{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:XTYFU2UQYYOZQNKDJB5FD5YQ3K","short_pith_number":"pith:XTYFU2UQ","canonical_record":{"source":{"id":"1608.03453","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.acc-ph","submitted_at":"2016-08-11T13:24:19Z","cross_cats_sorted":["hep-ex","physics.ins-det"],"title_canon_sha256":"ebe26bc48ce7584b55e73ef1a0708d69c7a1b87872d1bf7e6bc923f8ac4e3593","abstract_canon_sha256":"3741066923eb2714a8651f9e9399baefcd401295dc38def9250f27042445a111"},"schema_version":"1.0"},"canonical_sha256":"bcf05a6a90c61d983543487a51f710dab7726a8d8cac9d527559b7530bd0b287","source":{"kind":"arxiv","id":"1608.03453","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1608.03453","created_at":"2026-05-18T01:09:28Z"},{"alias_kind":"arxiv_version","alias_value":"1608.03453v1","created_at":"2026-05-18T01:09:28Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1608.03453","created_at":"2026-05-18T01:09:28Z"},{"alias_kind":"pith_short_12","alias_value":"XTYFU2UQYYOZ","created_at":"2026-05-18T12:30:51Z"},{"alias_kind":"pith_short_16","alias_value":"XTYFU2UQYYOZQNKD","created_at":"2026-05-18T12:30:51Z"},{"alias_kind":"pith_short_8","alias_value":"XTYFU2UQ","created_at":"2026-05-18T12:30:51Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:XTYFU2UQYYOZQNKDJB5FD5YQ3K","target":"record","payload":{"canonical_record":{"source":{"id":"1608.03453","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.acc-ph","submitted_at":"2016-08-11T13:24:19Z","cross_cats_sorted":["hep-ex","physics.ins-det"],"title_canon_sha256":"ebe26bc48ce7584b55e73ef1a0708d69c7a1b87872d1bf7e6bc923f8ac4e3593","abstract_canon_sha256":"3741066923eb2714a8651f9e9399baefcd401295dc38def9250f27042445a111"},"schema_version":"1.0"},"canonical_sha256":"bcf05a6a90c61d983543487a51f710dab7726a8d8cac9d527559b7530bd0b287","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:09:28.901616Z","signature_b64":"epifBTaN0ddVE9TvSIvlYcFom2vFUnz8+6yDKpymVVPMGe0//Ftt7FAxlOZd/gzYU7LTeEZgIgcPHW64DHVhBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"bcf05a6a90c61d983543487a51f710dab7726a8d8cac9d527559b7530bd0b287","last_reissued_at":"2026-05-18T01:09:28.901202Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:09:28.901202Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1608.03453","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":"2026-05-18T01:09:28Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"PNcKJiEzRoqhCZQn6pwRcuWwq8GhQEx0m0gauWZ2qxJM0cib78c2+peV5J2BDpKBFvFIVDZPrT6n/erjAsNXCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T09:53:28.857228Z"},"content_sha256":"8091fcce9eb808477b8442f2cafcf5e9b0254ec885527e4aeb6a57596c90c834","schema_version":"1.0","event_id":"sha256:8091fcce9eb808477b8442f2cafcf5e9b0254ec885527e4aeb6a57596c90c834"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:XTYFU2UQYYOZQNKDJB5FD5YQ3K","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Muon Beam at the Fermilab Test Beam Area","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ex","physics.ins-det"],"primary_cat":"physics.acc-ph","authors_text":"Dmitri Denisov, Predrag Uji\\'c, Strahinja Luki\\'c, Valery Evdokimov","submitted_at":"2016-08-11T13:24:19Z","abstract_excerpt":"The intensities and profiles of the muon beam behind the beam dump of the Fermilab test beam area when the facility is running in the \"pion\" beam mode are measured and summarized in this note. This muon beam with momenta in the range 10 - 50 GeV/c provides an opportunity to perform various measurements in parallel with other users of the test beam area."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1608.03453","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":"2026-05-18T01:09:28Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"1beF9bdaitpi5J7BSP1cNflKKv73a4uOAn0FvxvccZXV3mLK1N23mOVEDbSWannwbc1X6aZpEXFGukMx111SDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T09:53:28.857586Z"},"content_sha256":"f183d45df2fd42641aa3cdcd78fa275761146c5da4c5eb36101ce41a12849e7e","schema_version":"1.0","event_id":"sha256:f183d45df2fd42641aa3cdcd78fa275761146c5da4c5eb36101ce41a12849e7e"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/XTYFU2UQYYOZQNKDJB5FD5YQ3K/bundle.json","state_url":"https://pith.science/pith/XTYFU2UQYYOZQNKDJB5FD5YQ3K/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/XTYFU2UQYYOZQNKDJB5FD5YQ3K/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":"2026-06-03T09:53:28Z","links":{"resolver":"https://pith.science/pith/XTYFU2UQYYOZQNKDJB5FD5YQ3K","bundle":"https://pith.science/pith/XTYFU2UQYYOZQNKDJB5FD5YQ3K/bundle.json","state":"https://pith.science/pith/XTYFU2UQYYOZQNKDJB5FD5YQ3K/state.json","well_known_bundle":"https://pith.science/.well-known/pith/XTYFU2UQYYOZQNKDJB5FD5YQ3K/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:XTYFU2UQYYOZQNKDJB5FD5YQ3K","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":"3741066923eb2714a8651f9e9399baefcd401295dc38def9250f27042445a111","cross_cats_sorted":["hep-ex","physics.ins-det"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.acc-ph","submitted_at":"2016-08-11T13:24:19Z","title_canon_sha256":"ebe26bc48ce7584b55e73ef1a0708d69c7a1b87872d1bf7e6bc923f8ac4e3593"},"schema_version":"1.0","source":{"id":"1608.03453","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1608.03453","created_at":"2026-05-18T01:09:28Z"},{"alias_kind":"arxiv_version","alias_value":"1608.03453v1","created_at":"2026-05-18T01:09:28Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1608.03453","created_at":"2026-05-18T01:09:28Z"},{"alias_kind":"pith_short_12","alias_value":"XTYFU2UQYYOZ","created_at":"2026-05-18T12:30:51Z"},{"alias_kind":"pith_short_16","alias_value":"XTYFU2UQYYOZQNKD","created_at":"2026-05-18T12:30:51Z"},{"alias_kind":"pith_short_8","alias_value":"XTYFU2UQ","created_at":"2026-05-18T12:30:51Z"}],"graph_snapshots":[{"event_id":"sha256:f183d45df2fd42641aa3cdcd78fa275761146c5da4c5eb36101ce41a12849e7e","target":"graph","created_at":"2026-05-18T01:09:28Z","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 intensities and profiles of the muon beam behind the beam dump of the Fermilab test beam area when the facility is running in the \"pion\" beam mode are measured and summarized in this note. This muon beam with momenta in the range 10 - 50 GeV/c provides an opportunity to perform various measurements in parallel with other users of the test beam area.","authors_text":"Dmitri Denisov, Predrag Uji\\'c, Strahinja Luki\\'c, Valery Evdokimov","cross_cats":["hep-ex","physics.ins-det"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.acc-ph","submitted_at":"2016-08-11T13:24:19Z","title":"Muon Beam at the Fermilab Test Beam Area"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1608.03453","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":"sha256:8091fcce9eb808477b8442f2cafcf5e9b0254ec885527e4aeb6a57596c90c834","target":"record","created_at":"2026-05-18T01:09:28Z","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":"3741066923eb2714a8651f9e9399baefcd401295dc38def9250f27042445a111","cross_cats_sorted":["hep-ex","physics.ins-det"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.acc-ph","submitted_at":"2016-08-11T13:24:19Z","title_canon_sha256":"ebe26bc48ce7584b55e73ef1a0708d69c7a1b87872d1bf7e6bc923f8ac4e3593"},"schema_version":"1.0","source":{"id":"1608.03453","kind":"arxiv","version":1}},"canonical_sha256":"bcf05a6a90c61d983543487a51f710dab7726a8d8cac9d527559b7530bd0b287","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"bcf05a6a90c61d983543487a51f710dab7726a8d8cac9d527559b7530bd0b287","first_computed_at":"2026-05-18T01:09:28.901202Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:09:28.901202Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"epifBTaN0ddVE9TvSIvlYcFom2vFUnz8+6yDKpymVVPMGe0//Ftt7FAxlOZd/gzYU7LTeEZgIgcPHW64DHVhBA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:09:28.901616Z","signed_message":"canonical_sha256_bytes"},"source_id":"1608.03453","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:8091fcce9eb808477b8442f2cafcf5e9b0254ec885527e4aeb6a57596c90c834","sha256:f183d45df2fd42641aa3cdcd78fa275761146c5da4c5eb36101ce41a12849e7e"],"state_sha256":"8b8b35b61ee58b8219edcbbf105e56ba5e8a7ccf230a680c0e7bf59cb57d4273"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"8tNFJKB0MasF2F1mlHUzrwseodMC0vEphzs7mrT5PeSB+CAy1gugDSI/FENneXRSpcRIwU+gvR1RDadaruIVCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-03T09:53:28.859500Z","bundle_sha256":"2ae73c6bdd17e869ebdf035477c1efcfcf0604a32689e4b11ba046e1341f8a37"}}