{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:DUBF5AGBH4IM7YQVWVZE7XVBKC","short_pith_number":"pith:DUBF5AGB","canonical_record":{"source":{"id":"1810.04602","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-ex","submitted_at":"2018-10-10T15:47:17Z","cross_cats_sorted":["nucl-ex"],"title_canon_sha256":"881ac30ca3a671936871fc7a506d6615d288d281e9c26cc8e5efbc9b805367b5","abstract_canon_sha256":"757b94d92650723dc70246445cebfea69cd303c1dc9c0bef808232a44e95b8d6"},"schema_version":"1.0"},"canonical_sha256":"1d025e80c13f10cfe215b5724fdea150a5f5ac13abcbb4bebc14de9b5cae8994","source":{"kind":"arxiv","id":"1810.04602","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1810.04602","created_at":"2026-07-05T00:00:43Z"},{"alias_kind":"arxiv_version","alias_value":"1810.04602v2","created_at":"2026-07-05T00:00:43Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1810.04602","created_at":"2026-07-05T00:00:43Z"},{"alias_kind":"pith_short_12","alias_value":"DUBF5AGBH4IM","created_at":"2026-07-05T00:00:43Z"},{"alias_kind":"pith_short_16","alias_value":"DUBF5AGBH4IM7YQV","created_at":"2026-07-05T00:00:43Z"},{"alias_kind":"pith_short_8","alias_value":"DUBF5AGB","created_at":"2026-07-05T00:00:43Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:DUBF5AGBH4IM7YQVWVZE7XVBKC","target":"record","payload":{"canonical_record":{"source":{"id":"1810.04602","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-ex","submitted_at":"2018-10-10T15:47:17Z","cross_cats_sorted":["nucl-ex"],"title_canon_sha256":"881ac30ca3a671936871fc7a506d6615d288d281e9c26cc8e5efbc9b805367b5","abstract_canon_sha256":"757b94d92650723dc70246445cebfea69cd303c1dc9c0bef808232a44e95b8d6"},"schema_version":"1.0"},"canonical_sha256":"1d025e80c13f10cfe215b5724fdea150a5f5ac13abcbb4bebc14de9b5cae8994","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T00:00:43.447469Z","signature_b64":"8ZVmOGHFqrI1QLw4z/E6tzSeix/e/2PE0Ig98q/B5l89hsr0+hbUISe1FjZlp9ffTIRzkkUsnGQITyq3fpHlBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1d025e80c13f10cfe215b5724fdea150a5f5ac13abcbb4bebc14de9b5cae8994","last_reissued_at":"2026-07-05T00:00:43.447017Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T00:00:43.447017Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1810.04602","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":"2026-07-05T00:00:43Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"gPej8urBSl2TfnwJvHhRQl6QXGnYKrsjPepqHuz+WhMzXoQDz7sfF09Z4BQuoDtt5p4cOaS6xux1q6qmDh9gAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T16:40:46.020411Z"},"content_sha256":"3de2c4d6feb2c4d04b1f3d1ab8c6e271b85c94517af1870c73dea3579a96bcef","schema_version":"1.0","event_id":"sha256:3de2c4d6feb2c4d04b1f3d1ab8c6e271b85c94517af1870c73dea3579a96bcef"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:DUBF5AGBH4IM7YQVWVZE7XVBKC","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Evidence for light-by-light scattering and searches for axion-like particles in ultraperipheral PbPb collisions at $\\sqrt{s_\\mathrm{NN}} =$ 5.02 TeV","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["nucl-ex"],"primary_cat":"hep-ex","authors_text":"CMS Collaboration","submitted_at":"2018-10-10T15:47:17Z","abstract_excerpt":"Evidence for the light-by-light scattering process, $\\gamma\\gamma$ $\\to$ $\\gamma\\gamma$, in ultraperipheral PbPb collisions at a centre-of-mass energy per nucleon pair of 5.02 TeV is reported. The analysis is conducted using a data sample corresponding to an integrated luminosity of 390 $\\mu$b$^{-1}$ recorded by the CMS experiment at the LHC. Light-by-light scattering processes are selected in events with two photons exclusively produced, each with transverse energy E$_\\mathrm{T}^{\\gamma}$ $>$ 2 GeV, pseudorapidity $|\\eta^{\\gamma}|$ $\\lt$ 2.4, diphoton invariant mass $m^{\\gamma\\gamma}$ $\\gt$ 5"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1810.04602","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/1810.04602/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":"2026-07-05T00:00:43Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"KcuRKGCebbUiw3kmmYY/jrV+KgsuyKHZBWiMZeQEEZJgo3I5cc/00kYyjMfn7ydOLEZ+Hk+hcCTcqhUjzEE4Cw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T16:40:46.020967Z"},"content_sha256":"c1f09c02a87a66ba0cec36c8ab2cc2c3f860756984cec24e83c60139bd6de0c5","schema_version":"1.0","event_id":"sha256:c1f09c02a87a66ba0cec36c8ab2cc2c3f860756984cec24e83c60139bd6de0c5"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/DUBF5AGBH4IM7YQVWVZE7XVBKC/bundle.json","state_url":"https://pith.science/pith/DUBF5AGBH4IM7YQVWVZE7XVBKC/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/DUBF5AGBH4IM7YQVWVZE7XVBKC/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":"2026-08-05T16:40:46Z","links":{"resolver":"https://pith.science/pith/DUBF5AGBH4IM7YQVWVZE7XVBKC","bundle":"https://pith.science/pith/DUBF5AGBH4IM7YQVWVZE7XVBKC/bundle.json","state":"https://pith.science/pith/DUBF5AGBH4IM7YQVWVZE7XVBKC/state.json","well_known_bundle":"https://pith.science/.well-known/pith/DUBF5AGBH4IM7YQVWVZE7XVBKC/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:DUBF5AGBH4IM7YQVWVZE7XVBKC","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":"757b94d92650723dc70246445cebfea69cd303c1dc9c0bef808232a44e95b8d6","cross_cats_sorted":["nucl-ex"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-ex","submitted_at":"2018-10-10T15:47:17Z","title_canon_sha256":"881ac30ca3a671936871fc7a506d6615d288d281e9c26cc8e5efbc9b805367b5"},"schema_version":"1.0","source":{"id":"1810.04602","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1810.04602","created_at":"2026-07-05T00:00:43Z"},{"alias_kind":"arxiv_version","alias_value":"1810.04602v2","created_at":"2026-07-05T00:00:43Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1810.04602","created_at":"2026-07-05T00:00:43Z"},{"alias_kind":"pith_short_12","alias_value":"DUBF5AGBH4IM","created_at":"2026-07-05T00:00:43Z"},{"alias_kind":"pith_short_16","alias_value":"DUBF5AGBH4IM7YQV","created_at":"2026-07-05T00:00:43Z"},{"alias_kind":"pith_short_8","alias_value":"DUBF5AGB","created_at":"2026-07-05T00:00:43Z"}],"graph_snapshots":[{"event_id":"sha256:c1f09c02a87a66ba0cec36c8ab2cc2c3f860756984cec24e83c60139bd6de0c5","target":"graph","created_at":"2026-07-05T00:00:43Z","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/1810.04602/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Evidence for the light-by-light scattering process, $\\gamma\\gamma$ $\\to$ $\\gamma\\gamma$, in ultraperipheral PbPb collisions at a centre-of-mass energy per nucleon pair of 5.02 TeV is reported. The analysis is conducted using a data sample corresponding to an integrated luminosity of 390 $\\mu$b$^{-1}$ recorded by the CMS experiment at the LHC. Light-by-light scattering processes are selected in events with two photons exclusively produced, each with transverse energy E$_\\mathrm{T}^{\\gamma}$ $>$ 2 GeV, pseudorapidity $|\\eta^{\\gamma}|$ $\\lt$ 2.4, diphoton invariant mass $m^{\\gamma\\gamma}$ $\\gt$ 5","authors_text":"CMS Collaboration","cross_cats":["nucl-ex"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-ex","submitted_at":"2018-10-10T15:47:17Z","title":"Evidence for light-by-light scattering and searches for axion-like particles in ultraperipheral PbPb collisions at $\\sqrt{s_\\mathrm{NN}} =$ 5.02 TeV"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1810.04602","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":"sha256:3de2c4d6feb2c4d04b1f3d1ab8c6e271b85c94517af1870c73dea3579a96bcef","target":"record","created_at":"2026-07-05T00:00:43Z","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":"757b94d92650723dc70246445cebfea69cd303c1dc9c0bef808232a44e95b8d6","cross_cats_sorted":["nucl-ex"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-ex","submitted_at":"2018-10-10T15:47:17Z","title_canon_sha256":"881ac30ca3a671936871fc7a506d6615d288d281e9c26cc8e5efbc9b805367b5"},"schema_version":"1.0","source":{"id":"1810.04602","kind":"arxiv","version":2}},"canonical_sha256":"1d025e80c13f10cfe215b5724fdea150a5f5ac13abcbb4bebc14de9b5cae8994","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"1d025e80c13f10cfe215b5724fdea150a5f5ac13abcbb4bebc14de9b5cae8994","first_computed_at":"2026-07-05T00:00:43.447017Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T00:00:43.447017Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"8ZVmOGHFqrI1QLw4z/E6tzSeix/e/2PE0Ig98q/B5l89hsr0+hbUISe1FjZlp9ffTIRzkkUsnGQITyq3fpHlBQ==","signature_status":"signed_v1","signed_at":"2026-07-05T00:00:43.447469Z","signed_message":"canonical_sha256_bytes"},"source_id":"1810.04602","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:3de2c4d6feb2c4d04b1f3d1ab8c6e271b85c94517af1870c73dea3579a96bcef","sha256:c1f09c02a87a66ba0cec36c8ab2cc2c3f860756984cec24e83c60139bd6de0c5"],"state_sha256":"d5dd4b0881515cd03f475f4bfdfb4bc1498b465d46f8801c5dd34980eec80004"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"CXd4sudQQWT6fMK3sJQDRGD86UBzgMVUbIChx1GaUycSzULoThtoZCM8wKM2/G3XP+M0J1dKZ6C6baqtgpaICg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-05T16:40:46.025572Z","bundle_sha256":"204b8c774639b49ef02939e729998e8dba29390d524d30b0535404ee72343bea"}}