{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2021:6VAHOZQELMVESSLMEQ25LWPZDP","short_pith_number":"pith:6VAHOZQE","canonical_record":{"source":{"id":"2107.00616","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-ex","submitted_at":"2021-07-01T17:11:30Z","cross_cats_sorted":["hep-ph"],"title_canon_sha256":"768a581acf78b6596345625d32b28d67c08a10e7ac4e560fade77e4e0e8bdc4c","abstract_canon_sha256":"49c5efc941367050c0bac0c17b59a6e152675a05a2c4a03a6428c5e006a3a638"},"schema_version":"1.0"},"canonical_sha256":"f5407766045b2a49496c2435d5d9f91becc0ee46e3c7562ae54ae6105b5000d0","source":{"kind":"arxiv","id":"2107.00616","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2107.00616","created_at":"2026-07-05T03:07:29Z"},{"alias_kind":"arxiv_version","alias_value":"2107.00616v1","created_at":"2026-07-05T03:07:29Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2107.00616","created_at":"2026-07-05T03:07:29Z"},{"alias_kind":"pith_short_12","alias_value":"6VAHOZQELMVE","created_at":"2026-07-05T03:07:29Z"},{"alias_kind":"pith_short_16","alias_value":"6VAHOZQELMVESSLM","created_at":"2026-07-05T03:07:29Z"},{"alias_kind":"pith_short_8","alias_value":"6VAHOZQE","created_at":"2026-07-05T03:07:29Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2021:6VAHOZQELMVESSLMEQ25LWPZDP","target":"record","payload":{"canonical_record":{"source":{"id":"2107.00616","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-ex","submitted_at":"2021-07-01T17:11:30Z","cross_cats_sorted":["hep-ph"],"title_canon_sha256":"768a581acf78b6596345625d32b28d67c08a10e7ac4e560fade77e4e0e8bdc4c","abstract_canon_sha256":"49c5efc941367050c0bac0c17b59a6e152675a05a2c4a03a6428c5e006a3a638"},"schema_version":"1.0"},"canonical_sha256":"f5407766045b2a49496c2435d5d9f91becc0ee46e3c7562ae54ae6105b5000d0","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T03:07:29.222442Z","signature_b64":"fQAfJVIVvOVyBUrSZCTUeGAHsaavpePnF8icX+AlPcnUC9jm3KHHna2mTkuX7idP/3L53ewfEzaDWfR2gxhVDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f5407766045b2a49496c2435d5d9f91becc0ee46e3c7562ae54ae6105b5000d0","last_reissued_at":"2026-07-05T03:07:29.222059Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T03:07:29.222059Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2107.00616","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":"2026-07-05T03:07:29Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ZF+JSk15nxCaKQ2lEuvoLJVhwpNaVnseIpX0XkYHXnoZD5Hq5wcJs25HSSLGKpruxw1c/b3Pqr/CdpeFQ8B9BA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-05T12:52:29.413602Z"},"content_sha256":"b90d0173546f955f9c3e3dc762ac8c70480a54aabef6664839329d8dc11abccc","schema_version":"1.0","event_id":"sha256:b90d0173546f955f9c3e3dc762ac8c70480a54aabef6664839329d8dc11abccc"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2021:6VAHOZQELMVESSLMEQ25LWPZDP","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The Z lineshape challenge: ppm and keV measurements","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["hep-ph"],"primary_cat":"hep-ex","authors_text":"Alain Blondel, Juan Alcaraz Maestre, Mogens Dam, Patrick Janot","submitted_at":"2021-07-01T17:11:30Z","abstract_excerpt":"The FCC-ee offers powerful opportunities for direct or indirect evidence for physics beyond the Standard Model, via a combination of high precision measurements and searches for forbidden and rare processes and feebly coupled particles. A key element of FCC-ee physics program is the measurement of the Z lineshape from a total of $5\\times 10^{12}$ Z bosons and a beam-energy calibration with relative uncertainty of $10^{-6}$. With this exceptionally large event sample, five orders of magnitude larger than that accumulated during the whole LEP1 operation at the Z pole, the defining parameters - $"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2107.00616","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2107.00616/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":"2026-07-05T03:07:29Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"sGX66xS4yMmhDMApxo9u+TE9ej/8Bd5j2d7Q/zCmJY8Jzc7YioAt72dk+4agifbqvkLRE8NsQCMgc73cii+3Cg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-05T12:52:29.414212Z"},"content_sha256":"64b8419e0b4d896e701092c4f53c05b007cf477ae923074b79d0dd91987f7373","schema_version":"1.0","event_id":"sha256:64b8419e0b4d896e701092c4f53c05b007cf477ae923074b79d0dd91987f7373"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/6VAHOZQELMVESSLMEQ25LWPZDP/bundle.json","state_url":"https://pith.science/pith/6VAHOZQELMVESSLMEQ25LWPZDP/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/6VAHOZQELMVESSLMEQ25LWPZDP/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":"2026-07-05T12:52:29Z","links":{"resolver":"https://pith.science/pith/6VAHOZQELMVESSLMEQ25LWPZDP","bundle":"https://pith.science/pith/6VAHOZQELMVESSLMEQ25LWPZDP/bundle.json","state":"https://pith.science/pith/6VAHOZQELMVESSLMEQ25LWPZDP/state.json","well_known_bundle":"https://pith.science/.well-known/pith/6VAHOZQELMVESSLMEQ25LWPZDP/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:6VAHOZQELMVESSLMEQ25LWPZDP","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":"49c5efc941367050c0bac0c17b59a6e152675a05a2c4a03a6428c5e006a3a638","cross_cats_sorted":["hep-ph"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-ex","submitted_at":"2021-07-01T17:11:30Z","title_canon_sha256":"768a581acf78b6596345625d32b28d67c08a10e7ac4e560fade77e4e0e8bdc4c"},"schema_version":"1.0","source":{"id":"2107.00616","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2107.00616","created_at":"2026-07-05T03:07:29Z"},{"alias_kind":"arxiv_version","alias_value":"2107.00616v1","created_at":"2026-07-05T03:07:29Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2107.00616","created_at":"2026-07-05T03:07:29Z"},{"alias_kind":"pith_short_12","alias_value":"6VAHOZQELMVE","created_at":"2026-07-05T03:07:29Z"},{"alias_kind":"pith_short_16","alias_value":"6VAHOZQELMVESSLM","created_at":"2026-07-05T03:07:29Z"},{"alias_kind":"pith_short_8","alias_value":"6VAHOZQE","created_at":"2026-07-05T03:07:29Z"}],"graph_snapshots":[{"event_id":"sha256:64b8419e0b4d896e701092c4f53c05b007cf477ae923074b79d0dd91987f7373","target":"graph","created_at":"2026-07-05T03:07:29Z","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/2107.00616/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The FCC-ee offers powerful opportunities for direct or indirect evidence for physics beyond the Standard Model, via a combination of high precision measurements and searches for forbidden and rare processes and feebly coupled particles. A key element of FCC-ee physics program is the measurement of the Z lineshape from a total of $5\\times 10^{12}$ Z bosons and a beam-energy calibration with relative uncertainty of $10^{-6}$. With this exceptionally large event sample, five orders of magnitude larger than that accumulated during the whole LEP1 operation at the Z pole, the defining parameters - $","authors_text":"Alain Blondel, Juan Alcaraz Maestre, Mogens Dam, Patrick Janot","cross_cats":["hep-ph"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-ex","submitted_at":"2021-07-01T17:11:30Z","title":"The Z lineshape challenge: ppm and keV measurements"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2107.00616","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:b90d0173546f955f9c3e3dc762ac8c70480a54aabef6664839329d8dc11abccc","target":"record","created_at":"2026-07-05T03:07:29Z","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":"49c5efc941367050c0bac0c17b59a6e152675a05a2c4a03a6428c5e006a3a638","cross_cats_sorted":["hep-ph"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-ex","submitted_at":"2021-07-01T17:11:30Z","title_canon_sha256":"768a581acf78b6596345625d32b28d67c08a10e7ac4e560fade77e4e0e8bdc4c"},"schema_version":"1.0","source":{"id":"2107.00616","kind":"arxiv","version":1}},"canonical_sha256":"f5407766045b2a49496c2435d5d9f91becc0ee46e3c7562ae54ae6105b5000d0","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f5407766045b2a49496c2435d5d9f91becc0ee46e3c7562ae54ae6105b5000d0","first_computed_at":"2026-07-05T03:07:29.222059Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T03:07:29.222059Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"fQAfJVIVvOVyBUrSZCTUeGAHsaavpePnF8icX+AlPcnUC9jm3KHHna2mTkuX7idP/3L53ewfEzaDWfR2gxhVDg==","signature_status":"signed_v1","signed_at":"2026-07-05T03:07:29.222442Z","signed_message":"canonical_sha256_bytes"},"source_id":"2107.00616","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b90d0173546f955f9c3e3dc762ac8c70480a54aabef6664839329d8dc11abccc","sha256:64b8419e0b4d896e701092c4f53c05b007cf477ae923074b79d0dd91987f7373"],"state_sha256":"b894f58ff5825918db9a1d53e65c3e59087db85cbf76665e045f0b643d119bba"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"dpeoEcZZOT7KZyMbP6MnPU8r3qOtsi4yVF5IcDVjV7ZIwHhv7zWoHttMwNsC8YwETCCFPmo0DLBVJi+ElRjAAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-05T12:52:29.417126Z","bundle_sha256":"be7e2ea1749449a7b462f5c512b292ef74fefa34fa0555024aa1d9fc8a3cfaaa"}}