{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:KL43NAWBTHSM2HDMYAVTQYLGUY","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":"1d90e5a00724ba1d174988c199a96a5d1b9781f1cb187e2c6502e0bb8dde546a","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.ins-det","submitted_at":"2025-05-12T11:53:29Z","title_canon_sha256":"b301a36958b2be15bc5011c8c6ac3315f86c67294512798d46518d0e60b35163"},"schema_version":"1.0","source":{"id":"2505.07464","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2505.07464","created_at":"2026-07-05T11:46:42Z"},{"alias_kind":"arxiv_version","alias_value":"2505.07464v2","created_at":"2026-07-05T11:46:42Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2505.07464","created_at":"2026-07-05T11:46:42Z"},{"alias_kind":"pith_short_12","alias_value":"KL43NAWBTHSM","created_at":"2026-07-05T11:46:42Z"},{"alias_kind":"pith_short_16","alias_value":"KL43NAWBTHSM2HDM","created_at":"2026-07-05T11:46:42Z"},{"alias_kind":"pith_short_8","alias_value":"KL43NAWB","created_at":"2026-07-05T11:46:42Z"}],"graph_snapshots":[{"event_id":"sha256:5404f4e97519fb98ef606eb9cd5195174efd54496090a8ec9ef65b81d1a60bde","target":"graph","created_at":"2026-07-05T11:46:42Z","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/2505.07464/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The COMET Phase-$\\alpha$ experiment aims to evaluate the novel muon transport beamline for the muon-to-electron conversion search at J-PARC, Japan. A dedicated Range Counter (RC) was developed to measure the momentum spectrum of transported negative muons with momenta of 30--100 MeV/$c$. The RC consists of graphite momentum degraders, a muon absorber, and plastic scintillation counters ($\\rm T_0$, $\\rm T_1$, and $\\rm T_2$) to detect decay-in-orbit (DIO) electrons from stopped muons. The number of muons stopped in the absorber is reconstructed from the decay time distribution. A copper absorber","authors_text":"Hajime Nishiguchi, Kazuki Ueno, Kenya Okabe, Kou Oishi, Masaaki Higashide, Masaharu Aoki, Nicolas Chadeau, Satoshi Mihara, Shion Kuribayashi, Shunya Ueda, Thomas Clouvel, Yoshinori Fukao, Yoshi Uchida, Youichi Igarashi, Yuki Fujii","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.ins-det","submitted_at":"2025-05-12T11:53:29Z","title":"Development of the Range Counter for the COMET Phase-$\\alpha$ Experiment"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2505.07464","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":"sha256:36b81b5715a703622471f7737669ec9cc4cf1614ee84465aaed44e268418f03b","target":"record","created_at":"2026-07-05T11:46:42Z","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":"1d90e5a00724ba1d174988c199a96a5d1b9781f1cb187e2c6502e0bb8dde546a","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.ins-det","submitted_at":"2025-05-12T11:53:29Z","title_canon_sha256":"b301a36958b2be15bc5011c8c6ac3315f86c67294512798d46518d0e60b35163"},"schema_version":"1.0","source":{"id":"2505.07464","kind":"arxiv","version":2}},"canonical_sha256":"52f9b682c199e4cd1c6cc02b386166a606d22b0109edc2d8aedca8b2a53bb8b6","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"52f9b682c199e4cd1c6cc02b386166a606d22b0109edc2d8aedca8b2a53bb8b6","first_computed_at":"2026-07-05T11:46:42.983962Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T11:46:42.983962Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"dNzCv2sAEenkLXVRirFyDJMH7DLcD/H8FUOJndfVpG8/J7aKi5aXcsNFfgFjmF4pxopOPzuA5d2Um8ldwAaeBw==","signature_status":"signed_v1","signed_at":"2026-07-05T11:46:42.984481Z","signed_message":"canonical_sha256_bytes"},"source_id":"2505.07464","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:36b81b5715a703622471f7737669ec9cc4cf1614ee84465aaed44e268418f03b","sha256:5404f4e97519fb98ef606eb9cd5195174efd54496090a8ec9ef65b81d1a60bde"],"state_sha256":"503593901fede03ac86f3caf460f354aa3e742d63fa02db8fe8a2d579b531806"}