{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2001:ZURIIWJ7L5SKIPHRS7M2PBF3AD","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":"d12b423557a1be08a4612c0c405ffa64754e0bfb53ae7c49db04bf8bf7881a4e","cross_cats_sorted":["hep-ph"],"license":"","primary_cat":"physics.acc-ph","submitted_at":"2001-08-15T17:35:06Z","title_canon_sha256":"f51bc590feac44f049151dd71a9ec77e1dd4f256de7026b2a8eba2c31f506ebb"},"schema_version":"1.0","source":{"id":"physics/0108027","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"physics/0108027","created_at":"2026-07-04T15:29:42Z"},{"alias_kind":"arxiv_version","alias_value":"physics/0108027v2","created_at":"2026-07-04T15:29:42Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.physics/0108027","created_at":"2026-07-04T15:29:42Z"},{"alias_kind":"pith_short_12","alias_value":"ZURIIWJ7L5SK","created_at":"2026-07-04T15:29:42Z"},{"alias_kind":"pith_short_16","alias_value":"ZURIIWJ7L5SKIPHR","created_at":"2026-07-04T15:29:42Z"},{"alias_kind":"pith_short_8","alias_value":"ZURIIWJ7","created_at":"2026-07-04T15:29:42Z"}],"graph_snapshots":[{"event_id":"sha256:ff2c0568c951e743c99ef701c90d3508972cad6e4e3d8312e9cbca4eae628adc","target":"graph","created_at":"2026-07-04T15:29:42Z","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/physics/0108027/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"A stored-muon-beam neutrino factory may require transverse ionization cooling of the muon beam. We describe recent progress in research and development on energy absorbers for muon-beam cooling carried out by a collaboration of university and laboratory groups.","authors_text":"A. Dyshkant, C. Darve (NU), C. J. Johnstone, D. Errede, D. Hedin, D. Kubik (NIU), D. M. Kaplan, D. Summers (Mississippi), E. L. Black, K. W. Cassel, K. Yoshimura (KEK), L. Bandura, M. A. Cummings, M. Boghosian, M. Haney, M. Popovic (FNAL), M. Reep, R. P. Johnson (IIT), S. Geer, S. Ishimoto, S. Majewski (UIUC), Y. Kuno (Osaka)","cross_cats":["hep-ph"],"headline":"","license":"","primary_cat":"physics.acc-ph","submitted_at":"2001-08-15T17:35:06Z","title":"Progress in Absorber R&D for Muon Cooling"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"physics/0108027","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":"sha256:034cba53aeaa7ecd4ea84e8365e53fd83176ab764f2356baa2f6ef5e0978e023","target":"record","created_at":"2026-07-04T15:29:42Z","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":"d12b423557a1be08a4612c0c405ffa64754e0bfb53ae7c49db04bf8bf7881a4e","cross_cats_sorted":["hep-ph"],"license":"","primary_cat":"physics.acc-ph","submitted_at":"2001-08-15T17:35:06Z","title_canon_sha256":"f51bc590feac44f049151dd71a9ec77e1dd4f256de7026b2a8eba2c31f506ebb"},"schema_version":"1.0","source":{"id":"physics/0108027","kind":"arxiv","version":2}},"canonical_sha256":"cd2284593f5f64a43cf197d9a784bb00efc35bc074d100da012153d0e59e4c74","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"cd2284593f5f64a43cf197d9a784bb00efc35bc074d100da012153d0e59e4c74","first_computed_at":"2026-07-04T15:29:42.651586Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T15:29:42.651586Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"B7+b8mDuF5zE74dk1NQ+rL2szgFqqN7kX2qU/uSTBYz0CCU06JzlAulfEEcdIs+LheHwXqnJjfvRQb474jKYBA==","signature_status":"signed_v1","signed_at":"2026-07-04T15:29:42.652120Z","signed_message":"canonical_sha256_bytes"},"source_id":"physics/0108027","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:034cba53aeaa7ecd4ea84e8365e53fd83176ab764f2356baa2f6ef5e0978e023","sha256:ff2c0568c951e743c99ef701c90d3508972cad6e4e3d8312e9cbca4eae628adc"],"state_sha256":"ca186790ab70bfe69c509d856fbe8f84d7e6021454a7e206a4808fe133932c58"}