{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2022:PHD77WVC7Y2NBZQZW2XSOQ4LTI","short_pith_number":"pith:PHD77WVC","canonical_record":{"source":{"id":"2207.12781","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"nucl-ex","submitted_at":"2022-07-26T09:53:33Z","cross_cats_sorted":[],"title_canon_sha256":"e969fc44965e6a47d9f02b09018d1bf654e60040a6333252744d53d0b379c14f","abstract_canon_sha256":"5c7d9bd7096803938c5295640007fcbd46037ec4e4ea15da957c4aaae622947f"},"schema_version":"1.0"},"canonical_sha256":"79c7ffdaa2fe34d0e619b6af27438b9a0153e13e3da1c764898e1ccb740e3e4d","source":{"kind":"arxiv","id":"2207.12781","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2207.12781","created_at":"2026-07-05T06:28:31Z"},{"alias_kind":"arxiv_version","alias_value":"2207.12781v2","created_at":"2026-07-05T06:28:31Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2207.12781","created_at":"2026-07-05T06:28:31Z"},{"alias_kind":"pith_short_12","alias_value":"PHD77WVC7Y2N","created_at":"2026-07-05T06:28:31Z"},{"alias_kind":"pith_short_16","alias_value":"PHD77WVC7Y2NBZQZ","created_at":"2026-07-05T06:28:31Z"},{"alias_kind":"pith_short_8","alias_value":"PHD77WVC","created_at":"2026-07-05T06:28:31Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2022:PHD77WVC7Y2NBZQZW2XSOQ4LTI","target":"record","payload":{"canonical_record":{"source":{"id":"2207.12781","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"nucl-ex","submitted_at":"2022-07-26T09:53:33Z","cross_cats_sorted":[],"title_canon_sha256":"e969fc44965e6a47d9f02b09018d1bf654e60040a6333252744d53d0b379c14f","abstract_canon_sha256":"5c7d9bd7096803938c5295640007fcbd46037ec4e4ea15da957c4aaae622947f"},"schema_version":"1.0"},"canonical_sha256":"79c7ffdaa2fe34d0e619b6af27438b9a0153e13e3da1c764898e1ccb740e3e4d","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T06:28:31.638516Z","signature_b64":"xpMWnC8f6cJ+waC8DPYvWn/eDYkqtTwDmM0HyAczK0upXKESCtWNEQsj7TOJ1hk/tzyzBzRg/BJfKS9K6UYXCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"79c7ffdaa2fe34d0e619b6af27438b9a0153e13e3da1c764898e1ccb740e3e4d","last_reissued_at":"2026-07-05T06:28:31.638006Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T06:28:31.638006Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2207.12781","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":"2026-07-05T06:28:31Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"0tyl+jt9o3djrD/elF1mrvWtf22LIdWMeIfJ0STg6F5EPqdKU/8LQTT0eVgSvmXt2Ln0mbQccmEZx8MVGo8SBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-02T19:25:51.581580Z"},"content_sha256":"25e9caa6d8dc33ade64d5acc705cd8af55ed02870be69031fda5adecf8a52023","schema_version":"1.0","event_id":"sha256:25e9caa6d8dc33ade64d5acc705cd8af55ed02870be69031fda5adecf8a52023"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2022:PHD77WVC7Y2NBZQZW2XSOQ4LTI","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Exclusive dielectron production in ultraperipheral Pb+Pb collisions at $\\sqrt{s_{_\\text{NN}}} = 5.02$ TeV with ATLAS","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"nucl-ex","authors_text":"ATLAS Collaboration","submitted_at":"2022-07-26T09:53:33Z","abstract_excerpt":"Exclusive production of dielectron pairs, $\\gamma\\gamma\\rightarrow e^+e^-$, is studied using $\\mathcal{L}_\\mathrm{int}=1.72\\; \\mathrm{nb^{-1}}$ of data from ultraperipheral collisions of lead nuclei at $\\sqrt{s_{_{\\text{NN}}}} = 5.02$ TeV recorded by the ATLAS detector at the LHC. The process of interest proceeds via photon-photon interaction in the strong electromagnetic fields of relativistic lead nuclei. Dielectron production is measured in the fiducial region defined by following requirements: electron transverse momentum, $p_{\\textrm{T}}^{e} > 2.5$ GeV, absolute electron pseudorapidity, $"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2207.12781","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/2207.12781/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":"2026-07-05T06:28:31Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"yJeQ/xHE2GefRPST4HPtmJO+ZTuL7oAwfbRWVV45xrhUREupC9rD7iTPSjY+1S74/VzJvdMCsZostwghEpwaDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-02T19:25:51.582059Z"},"content_sha256":"12b92c49a50b6fe165838e9302ceae44b263cb6881895ab29ffbb4452cc1278a","schema_version":"1.0","event_id":"sha256:12b92c49a50b6fe165838e9302ceae44b263cb6881895ab29ffbb4452cc1278a"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/PHD77WVC7Y2NBZQZW2XSOQ4LTI/bundle.json","state_url":"https://pith.science/pith/PHD77WVC7Y2NBZQZW2XSOQ4LTI/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/PHD77WVC7Y2NBZQZW2XSOQ4LTI/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":"2026-08-02T19:25:51Z","links":{"resolver":"https://pith.science/pith/PHD77WVC7Y2NBZQZW2XSOQ4LTI","bundle":"https://pith.science/pith/PHD77WVC7Y2NBZQZW2XSOQ4LTI/bundle.json","state":"https://pith.science/pith/PHD77WVC7Y2NBZQZW2XSOQ4LTI/state.json","well_known_bundle":"https://pith.science/.well-known/pith/PHD77WVC7Y2NBZQZW2XSOQ4LTI/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:PHD77WVC7Y2NBZQZW2XSOQ4LTI","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":"5c7d9bd7096803938c5295640007fcbd46037ec4e4ea15da957c4aaae622947f","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"nucl-ex","submitted_at":"2022-07-26T09:53:33Z","title_canon_sha256":"e969fc44965e6a47d9f02b09018d1bf654e60040a6333252744d53d0b379c14f"},"schema_version":"1.0","source":{"id":"2207.12781","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2207.12781","created_at":"2026-07-05T06:28:31Z"},{"alias_kind":"arxiv_version","alias_value":"2207.12781v2","created_at":"2026-07-05T06:28:31Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2207.12781","created_at":"2026-07-05T06:28:31Z"},{"alias_kind":"pith_short_12","alias_value":"PHD77WVC7Y2N","created_at":"2026-07-05T06:28:31Z"},{"alias_kind":"pith_short_16","alias_value":"PHD77WVC7Y2NBZQZ","created_at":"2026-07-05T06:28:31Z"},{"alias_kind":"pith_short_8","alias_value":"PHD77WVC","created_at":"2026-07-05T06:28:31Z"}],"graph_snapshots":[{"event_id":"sha256:12b92c49a50b6fe165838e9302ceae44b263cb6881895ab29ffbb4452cc1278a","target":"graph","created_at":"2026-07-05T06:28:31Z","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/2207.12781/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Exclusive production of dielectron pairs, $\\gamma\\gamma\\rightarrow e^+e^-$, is studied using $\\mathcal{L}_\\mathrm{int}=1.72\\; \\mathrm{nb^{-1}}$ of data from ultraperipheral collisions of lead nuclei at $\\sqrt{s_{_{\\text{NN}}}} = 5.02$ TeV recorded by the ATLAS detector at the LHC. The process of interest proceeds via photon-photon interaction in the strong electromagnetic fields of relativistic lead nuclei. Dielectron production is measured in the fiducial region defined by following requirements: electron transverse momentum, $p_{\\textrm{T}}^{e} > 2.5$ GeV, absolute electron pseudorapidity, $","authors_text":"ATLAS Collaboration","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"nucl-ex","submitted_at":"2022-07-26T09:53:33Z","title":"Exclusive dielectron production in ultraperipheral Pb+Pb collisions at $\\sqrt{s_{_\\text{NN}}} = 5.02$ TeV with ATLAS"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2207.12781","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":"sha256:25e9caa6d8dc33ade64d5acc705cd8af55ed02870be69031fda5adecf8a52023","target":"record","created_at":"2026-07-05T06:28:31Z","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":"5c7d9bd7096803938c5295640007fcbd46037ec4e4ea15da957c4aaae622947f","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"nucl-ex","submitted_at":"2022-07-26T09:53:33Z","title_canon_sha256":"e969fc44965e6a47d9f02b09018d1bf654e60040a6333252744d53d0b379c14f"},"schema_version":"1.0","source":{"id":"2207.12781","kind":"arxiv","version":2}},"canonical_sha256":"79c7ffdaa2fe34d0e619b6af27438b9a0153e13e3da1c764898e1ccb740e3e4d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"79c7ffdaa2fe34d0e619b6af27438b9a0153e13e3da1c764898e1ccb740e3e4d","first_computed_at":"2026-07-05T06:28:31.638006Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T06:28:31.638006Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"xpMWnC8f6cJ+waC8DPYvWn/eDYkqtTwDmM0HyAczK0upXKESCtWNEQsj7TOJ1hk/tzyzBzRg/BJfKS9K6UYXCA==","signature_status":"signed_v1","signed_at":"2026-07-05T06:28:31.638516Z","signed_message":"canonical_sha256_bytes"},"source_id":"2207.12781","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:25e9caa6d8dc33ade64d5acc705cd8af55ed02870be69031fda5adecf8a52023","sha256:12b92c49a50b6fe165838e9302ceae44b263cb6881895ab29ffbb4452cc1278a"],"state_sha256":"bcd4193552228e6ba176f812a203c55b0c1134504316c6663fc923c3fb3fcd1f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"9EZP7a3916e7LX0gT/hfwaOFoajIsTZCrIR75osG+FR9FmIkzXZnfYO70XIyP6+aARDj0Yeug4tYb+Lz0DR9BQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-02T19:25:51.585638Z","bundle_sha256":"aef46a8bedf73ce87d6f3b4dfc756e1d5f29e31cf3c001368b422e0f5a68d82b"}}