{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2007:NBVRNZHRE3KU4FQJUUSFYFQ2KF","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":"7b98cbbaa4f078de6f15b2441fbe2f855781ffc6016805c6deb462eb963fc415","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2007-09-13T19:36:13Z","title_canon_sha256":"ab48ce11d5c251326ffc756441889c0016b4ccccc2c70182b47291327cc4324a"},"schema_version":"1.0","source":{"id":"0709.2154","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0709.2154","created_at":"2026-07-04T15:04:14Z"},{"alias_kind":"arxiv_version","alias_value":"0709.2154v1","created_at":"2026-07-04T15:04:14Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0709.2154","created_at":"2026-07-04T15:04:14Z"},{"alias_kind":"pith_short_12","alias_value":"NBVRNZHRE3KU","created_at":"2026-07-04T15:04:14Z"},{"alias_kind":"pith_short_16","alias_value":"NBVRNZHRE3KU4FQJ","created_at":"2026-07-04T15:04:14Z"},{"alias_kind":"pith_short_8","alias_value":"NBVRNZHR","created_at":"2026-07-04T15:04:14Z"}],"graph_snapshots":[{"event_id":"sha256:8a5bc28b9a570bb386bc6e105c5b15ea0bea4f8d548a3bb96bc9c6093e3b2d2d","target":"graph","created_at":"2026-07-04T15:04:14Z","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/0709.2154/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The AMS detector, to be installed on the International Space Station, includes a Ring Imaging Cerenkov detector with two different radiators, silica aerogel (n=1.05) and sodium fluoride (n=1.334). This detector is designed to provide very precise measurements of velocity and electric charge in a wide range of cosmic nuclei energies and atomic numbers. The detector geometry, in particular the presence of a reflector for acceptance purposes, leads to complex Cerenkov patterns detected in a pixelized photomultiplier matrix. The results of different reconstruction methods applied to test beam data","authors_text":"A. Barrau, A. Herrero, A. Malinin, A. Menchaca-Rocha, A. Putze, A. Torrento, B. Baret, C. de la Guia, C. Delgado, C. Diaz, C. Mana, C. Palomares, D. Casadei, D. Crespo, E. Belmont, E. Cortina, E. Lanciotti, E.S. Seo, F. Barao, G. Barreira, G. Laurenti, G. Martinez, I. Sevilla, J. Berdugo, J. Borges, J. Casaus, J. Marin, L. Arruda, L. Derome, M. Aguilar-Benitez, M. Buenerd, M. Costado, M. Mangin-Brinet, M. Pimenta, M. Vargas-Trevino, O. Veziant, P. Goncalves, R. Garcia-Lopez, R. Pereira, Y. Sallaz-Damaz","cross_cats":[],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"2007-09-13T19:36:13Z","title":"The AMS-RICH velocity and charge reconstruction"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0709.2154","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":"sha256:887f493ab4059dfdf9bd27ce06d3d7f3a852b5cc4d3d33cd8522996bc4d71b01","target":"record","created_at":"2026-07-04T15:04:14Z","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":"7b98cbbaa4f078de6f15b2441fbe2f855781ffc6016805c6deb462eb963fc415","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2007-09-13T19:36:13Z","title_canon_sha256":"ab48ce11d5c251326ffc756441889c0016b4ccccc2c70182b47291327cc4324a"},"schema_version":"1.0","source":{"id":"0709.2154","kind":"arxiv","version":1}},"canonical_sha256":"686b16e4f126d54e1609a5245c161a517c554bf9a45717b24475c4a6c2e383c0","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"686b16e4f126d54e1609a5245c161a517c554bf9a45717b24475c4a6c2e383c0","first_computed_at":"2026-07-04T15:04:14.520640Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T15:04:14.520640Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"MglsxcwWEapnekleYbxstSXl8gqpVG6J6ivVgKx8i6YC4SnGk2BHKKlBCd/1AdmEQ1wGeNhQQ3Q2rCj6J6nmDg==","signature_status":"signed_v1","signed_at":"2026-07-04T15:04:14.521045Z","signed_message":"canonical_sha256_bytes"},"source_id":"0709.2154","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:887f493ab4059dfdf9bd27ce06d3d7f3a852b5cc4d3d33cd8522996bc4d71b01","sha256:8a5bc28b9a570bb386bc6e105c5b15ea0bea4f8d548a3bb96bc9c6093e3b2d2d"],"state_sha256":"9fe22d38e6c15d2e5b8aa6f0b7b29865bd643d705a42f64b2dfb69d10d205851"}