{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:1995:UHBAZYWJB6SZQPFJKHZY7MX5GY","short_pith_number":"pith:UHBAZYWJ","canonical_record":{"source":{"id":"hep-ex/9503006","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"hep-ex","submitted_at":"1995-03-08T18:49:14Z","cross_cats_sorted":[],"title_canon_sha256":"4619200e16019498762fcc944d6f048b0481713bd862e188b7f895b11657fb35","abstract_canon_sha256":"6edce3c90b0de902ffc205f67118c51f0ae6d3f198735b8a9c730aa64d3ab5d4"},"schema_version":"1.0"},"canonical_sha256":"a1c20ce2c90fa5983ca951f38fb2fd36179f7dac066478fcd2dfb27019b2c2cf","source":{"kind":"arxiv","id":"hep-ex/9503006","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"hep-ex/9503006","created_at":"2026-05-18T04:38:06Z"},{"alias_kind":"arxiv_version","alias_value":"hep-ex/9503006v1","created_at":"2026-05-18T04:38:06Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-ex/9503006","created_at":"2026-05-18T04:38:06Z"},{"alias_kind":"pith_short_12","alias_value":"UHBAZYWJB6SZ","created_at":"2026-05-18T12:25:47Z"},{"alias_kind":"pith_short_16","alias_value":"UHBAZYWJB6SZQPFJ","created_at":"2026-05-18T12:25:47Z"},{"alias_kind":"pith_short_8","alias_value":"UHBAZYWJ","created_at":"2026-05-18T12:25:47Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:1995:UHBAZYWJB6SZQPFJKHZY7MX5GY","target":"record","payload":{"canonical_record":{"source":{"id":"hep-ex/9503006","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"hep-ex","submitted_at":"1995-03-08T18:49:14Z","cross_cats_sorted":[],"title_canon_sha256":"4619200e16019498762fcc944d6f048b0481713bd862e188b7f895b11657fb35","abstract_canon_sha256":"6edce3c90b0de902ffc205f67118c51f0ae6d3f198735b8a9c730aa64d3ab5d4"},"schema_version":"1.0"},"canonical_sha256":"a1c20ce2c90fa5983ca951f38fb2fd36179f7dac066478fcd2dfb27019b2c2cf","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:38:06.787451Z","signature_b64":"d6rh+vQxkuJ//zF6OprPXSejQDcq5qlIv+F9dNuARqlof9kJGOuRifGDmPGFdb/Z+q86esxr97CbGFjrLjGnDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a1c20ce2c90fa5983ca951f38fb2fd36179f7dac066478fcd2dfb27019b2c2cf","last_reissued_at":"2026-05-18T04:38:06.786950Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:38:06.786950Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"hep-ex/9503006","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T04:38:06Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"4cserS/T6h1OIO7aiBypbKLBIwcB3QgSYLAudSsaMwLtlQuZxWRwc6FkMd/IVUVpYbtxdjZrwkq1fIGich2HCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T11:00:43.570797Z"},"content_sha256":"19ac76ec7de5c670a1ba549afdf19d95c82501648ad2197ef792ba1d9533fd83","schema_version":"1.0","event_id":"sha256:19ac76ec7de5c670a1ba549afdf19d95c82501648ad2197ef792ba1d9533fd83"},{"event_type":"graph_snapshot","subject_pith_number":"pith:1995:UHBAZYWJB6SZQPFJKHZY7MX5GY","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"In-beam Tests of a Ring Imaging Cerenkov Detector With a Multianode Photomultiplier Readout","license":"","headline":"","cross_cats":[],"primary_cat":"hep-ex","authors_text":"B. Moskowitz, F. Videbaek (Brookhaven National Laboratory), J. Norris, J. Olness, R. Debbe, S. Gushue","submitted_at":"1995-03-08T18:49:14Z","abstract_excerpt":"A ring-imaging \\v{C}erenkov counter read out by a 100-channel PMT of active area 10$\\times$10 cm$^2$ was operated successfully in a test beam at the BNL AGS with several radiator gases, including the heavy fluorocarbon C$_4$F$_{10}$. Ring radii were measured for electrons, muons, pions and kaons over the particle momentum range from 2 to 12 GeV/$c$, and a best resolution of $\\sigma_r/r = 2.3\\%$ was obtained."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-ex/9503006","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"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":"2026-05-18T04:38:06Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"zn5oLyxIxBo4BV+uarg2Y5MZ71Jfan7Cp8ClP8sFViXH/Ze4054vBj9qt9+fuvwzkBHRDuIS+vAfaPyTtcJ+Dg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T11:00:43.571291Z"},"content_sha256":"104cb1f8d1c69e7497f71c13bf24fa58d2304a846ded5c50644130e03968c4ac","schema_version":"1.0","event_id":"sha256:104cb1f8d1c69e7497f71c13bf24fa58d2304a846ded5c50644130e03968c4ac"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/UHBAZYWJB6SZQPFJKHZY7MX5GY/bundle.json","state_url":"https://pith.science/pith/UHBAZYWJB6SZQPFJKHZY7MX5GY/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/UHBAZYWJB6SZQPFJKHZY7MX5GY/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":"2026-05-30T11:00:43Z","links":{"resolver":"https://pith.science/pith/UHBAZYWJB6SZQPFJKHZY7MX5GY","bundle":"https://pith.science/pith/UHBAZYWJB6SZQPFJKHZY7MX5GY/bundle.json","state":"https://pith.science/pith/UHBAZYWJB6SZQPFJKHZY7MX5GY/state.json","well_known_bundle":"https://pith.science/.well-known/pith/UHBAZYWJB6SZQPFJKHZY7MX5GY/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:1995:UHBAZYWJB6SZQPFJKHZY7MX5GY","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":"6edce3c90b0de902ffc205f67118c51f0ae6d3f198735b8a9c730aa64d3ab5d4","cross_cats_sorted":[],"license":"","primary_cat":"hep-ex","submitted_at":"1995-03-08T18:49:14Z","title_canon_sha256":"4619200e16019498762fcc944d6f048b0481713bd862e188b7f895b11657fb35"},"schema_version":"1.0","source":{"id":"hep-ex/9503006","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"hep-ex/9503006","created_at":"2026-05-18T04:38:06Z"},{"alias_kind":"arxiv_version","alias_value":"hep-ex/9503006v1","created_at":"2026-05-18T04:38:06Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-ex/9503006","created_at":"2026-05-18T04:38:06Z"},{"alias_kind":"pith_short_12","alias_value":"UHBAZYWJB6SZ","created_at":"2026-05-18T12:25:47Z"},{"alias_kind":"pith_short_16","alias_value":"UHBAZYWJB6SZQPFJ","created_at":"2026-05-18T12:25:47Z"},{"alias_kind":"pith_short_8","alias_value":"UHBAZYWJ","created_at":"2026-05-18T12:25:47Z"}],"graph_snapshots":[{"event_id":"sha256:104cb1f8d1c69e7497f71c13bf24fa58d2304a846ded5c50644130e03968c4ac","target":"graph","created_at":"2026-05-18T04:38:06Z","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":"A ring-imaging \\v{C}erenkov counter read out by a 100-channel PMT of active area 10$\\times$10 cm$^2$ was operated successfully in a test beam at the BNL AGS with several radiator gases, including the heavy fluorocarbon C$_4$F$_{10}$. Ring radii were measured for electrons, muons, pions and kaons over the particle momentum range from 2 to 12 GeV/$c$, and a best resolution of $\\sigma_r/r = 2.3\\%$ was obtained.","authors_text":"B. Moskowitz, F. Videbaek (Brookhaven National Laboratory), J. Norris, J. Olness, R. Debbe, S. Gushue","cross_cats":[],"headline":"","license":"","primary_cat":"hep-ex","submitted_at":"1995-03-08T18:49:14Z","title":"In-beam Tests of a Ring Imaging Cerenkov Detector With a Multianode Photomultiplier Readout"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-ex/9503006","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":"sha256:19ac76ec7de5c670a1ba549afdf19d95c82501648ad2197ef792ba1d9533fd83","target":"record","created_at":"2026-05-18T04:38:06Z","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":"6edce3c90b0de902ffc205f67118c51f0ae6d3f198735b8a9c730aa64d3ab5d4","cross_cats_sorted":[],"license":"","primary_cat":"hep-ex","submitted_at":"1995-03-08T18:49:14Z","title_canon_sha256":"4619200e16019498762fcc944d6f048b0481713bd862e188b7f895b11657fb35"},"schema_version":"1.0","source":{"id":"hep-ex/9503006","kind":"arxiv","version":1}},"canonical_sha256":"a1c20ce2c90fa5983ca951f38fb2fd36179f7dac066478fcd2dfb27019b2c2cf","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a1c20ce2c90fa5983ca951f38fb2fd36179f7dac066478fcd2dfb27019b2c2cf","first_computed_at":"2026-05-18T04:38:06.786950Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:38:06.786950Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"d6rh+vQxkuJ//zF6OprPXSejQDcq5qlIv+F9dNuARqlof9kJGOuRifGDmPGFdb/Z+q86esxr97CbGFjrLjGnDA==","signature_status":"signed_v1","signed_at":"2026-05-18T04:38:06.787451Z","signed_message":"canonical_sha256_bytes"},"source_id":"hep-ex/9503006","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:19ac76ec7de5c670a1ba549afdf19d95c82501648ad2197ef792ba1d9533fd83","sha256:104cb1f8d1c69e7497f71c13bf24fa58d2304a846ded5c50644130e03968c4ac"],"state_sha256":"7ee0a9b94cf8e41a01a5bc8b7b6cdbaef3c3040b094c76656a8c65fc5f93bace"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"hmZ91xIkTyjVKm/ydstUNZnw0BWxwcNXaJutoLtjUL1yzcZtKLG9X2dx4PV+4S8K5Sdvk6vZw1zbY24cl20ZBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-30T11:00:43.573517Z","bundle_sha256":"de1e389e1c046cfd3be1459b8a902dd2d67778994e668b296d176b29e15493c3"}}