{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:XZPM6AKZ2CCX5NGIYXT4WH4THK","short_pith_number":"pith:XZPM6AKZ","canonical_record":{"source":{"id":"1701.07457","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2017-01-25T19:34:49Z","cross_cats_sorted":[],"title_canon_sha256":"d95835c79210d5caf4ccf4b6c1e75022ca5bfb7cc8b1909e75d50666422d062c","abstract_canon_sha256":"b411b57a24d9f847447f0444d248919b57bd85f1fc174f2fa4a05cbef3051727"},"schema_version":"1.0"},"canonical_sha256":"be5ecf0159d0857eb4c8c5e7cb1f933a9d33c590d107f0840d3b37384a791959","source":{"kind":"arxiv","id":"1701.07457","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1701.07457","created_at":"2026-05-18T00:38:36Z"},{"alias_kind":"arxiv_version","alias_value":"1701.07457v2","created_at":"2026-05-18T00:38:36Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1701.07457","created_at":"2026-05-18T00:38:36Z"},{"alias_kind":"pith_short_12","alias_value":"XZPM6AKZ2CCX","created_at":"2026-05-18T12:31:56Z"},{"alias_kind":"pith_short_16","alias_value":"XZPM6AKZ2CCX5NGI","created_at":"2026-05-18T12:31:56Z"},{"alias_kind":"pith_short_8","alias_value":"XZPM6AKZ","created_at":"2026-05-18T12:31:56Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:XZPM6AKZ2CCX5NGIYXT4WH4THK","target":"record","payload":{"canonical_record":{"source":{"id":"1701.07457","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2017-01-25T19:34:49Z","cross_cats_sorted":[],"title_canon_sha256":"d95835c79210d5caf4ccf4b6c1e75022ca5bfb7cc8b1909e75d50666422d062c","abstract_canon_sha256":"b411b57a24d9f847447f0444d248919b57bd85f1fc174f2fa4a05cbef3051727"},"schema_version":"1.0"},"canonical_sha256":"be5ecf0159d0857eb4c8c5e7cb1f933a9d33c590d107f0840d3b37384a791959","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:38:36.074523Z","signature_b64":"tmvcs5HVx+M79EbnSNXeEZ+BlkSrGhcgYVlJhiQyX5SN5qzZSE+pofRSXrE8dSGxCeGFa/nK7kUMum+wJ06VCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"be5ecf0159d0857eb4c8c5e7cb1f933a9d33c590d107f0840d3b37384a791959","last_reissued_at":"2026-05-18T00:38:36.074045Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:38:36.074045Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1701.07457","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:38:36Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"CR1Q+O9LNXNSQIpQV0k/S9MZJ5qcVbUTRUZ13tQxVPgwmnMgRaLRGfiUrN40mJTdqb+eKplONQKj/IJHnAthDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T08:52:31.848917Z"},"content_sha256":"76a6f505e9538b9921dd43a88fac575ecb666ae76c0f6b090ad4aa42b25d0da9","schema_version":"1.0","event_id":"sha256:76a6f505e9538b9921dd43a88fac575ecb666ae76c0f6b090ad4aa42b25d0da9"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:XZPM6AKZ2CCX5NGIYXT4WH4THK","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A Search for Fast Radio Bursts with the GBNCC Pulsar Survey","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"A. Josephy, A. M. Archibald, C. Karako-Argaman, D. L. Kaplan, D. R. Lorimer, I. H. Stairs, J. K. Swiggum, J. van Leeuwen, J. W. T. Hessels, K. M. Rajwade, K. Stovall, L. Levin, M. A. McLaughlin, M. E. DeCesar, M. S. E. Roberts, P. Chawla, R. S. Lynch, S. M. Ransom, V. I. Kondratiev, V. M. Kaspi","submitted_at":"2017-01-25T19:34:49Z","abstract_excerpt":"We report on a search for Fast Radio Bursts (FRBs) with the Green Bank Northern Celestial Cap (GBNCC) Pulsar Survey at 350 MHz. Pointings amounting to a total on-sky time of 61 days were searched to a DM of 3000 pc cm$^{-3}$ while the rest (23 days; 29% of the total time) were searched to a DM of 500 pc cm$^{-3}$. No FRBs were detected in the pointings observed through May 2016. We estimate a 95% confidence upper limit on the FRB rate of $3.6\\times 10^3$ FRBs sky$^{-1}$ day$^{-1}$ above a peak flux density of 0.63 Jy at 350 MHz for an intrinsic pulse width of 5 ms. We place constraints on the "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1701.07457","kind":"arxiv","version":2},"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":"2026-05-18T00:38:36Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"9Q3cddhhIoVSeUy0LPOkQdp8BSn6PrMFbO0x+wPgGRfpsEX4MOEa1g1Uf3+lr8aKCtiHRkhqKLqW0EFu/hHtCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T08:52:31.849591Z"},"content_sha256":"10db306e3ee829bd30321fd9786f9eaa93cb5620b73b6e5995b890f6770c3293","schema_version":"1.0","event_id":"sha256:10db306e3ee829bd30321fd9786f9eaa93cb5620b73b6e5995b890f6770c3293"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/XZPM6AKZ2CCX5NGIYXT4WH4THK/bundle.json","state_url":"https://pith.science/pith/XZPM6AKZ2CCX5NGIYXT4WH4THK/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/XZPM6AKZ2CCX5NGIYXT4WH4THK/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":"2026-05-25T08:52:31Z","links":{"resolver":"https://pith.science/pith/XZPM6AKZ2CCX5NGIYXT4WH4THK","bundle":"https://pith.science/pith/XZPM6AKZ2CCX5NGIYXT4WH4THK/bundle.json","state":"https://pith.science/pith/XZPM6AKZ2CCX5NGIYXT4WH4THK/state.json","well_known_bundle":"https://pith.science/.well-known/pith/XZPM6AKZ2CCX5NGIYXT4WH4THK/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:XZPM6AKZ2CCX5NGIYXT4WH4THK","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":"b411b57a24d9f847447f0444d248919b57bd85f1fc174f2fa4a05cbef3051727","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2017-01-25T19:34:49Z","title_canon_sha256":"d95835c79210d5caf4ccf4b6c1e75022ca5bfb7cc8b1909e75d50666422d062c"},"schema_version":"1.0","source":{"id":"1701.07457","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1701.07457","created_at":"2026-05-18T00:38:36Z"},{"alias_kind":"arxiv_version","alias_value":"1701.07457v2","created_at":"2026-05-18T00:38:36Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1701.07457","created_at":"2026-05-18T00:38:36Z"},{"alias_kind":"pith_short_12","alias_value":"XZPM6AKZ2CCX","created_at":"2026-05-18T12:31:56Z"},{"alias_kind":"pith_short_16","alias_value":"XZPM6AKZ2CCX5NGI","created_at":"2026-05-18T12:31:56Z"},{"alias_kind":"pith_short_8","alias_value":"XZPM6AKZ","created_at":"2026-05-18T12:31:56Z"}],"graph_snapshots":[{"event_id":"sha256:10db306e3ee829bd30321fd9786f9eaa93cb5620b73b6e5995b890f6770c3293","target":"graph","created_at":"2026-05-18T00:38:36Z","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":"We report on a search for Fast Radio Bursts (FRBs) with the Green Bank Northern Celestial Cap (GBNCC) Pulsar Survey at 350 MHz. Pointings amounting to a total on-sky time of 61 days were searched to a DM of 3000 pc cm$^{-3}$ while the rest (23 days; 29% of the total time) were searched to a DM of 500 pc cm$^{-3}$. No FRBs were detected in the pointings observed through May 2016. We estimate a 95% confidence upper limit on the FRB rate of $3.6\\times 10^3$ FRBs sky$^{-1}$ day$^{-1}$ above a peak flux density of 0.63 Jy at 350 MHz for an intrinsic pulse width of 5 ms. We place constraints on the ","authors_text":"A. Josephy, A. M. Archibald, C. Karako-Argaman, D. L. Kaplan, D. R. Lorimer, I. H. Stairs, J. K. Swiggum, J. van Leeuwen, J. W. T. Hessels, K. M. Rajwade, K. Stovall, L. Levin, M. A. McLaughlin, M. E. DeCesar, M. S. E. Roberts, P. Chawla, R. S. Lynch, S. M. Ransom, V. I. Kondratiev, V. M. Kaspi","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2017-01-25T19:34:49Z","title":"A Search for Fast Radio Bursts with the GBNCC Pulsar Survey"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1701.07457","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":"sha256:76a6f505e9538b9921dd43a88fac575ecb666ae76c0f6b090ad4aa42b25d0da9","target":"record","created_at":"2026-05-18T00:38:36Z","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":"b411b57a24d9f847447f0444d248919b57bd85f1fc174f2fa4a05cbef3051727","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2017-01-25T19:34:49Z","title_canon_sha256":"d95835c79210d5caf4ccf4b6c1e75022ca5bfb7cc8b1909e75d50666422d062c"},"schema_version":"1.0","source":{"id":"1701.07457","kind":"arxiv","version":2}},"canonical_sha256":"be5ecf0159d0857eb4c8c5e7cb1f933a9d33c590d107f0840d3b37384a791959","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"be5ecf0159d0857eb4c8c5e7cb1f933a9d33c590d107f0840d3b37384a791959","first_computed_at":"2026-05-18T00:38:36.074045Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:38:36.074045Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"tmvcs5HVx+M79EbnSNXeEZ+BlkSrGhcgYVlJhiQyX5SN5qzZSE+pofRSXrE8dSGxCeGFa/nK7kUMum+wJ06VCQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:38:36.074523Z","signed_message":"canonical_sha256_bytes"},"source_id":"1701.07457","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:76a6f505e9538b9921dd43a88fac575ecb666ae76c0f6b090ad4aa42b25d0da9","sha256:10db306e3ee829bd30321fd9786f9eaa93cb5620b73b6e5995b890f6770c3293"],"state_sha256":"60c56b44151ea689cea28e69387a8a9b31a9623aede6395ac604637c7c3774d0"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"DDg+HA5eSvCjcMyUtiS7RRCrKjLUGnNJXn87OZ+Y4PZVSY/oTUNerZOBQO3jGFAxUdBemK3vEcQi/xhk7KGhAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T08:52:31.853053Z","bundle_sha256":"d417faec268ac721f17cf737ee353fb9818bcdb971a7d4303427ff3ef5536c65"}}