{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:L7TNEEBVKEYVXQ2WRO73NZHKVJ","short_pith_number":"pith:L7TNEEBV","canonical_record":{"source":{"id":"1312.5010","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.acc-ph","submitted_at":"2013-12-18T00:38:18Z","cross_cats_sorted":[],"title_canon_sha256":"9a68fd11bd769eaa4e86804ea7858537ed53f32930899a717cc334d0f7dcc590","abstract_canon_sha256":"89308305a89a8a2726d4b3b2db3ce5ac96e4d156ee62c85feca71b8afcd933b0"},"schema_version":"1.0"},"canonical_sha256":"5fe6d2103551315bc3568bbfb6e4eaaa536a74e505bb7abab0fa116cc93d6f4e","source":{"kind":"arxiv","id":"1312.5010","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1312.5010","created_at":"2026-05-18T03:04:16Z"},{"alias_kind":"arxiv_version","alias_value":"1312.5010v1","created_at":"2026-05-18T03:04:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1312.5010","created_at":"2026-05-18T03:04:16Z"},{"alias_kind":"pith_short_12","alias_value":"L7TNEEBVKEYV","created_at":"2026-05-18T12:27:51Z"},{"alias_kind":"pith_short_16","alias_value":"L7TNEEBVKEYVXQ2W","created_at":"2026-05-18T12:27:51Z"},{"alias_kind":"pith_short_8","alias_value":"L7TNEEBV","created_at":"2026-05-18T12:27:51Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:L7TNEEBVKEYVXQ2WRO73NZHKVJ","target":"record","payload":{"canonical_record":{"source":{"id":"1312.5010","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.acc-ph","submitted_at":"2013-12-18T00:38:18Z","cross_cats_sorted":[],"title_canon_sha256":"9a68fd11bd769eaa4e86804ea7858537ed53f32930899a717cc334d0f7dcc590","abstract_canon_sha256":"89308305a89a8a2726d4b3b2db3ce5ac96e4d156ee62c85feca71b8afcd933b0"},"schema_version":"1.0"},"canonical_sha256":"5fe6d2103551315bc3568bbfb6e4eaaa536a74e505bb7abab0fa116cc93d6f4e","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:04:16.581624Z","signature_b64":"QI7zyRuXHZSwFy4A5yoTyy/qVXiICpAweXEYroccfrgjcAP/KICj1EJC8c43sK1aKPBGs6tzqJuP7MQZ5hI1BA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5fe6d2103551315bc3568bbfb6e4eaaa536a74e505bb7abab0fa116cc93d6f4e","last_reissued_at":"2026-05-18T03:04:16.581201Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:04:16.581201Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1312.5010","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":"2026-05-18T03:04:16Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"rZJelaMNKbfvEAwwBGr4KqwR/G4n4Q2Ue7afbUnz+79u1eDsGcCRb85OBOcvLwQ4D10rcAIflrMqCJ2j5MQXCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T15:24:33.301718Z"},"content_sha256":"7f9452587f6622322e7bed12a86daeb5cef6c7a8d7ca7432e0393e7216cf3954","schema_version":"1.0","event_id":"sha256:7f9452587f6622322e7bed12a86daeb5cef6c7a8d7ca7432e0393e7216cf3954"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:L7TNEEBVKEYVXQ2WRO73NZHKVJ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Detection of coherent beam-beam modes with digitized beam position monitor signals","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.acc-ph","authors_text":"A. Valishev, G. Stancari, S. M. White","submitted_at":"2013-12-18T00:38:18Z","abstract_excerpt":"A system for bunch-by-bunch detection of transverse proton and antiproton coherent oscillations in the Fermilab Tevatron collider is described. It is based on the signal from a single beam-position monitor located in a region of the ring with large amplitude functions. The signal is digitized over a large number of turns and Fourier-analyzed offline with a dedicated algorithm. To enhance the signal, band-limited noise is applied to the beam for about 1 s. This excitation does not adversely affect the circulating beams even at high luminosities. The device has a response time of a few seconds, "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1312.5010","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":"2026-05-18T03:04:16Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"SCAYRNXJnbyuGDrtCD1biNTSjw38CYWc9QKTsru4Hw2fgn7g3+2KvMEu6z1QCI4UhsCQ8+KPF5MSOyNga6wlDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T15:24:33.302218Z"},"content_sha256":"f2759ab6c2a5296ad4445336e1a9ea20991183af4232a4d58614ac5fe9fd40f1","schema_version":"1.0","event_id":"sha256:f2759ab6c2a5296ad4445336e1a9ea20991183af4232a4d58614ac5fe9fd40f1"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/L7TNEEBVKEYVXQ2WRO73NZHKVJ/bundle.json","state_url":"https://pith.science/pith/L7TNEEBVKEYVXQ2WRO73NZHKVJ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/L7TNEEBVKEYVXQ2WRO73NZHKVJ/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":"2026-05-26T15:24:33Z","links":{"resolver":"https://pith.science/pith/L7TNEEBVKEYVXQ2WRO73NZHKVJ","bundle":"https://pith.science/pith/L7TNEEBVKEYVXQ2WRO73NZHKVJ/bundle.json","state":"https://pith.science/pith/L7TNEEBVKEYVXQ2WRO73NZHKVJ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/L7TNEEBVKEYVXQ2WRO73NZHKVJ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:L7TNEEBVKEYVXQ2WRO73NZHKVJ","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":"89308305a89a8a2726d4b3b2db3ce5ac96e4d156ee62c85feca71b8afcd933b0","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.acc-ph","submitted_at":"2013-12-18T00:38:18Z","title_canon_sha256":"9a68fd11bd769eaa4e86804ea7858537ed53f32930899a717cc334d0f7dcc590"},"schema_version":"1.0","source":{"id":"1312.5010","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1312.5010","created_at":"2026-05-18T03:04:16Z"},{"alias_kind":"arxiv_version","alias_value":"1312.5010v1","created_at":"2026-05-18T03:04:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1312.5010","created_at":"2026-05-18T03:04:16Z"},{"alias_kind":"pith_short_12","alias_value":"L7TNEEBVKEYV","created_at":"2026-05-18T12:27:51Z"},{"alias_kind":"pith_short_16","alias_value":"L7TNEEBVKEYVXQ2W","created_at":"2026-05-18T12:27:51Z"},{"alias_kind":"pith_short_8","alias_value":"L7TNEEBV","created_at":"2026-05-18T12:27:51Z"}],"graph_snapshots":[{"event_id":"sha256:f2759ab6c2a5296ad4445336e1a9ea20991183af4232a4d58614ac5fe9fd40f1","target":"graph","created_at":"2026-05-18T03:04:16Z","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 system for bunch-by-bunch detection of transverse proton and antiproton coherent oscillations in the Fermilab Tevatron collider is described. It is based on the signal from a single beam-position monitor located in a region of the ring with large amplitude functions. The signal is digitized over a large number of turns and Fourier-analyzed offline with a dedicated algorithm. To enhance the signal, band-limited noise is applied to the beam for about 1 s. This excitation does not adversely affect the circulating beams even at high luminosities. The device has a response time of a few seconds, ","authors_text":"A. Valishev, G. Stancari, S. M. White","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.acc-ph","submitted_at":"2013-12-18T00:38:18Z","title":"Detection of coherent beam-beam modes with digitized beam position monitor signals"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1312.5010","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":"sha256:7f9452587f6622322e7bed12a86daeb5cef6c7a8d7ca7432e0393e7216cf3954","target":"record","created_at":"2026-05-18T03:04:16Z","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":"89308305a89a8a2726d4b3b2db3ce5ac96e4d156ee62c85feca71b8afcd933b0","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.acc-ph","submitted_at":"2013-12-18T00:38:18Z","title_canon_sha256":"9a68fd11bd769eaa4e86804ea7858537ed53f32930899a717cc334d0f7dcc590"},"schema_version":"1.0","source":{"id":"1312.5010","kind":"arxiv","version":1}},"canonical_sha256":"5fe6d2103551315bc3568bbfb6e4eaaa536a74e505bb7abab0fa116cc93d6f4e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"5fe6d2103551315bc3568bbfb6e4eaaa536a74e505bb7abab0fa116cc93d6f4e","first_computed_at":"2026-05-18T03:04:16.581201Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:04:16.581201Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"QI7zyRuXHZSwFy4A5yoTyy/qVXiICpAweXEYroccfrgjcAP/KICj1EJC8c43sK1aKPBGs6tzqJuP7MQZ5hI1BA==","signature_status":"signed_v1","signed_at":"2026-05-18T03:04:16.581624Z","signed_message":"canonical_sha256_bytes"},"source_id":"1312.5010","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7f9452587f6622322e7bed12a86daeb5cef6c7a8d7ca7432e0393e7216cf3954","sha256:f2759ab6c2a5296ad4445336e1a9ea20991183af4232a4d58614ac5fe9fd40f1"],"state_sha256":"c5efc7258322b2eb280139c72502a279fed85be5ed8324811407dda30bb2a16c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Fwda5rmCuOh44ZwbfaVH1bo1PasVeOOPvd0u+Vjf1bgrAznb/51l5wmDUHVBgtddAuDlLuKFr5YrauNVfBKWAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T15:24:33.305243Z","bundle_sha256":"32bc25a54cc4b7a136ab932bdc3b28376e5a657ea0454b0b42a55035c00aadd4"}}