{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:37OTBZEZD52PVZKA3A4P36KS7J","short_pith_number":"pith:37OTBZEZ","canonical_record":{"source":{"id":"1104.4900","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2011-04-26T12:35:10Z","cross_cats_sorted":[],"title_canon_sha256":"9bed1ba95ae7e63e9ab82b2b9e5c4e1ef24dc770c886af7b5924de52d019b676","abstract_canon_sha256":"2720f813f993558ff6c477d8426933ef9066d762df37a1668ddbc4fa13210fad"},"schema_version":"1.0"},"canonical_sha256":"dfdd30e4991f74fae540d838fdf952fa64e0c6428c5166195a153e0fc60020d2","source":{"kind":"arxiv","id":"1104.4900","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1104.4900","created_at":"2026-05-18T02:02:14Z"},{"alias_kind":"arxiv_version","alias_value":"1104.4900v1","created_at":"2026-05-18T02:02:14Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1104.4900","created_at":"2026-05-18T02:02:14Z"},{"alias_kind":"pith_short_12","alias_value":"37OTBZEZD52P","created_at":"2026-05-18T12:26:18Z"},{"alias_kind":"pith_short_16","alias_value":"37OTBZEZD52PVZKA","created_at":"2026-05-18T12:26:18Z"},{"alias_kind":"pith_short_8","alias_value":"37OTBZEZ","created_at":"2026-05-18T12:26:18Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:37OTBZEZD52PVZKA3A4P36KS7J","target":"record","payload":{"canonical_record":{"source":{"id":"1104.4900","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2011-04-26T12:35:10Z","cross_cats_sorted":[],"title_canon_sha256":"9bed1ba95ae7e63e9ab82b2b9e5c4e1ef24dc770c886af7b5924de52d019b676","abstract_canon_sha256":"2720f813f993558ff6c477d8426933ef9066d762df37a1668ddbc4fa13210fad"},"schema_version":"1.0"},"canonical_sha256":"dfdd30e4991f74fae540d838fdf952fa64e0c6428c5166195a153e0fc60020d2","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:02:14.853562Z","signature_b64":"L5pngqmcNb+Y7yu0Nm4h+v+S9SY9P4X04xX72ZrlUharU2sv5zK5K2AE2loTzrQDwODa068l04BuLwRjj7qnDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"dfdd30e4991f74fae540d838fdf952fa64e0c6428c5166195a153e0fc60020d2","last_reissued_at":"2026-05-18T02:02:14.852863Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:02:14.852863Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1104.4900","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":"2026-05-18T02:02:14Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"sjMHc5zVLbO511dF6CH/ZDdpvo8V9I0XsfTjlS39z28tz+jAtU4TqEjjvll/E5vtGvbnlr+bWLkM9G99L0nFBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T22:54:58.823585Z"},"content_sha256":"d30403c02047693cc606743a16c4549cc6dd77821b07bb0e1015ca23bb281109","schema_version":"1.0","event_id":"sha256:d30403c02047693cc606743a16c4549cc6dd77821b07bb0e1015ca23bb281109"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:37OTBZEZD52PVZKA3A4P36KS7J","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Detection of fast radio transients with multiple stations: a case study using the Very Long Baseline Array","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.IM","authors_text":"Adam T. Deller, David R. Thompson, Kiri L. Wagstaff, Randall B. Wayth, Steven J. Tingay, Walid A. Majid, Walter Brisken","submitted_at":"2011-04-26T12:35:10Z","abstract_excerpt":"Recent investigations reveal an important new class of transient radio phenomena that occur on sub-millisecond timescales. Often transient surveys' data volumes are too large to archive exhaustively. Instead, an on-line automatic system must excise impulsive interference and detect candidate events in real-time. This work presents a case study using data from multiple geographically distributed stations to perform simultaneous interference excision and transient detection. We present several algorithms that incorporate dedispersed data from multiple sites, and report experiments with a commens"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1104.4900","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":"2026-05-18T02:02:14Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"zZ1tha21MCIrtqc+aeFvpftLR92+cGOvxjhwHc39XkQ03O3kgSveMjQI7V2LgMNt2Y5DEFj23WOMjJIliDU6Cw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T22:54:58.824326Z"},"content_sha256":"c6e4b346efb068e3bf37a43e3e0d4bec28099b0d8f0716d1e579995d86041a3a","schema_version":"1.0","event_id":"sha256:c6e4b346efb068e3bf37a43e3e0d4bec28099b0d8f0716d1e579995d86041a3a"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/37OTBZEZD52PVZKA3A4P36KS7J/bundle.json","state_url":"https://pith.science/pith/37OTBZEZD52PVZKA3A4P36KS7J/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/37OTBZEZD52PVZKA3A4P36KS7J/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":"2026-05-25T22:54:58Z","links":{"resolver":"https://pith.science/pith/37OTBZEZD52PVZKA3A4P36KS7J","bundle":"https://pith.science/pith/37OTBZEZD52PVZKA3A4P36KS7J/bundle.json","state":"https://pith.science/pith/37OTBZEZD52PVZKA3A4P36KS7J/state.json","well_known_bundle":"https://pith.science/.well-known/pith/37OTBZEZD52PVZKA3A4P36KS7J/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:37OTBZEZD52PVZKA3A4P36KS7J","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":"2720f813f993558ff6c477d8426933ef9066d762df37a1668ddbc4fa13210fad","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2011-04-26T12:35:10Z","title_canon_sha256":"9bed1ba95ae7e63e9ab82b2b9e5c4e1ef24dc770c886af7b5924de52d019b676"},"schema_version":"1.0","source":{"id":"1104.4900","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1104.4900","created_at":"2026-05-18T02:02:14Z"},{"alias_kind":"arxiv_version","alias_value":"1104.4900v1","created_at":"2026-05-18T02:02:14Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1104.4900","created_at":"2026-05-18T02:02:14Z"},{"alias_kind":"pith_short_12","alias_value":"37OTBZEZD52P","created_at":"2026-05-18T12:26:18Z"},{"alias_kind":"pith_short_16","alias_value":"37OTBZEZD52PVZKA","created_at":"2026-05-18T12:26:18Z"},{"alias_kind":"pith_short_8","alias_value":"37OTBZEZ","created_at":"2026-05-18T12:26:18Z"}],"graph_snapshots":[{"event_id":"sha256:c6e4b346efb068e3bf37a43e3e0d4bec28099b0d8f0716d1e579995d86041a3a","target":"graph","created_at":"2026-05-18T02:02:14Z","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"},"paper":{"abstract_excerpt":"Recent investigations reveal an important new class of transient radio phenomena that occur on sub-millisecond timescales. Often transient surveys' data volumes are too large to archive exhaustively. Instead, an on-line automatic system must excise impulsive interference and detect candidate events in real-time. This work presents a case study using data from multiple geographically distributed stations to perform simultaneous interference excision and transient detection. We present several algorithms that incorporate dedispersed data from multiple sites, and report experiments with a commens","authors_text":"Adam T. Deller, David R. Thompson, Kiri L. Wagstaff, Randall B. Wayth, Steven J. Tingay, Walid A. Majid, Walter Brisken","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2011-04-26T12:35:10Z","title":"Detection of fast radio transients with multiple stations: a case study using the Very Long Baseline Array"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1104.4900","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:d30403c02047693cc606743a16c4549cc6dd77821b07bb0e1015ca23bb281109","target":"record","created_at":"2026-05-18T02:02:14Z","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":"2720f813f993558ff6c477d8426933ef9066d762df37a1668ddbc4fa13210fad","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2011-04-26T12:35:10Z","title_canon_sha256":"9bed1ba95ae7e63e9ab82b2b9e5c4e1ef24dc770c886af7b5924de52d019b676"},"schema_version":"1.0","source":{"id":"1104.4900","kind":"arxiv","version":1}},"canonical_sha256":"dfdd30e4991f74fae540d838fdf952fa64e0c6428c5166195a153e0fc60020d2","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"dfdd30e4991f74fae540d838fdf952fa64e0c6428c5166195a153e0fc60020d2","first_computed_at":"2026-05-18T02:02:14.852863Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:02:14.852863Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"L5pngqmcNb+Y7yu0Nm4h+v+S9SY9P4X04xX72ZrlUharU2sv5zK5K2AE2loTzrQDwODa068l04BuLwRjj7qnDQ==","signature_status":"signed_v1","signed_at":"2026-05-18T02:02:14.853562Z","signed_message":"canonical_sha256_bytes"},"source_id":"1104.4900","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d30403c02047693cc606743a16c4549cc6dd77821b07bb0e1015ca23bb281109","sha256:c6e4b346efb068e3bf37a43e3e0d4bec28099b0d8f0716d1e579995d86041a3a"],"state_sha256":"02e0b90871ecf070e9f450d2700ffd546ab21fa4031f2c512b6a5049eee742b6"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"xexPN4HhPXRWeZtN8cyU0H+K7qrrBYs62G3Tb6HZt/v4iQkwtFTmTmnqs/QpD46nqr1Ovh3Tf18nyNLvTYtSAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T22:54:58.828363Z","bundle_sha256":"dfc2aaf4f652d1a3b10293e817f6ade5b947beb038392499865c69055566cb7c"}}