{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2023:DH7XMAL2FOOX7LZKOV37PDMEEW","short_pith_number":"pith:DH7XMAL2","canonical_record":{"source":{"id":"2312.12055","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-ex","submitted_at":"2023-12-19T11:18:22Z","cross_cats_sorted":[],"title_canon_sha256":"ab5045c280c91ef8a22e1ef2ce7e46722377ab0ffb024715f296f37bd7038885","abstract_canon_sha256":"030aedbc3eb6f40ba0a586a37cc6e21f2857bde6fd0dc749dec3e373a56189da"},"schema_version":"1.0"},"canonical_sha256":"19ff76017a2b9d7faf2a7577f78d84259765c5c0ebacab65449382810df468a2","source":{"kind":"arxiv","id":"2312.12055","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2312.12055","created_at":"2026-07-05T09:08:22Z"},{"alias_kind":"arxiv_version","alias_value":"2312.12055v2","created_at":"2026-07-05T09:08:22Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2312.12055","created_at":"2026-07-05T09:08:22Z"},{"alias_kind":"pith_short_12","alias_value":"DH7XMAL2FOOX","created_at":"2026-07-05T09:08:22Z"},{"alias_kind":"pith_short_16","alias_value":"DH7XMAL2FOOX7LZK","created_at":"2026-07-05T09:08:22Z"},{"alias_kind":"pith_short_8","alias_value":"DH7XMAL2","created_at":"2026-07-05T09:08:22Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2023:DH7XMAL2FOOX7LZKOV37PDMEEW","target":"record","payload":{"canonical_record":{"source":{"id":"2312.12055","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-ex","submitted_at":"2023-12-19T11:18:22Z","cross_cats_sorted":[],"title_canon_sha256":"ab5045c280c91ef8a22e1ef2ce7e46722377ab0ffb024715f296f37bd7038885","abstract_canon_sha256":"030aedbc3eb6f40ba0a586a37cc6e21f2857bde6fd0dc749dec3e373a56189da"},"schema_version":"1.0"},"canonical_sha256":"19ff76017a2b9d7faf2a7577f78d84259765c5c0ebacab65449382810df468a2","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T09:08:22.464718Z","signature_b64":"DEG+U39ezX7Rzuwm5MICZFX+oJEdIeK+uSrrkKFpBjaKiwx/u5iLbRWmpxO1kHM7dr9SEZY5VngVzEkggD1ZBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"19ff76017a2b9d7faf2a7577f78d84259765c5c0ebacab65449382810df468a2","last_reissued_at":"2026-07-05T09:08:22.464164Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T09:08:22.464164Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2312.12055","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":"2026-07-05T09:08:22Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"RqelA3hai6bt4UHkFqeg0xE3DkDvKUyynEOtlGMpkro5HIF8YR5y1K8SgzofawzFaq0cDs7B3PIR5V8w6gKICQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-08T00:15:33.848770Z"},"content_sha256":"439183b9e30aaf313d4c45385c9ac2b5f7a2b34b24d785f873cd5a4bf410fe2d","schema_version":"1.0","event_id":"sha256:439183b9e30aaf313d4c45385c9ac2b5f7a2b34b24d785f873cd5a4bf410fe2d"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2023:DH7XMAL2FOOX7LZKOV37PDMEEW","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Search for Leptonic Decays of Dark Photons at NA62","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"hep-ex","authors_text":"The NA62 collaboration","submitted_at":"2023-12-19T11:18:22Z","abstract_excerpt":"The NA62 experiment at CERN, configured in beam-dump mode, has searched for dark photon decays in flight to electron-positron pairs using a sample of $1.4\\times 10^{17}$ protons on dump collected in 2021. No evidence for a dark photon signal is observed. The combined result for dark photon searches in lepton-antilepton final states is presented and a region of the parameter space is excluded at 90% CL, improving on previous experimental limits for dark photon mass values between 50 and 600 MeV$/c^2$ and coupling values in the range $10^{-6}$ to $4\\times10^{-5}$. An interpretation of the $e^+ e"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2312.12055","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/2312.12055/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":"2026-07-05T09:08:22Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Uhgm58CEYAj0i+1f/oTHsENhTSjzKBMl78AqpX4r9NaC0cbpTDl12/ABWWiHdJNyDYTP/cMKciFNT2369t5xAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-08T00:15:33.849337Z"},"content_sha256":"427d584609ea357df4cec6ccde9964ec8f8be88627dad90ee7ba60a8ae2661a8","schema_version":"1.0","event_id":"sha256:427d584609ea357df4cec6ccde9964ec8f8be88627dad90ee7ba60a8ae2661a8"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/DH7XMAL2FOOX7LZKOV37PDMEEW/bundle.json","state_url":"https://pith.science/pith/DH7XMAL2FOOX7LZKOV37PDMEEW/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/DH7XMAL2FOOX7LZKOV37PDMEEW/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":"2026-08-08T00:15:33Z","links":{"resolver":"https://pith.science/pith/DH7XMAL2FOOX7LZKOV37PDMEEW","bundle":"https://pith.science/pith/DH7XMAL2FOOX7LZKOV37PDMEEW/bundle.json","state":"https://pith.science/pith/DH7XMAL2FOOX7LZKOV37PDMEEW/state.json","well_known_bundle":"https://pith.science/.well-known/pith/DH7XMAL2FOOX7LZKOV37PDMEEW/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:DH7XMAL2FOOX7LZKOV37PDMEEW","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":"030aedbc3eb6f40ba0a586a37cc6e21f2857bde6fd0dc749dec3e373a56189da","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-ex","submitted_at":"2023-12-19T11:18:22Z","title_canon_sha256":"ab5045c280c91ef8a22e1ef2ce7e46722377ab0ffb024715f296f37bd7038885"},"schema_version":"1.0","source":{"id":"2312.12055","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2312.12055","created_at":"2026-07-05T09:08:22Z"},{"alias_kind":"arxiv_version","alias_value":"2312.12055v2","created_at":"2026-07-05T09:08:22Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2312.12055","created_at":"2026-07-05T09:08:22Z"},{"alias_kind":"pith_short_12","alias_value":"DH7XMAL2FOOX","created_at":"2026-07-05T09:08:22Z"},{"alias_kind":"pith_short_16","alias_value":"DH7XMAL2FOOX7LZK","created_at":"2026-07-05T09:08:22Z"},{"alias_kind":"pith_short_8","alias_value":"DH7XMAL2","created_at":"2026-07-05T09:08:22Z"}],"graph_snapshots":[{"event_id":"sha256:427d584609ea357df4cec6ccde9964ec8f8be88627dad90ee7ba60a8ae2661a8","target":"graph","created_at":"2026-07-05T09:08:22Z","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/2312.12055/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The NA62 experiment at CERN, configured in beam-dump mode, has searched for dark photon decays in flight to electron-positron pairs using a sample of $1.4\\times 10^{17}$ protons on dump collected in 2021. No evidence for a dark photon signal is observed. The combined result for dark photon searches in lepton-antilepton final states is presented and a region of the parameter space is excluded at 90% CL, improving on previous experimental limits for dark photon mass values between 50 and 600 MeV$/c^2$ and coupling values in the range $10^{-6}$ to $4\\times10^{-5}$. An interpretation of the $e^+ e","authors_text":"The NA62 collaboration","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-ex","submitted_at":"2023-12-19T11:18:22Z","title":"Search for Leptonic Decays of Dark Photons at NA62"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2312.12055","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":"sha256:439183b9e30aaf313d4c45385c9ac2b5f7a2b34b24d785f873cd5a4bf410fe2d","target":"record","created_at":"2026-07-05T09:08:22Z","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":"030aedbc3eb6f40ba0a586a37cc6e21f2857bde6fd0dc749dec3e373a56189da","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-ex","submitted_at":"2023-12-19T11:18:22Z","title_canon_sha256":"ab5045c280c91ef8a22e1ef2ce7e46722377ab0ffb024715f296f37bd7038885"},"schema_version":"1.0","source":{"id":"2312.12055","kind":"arxiv","version":2}},"canonical_sha256":"19ff76017a2b9d7faf2a7577f78d84259765c5c0ebacab65449382810df468a2","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"19ff76017a2b9d7faf2a7577f78d84259765c5c0ebacab65449382810df468a2","first_computed_at":"2026-07-05T09:08:22.464164Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T09:08:22.464164Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"DEG+U39ezX7Rzuwm5MICZFX+oJEdIeK+uSrrkKFpBjaKiwx/u5iLbRWmpxO1kHM7dr9SEZY5VngVzEkggD1ZBQ==","signature_status":"signed_v1","signed_at":"2026-07-05T09:08:22.464718Z","signed_message":"canonical_sha256_bytes"},"source_id":"2312.12055","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:439183b9e30aaf313d4c45385c9ac2b5f7a2b34b24d785f873cd5a4bf410fe2d","sha256:427d584609ea357df4cec6ccde9964ec8f8be88627dad90ee7ba60a8ae2661a8"],"state_sha256":"8db46f17b2e8916cd2ad37031732c615879952e82cf5599f1c9ee2a57ca941e8"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"lzWTKaIPIGiffhYzvi0Uz1r9xjWPFSwH5Mjytw9a8tv+qxQ/qG1fA3zbb3Ji6pGNbJjD+ft3GxZxoxBBmTjnCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-08T00:15:33.854076Z","bundle_sha256":"622207fcfaf943009aafdc3819f8eea71f29af292d2a64b903542f6260332d5f"}}