{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:Z2XPLXM76AASI6DZ3K5DSX7FSK","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":"3b0c6330519fafbe084bfa9b09a8c7de6d115abfb465b7ffe543a288d475f9de","cross_cats_sorted":["hep-ex"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2017-09-20T21:05:03Z","title_canon_sha256":"ffb70f6785351bcb7c639a7cc9d12899aace9bf676117298519494906e7d18a8"},"schema_version":"1.0","source":{"id":"1709.07081","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1709.07081","created_at":"2026-05-18T00:13:31Z"},{"alias_kind":"arxiv_version","alias_value":"1709.07081v1","created_at":"2026-05-18T00:13:31Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1709.07081","created_at":"2026-05-18T00:13:31Z"},{"alias_kind":"pith_short_12","alias_value":"Z2XPLXM76AAS","created_at":"2026-05-18T12:31:59Z"},{"alias_kind":"pith_short_16","alias_value":"Z2XPLXM76AASI6DZ","created_at":"2026-05-18T12:31:59Z"},{"alias_kind":"pith_short_8","alias_value":"Z2XPLXM7","created_at":"2026-05-18T12:31:59Z"}],"graph_snapshots":[{"event_id":"sha256:0257ce89170c7722fcd0876fd6099d131490cadf5b85afb9276c18fe22579f9e","target":"graph","created_at":"2026-05-18T00:13:31Z","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"},"paper":{"abstract_excerpt":"The PADME experiment at the DA$\\Phi$NE Beam-Test Facility (BTF) is designed to search for the gauge boson of a new $\\rm U(1)$ interaction in the process e$^+$e$^-\\rightarrow\\gamma$+$\\rm A'$, using the intense positron beam hitting a light target. The $\\rm A'$, usually referred as dark photon, is assumed to decay into invisible particles of a secluded sector and it can be observed by searching for an anomalous peak in the spectrum of the missing mass measured in events with a single photon in the final state. The measurement requires the determination of the 4-momentum of the recoil photon, per","authors_text":"A. G. Monteduro, A.P. Caricato, C. Di Giulio, C. Pinto, F. Oliva, G. Chiodini, G. Fiore, G. Maruccio, L. Foggetta, M. Corrado, M. De Feudis, M. Martino, R. Assiro, S. Spagnolo","cross_cats":["hep-ex"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2017-09-20T21:05:03Z","title":"Performance of the diamond active target prototype for the PADME experiment at the DA$\\Phi$NE BTF"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1709.07081","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":"sha256:86ad96c552d5d9e8ea378787ee5948dd9a740dd5533836e8e94eaa7558e6dfee","target":"record","created_at":"2026-05-18T00:13:31Z","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":"3b0c6330519fafbe084bfa9b09a8c7de6d115abfb465b7ffe543a288d475f9de","cross_cats_sorted":["hep-ex"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2017-09-20T21:05:03Z","title_canon_sha256":"ffb70f6785351bcb7c639a7cc9d12899aace9bf676117298519494906e7d18a8"},"schema_version":"1.0","source":{"id":"1709.07081","kind":"arxiv","version":1}},"canonical_sha256":"ceaef5dd9ff001247879daba395fe59291cd4c557ac9e724512888b8fa50f5d6","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ceaef5dd9ff001247879daba395fe59291cd4c557ac9e724512888b8fa50f5d6","first_computed_at":"2026-05-18T00:13:31.987402Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:13:31.987402Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"YerXn1UNo/+5eeEp0U90Os/DCDba3/6YTW7FO07UHSa0V5YWMemPReBz+DUTlJEwxEz96pHP1PKFePsgIBrtCQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:13:31.988494Z","signed_message":"canonical_sha256_bytes"},"source_id":"1709.07081","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:86ad96c552d5d9e8ea378787ee5948dd9a740dd5533836e8e94eaa7558e6dfee","sha256:0257ce89170c7722fcd0876fd6099d131490cadf5b85afb9276c18fe22579f9e"],"state_sha256":"bd8a7ea01f8c4feb9beda4265858726055f37cd9eff01f6a45f26e5700a33bc6"}