https://pith.science/pith/3LBJWCGY573QI5UUEDRPH63RDI","bundle":"https://pith.science/pith/3LBJWCGY573QI5UUEDRPH63RDI/bundle.json","state":"https://pith.science/pith/3LBJWCGY573QI5UUEDRPH63RDI/state.json","well_known_bundle":"https://pith.science/.well-known/pith/3LBJWCGY573QI5UUEDRPH63RDI/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:1999:3LBJWCGY573QI5UUEDRPH63RDI","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":"96a071505fcf58778adf2ca24cf3ec1eda534c7806561768a957989f96b3890d","cross_cats_sorted":[],"license":"","primary_cat":"hep-ex","submitted_at":"1999-07-21T09:34:48Z","title_canon_sha256":"0c1d4be1dd42aa977e8cb20314472e730c1df4f418d221bb2c5a92627b93fea1"},"schema_version":"1.0","source":{"id":"hep-ex/9907043","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"hep-ex/9907043","created_at":"2026-05-18T03:47:20Z"},{"alias_kind":"arxiv_version","alias_value":"hep-ex/9907043v1","created_at":"2026-05-18T03:47:20Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-ex/9907043","created_at":"2026-05-18T03:47:20Z"},{"alias_kind":"pith_short_12","alias_value":"3LBJWCGY573Q","created_at":"2026-05-18T12:25:49Z"},{"alias_kind":"pith_short_16","alias_value":"3LBJWCGY573QI5UU","created_at":"2026-05-18T12:25:49Z"},{"alias_kind":"pith_short_8","alias_value":"3LBJWCGY","created_at":"2026-05-18T12:25:49Z"}],"graph_snapshots":[{"event_id":"sha256:4d0477feb6c4dbc8ff79213310bcf97d18e9448e55a072c63858e821c8fed8ad","target":"graph","created_at":"2026-05-18T03:47:20Z","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":"Radiative returns to the Z resonance (Zgamma events) are used to determine the LEP2 centre-of-mass energy from the data collected with the ALEPH detector in 1997. The average centre-of-mass energy is measured to be:\n  E_CM = 182.50 +- 0.19(stat) +- 0.08(syst) GeV\n in good agreement with the precise determination by the LEP energy working group of 182.652 +- 0.050 GeV. If applied to the measurement of the W mass, its precision translates into a systematic error on M_W which is smaller than the statistical error achieved from the corresponding dataset.","authors_text":"ALEPH Collaboration","cross_cats":[],"headline":"","license":"","primary_cat":"hep-ex","submitted_at":"1999-07-21T09:34:48Z","title":"Determination of the LEP centre-of-mass energy from Zgamma events"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-ex/9907043","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":"sha256:3f20e8b3237d7b48d153cefab37eeea6708c4dba7b8819aaabcd5cf4d87ffc8b","target":"record","created_at":"2026-05-18T03:47:20Z","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":"96a071505fcf58778adf2ca24cf3ec1eda534c7806561768a957989f96b3890d","cross_cats_sorted":[],"license":"","primary_cat":"hep-ex","submitted_at":"1999-07-21T09:34:48Z","title_canon_sha256":"0c1d4be1dd42aa977e8cb20314472e730c1df4f418d221bb2c5a92627b93fea1"},"schema_version":"1.0","source":{"id":"hep-ex/9907043","kind":"arxiv","version":1}},"canonical_sha256":"dac29b08d8eff704769420e2f3fb711a105e4970decfd0a72dfc635b5886c633","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"dac29b08d8eff704769420e2f3fb711a105e4970decfd0a72dfc635b5886c633","first_computed_at":"2026-05-18T03:47:20.963983Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:47:20.963983Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"4t4eM9ykCmZYN9wWnK4xJ/W2HD1w4XS0/SN1msRg7Se9sXasAvVDRiqryFTQOpoZbbFPs/jD3Dp0Y8+JVxRuDA==","signature_status":"signed_v1","signed_at":"2026-05-18T03:47:20.964527Z","signed_message":"canonical_sha256_bytes"},"source_id":"hep-ex/9907043","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:3f20e8b3237d7b48d153cefab37eeea6708c4dba7b8819aaabcd5cf4d87ffc8b","sha256:4d0477feb6c4dbc8ff79213310bcf97d18e9448e55a072c63858e821c8fed8ad"],"state_sha256":"350ca7bef33a7a7fa52a993bcb6d65b00626e6c170a4c742ffd4f266c5574a9d"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"QsBxnzORTbKYZJv/OepNHi3jxNvkhbzrXOvIKEu2jwKcN2CeIxyzsaBP55BUCeORChLOkO5SJ5TwZXVgtoZpDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-07T09:24:36.328155Z","bundle_sha256":"44b3b2ee550510c24b7f042b4595c25037df9cac53c20074338fca7b09b18c6a"}}