{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:1999:7GHYBAUDAFEHKN73AI5VL4DS5F","short_pith_number":"pith:7GHYBAUD","schema_version":"1.0","canonical_sha256":"f98f80828301487537fb023b55f072e9503f965e12794292b0ec59385b509cda","source":{"kind":"arxiv","id":"astro-ph/9912520","version":1},"attestation_state":"computed","paper":{"title":"Search for Pulsed TeV Gamma-ray Emission from the Crab Pulsar","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"A.M. Burdett, A.M. Hillas, C. Masterson, D.A. Carter-Lewis, D.J. Fegan, F. Krennrich, F.W. Samuelson, G.H. Gillanders, G.H. Sembroski, H.J. Rose, I.H. Bond, J.A. Gaidos, J.H. Buckley, J.P. Finley, J. Quinn, M. Catanese, M. D'Vali, M.F. Cawley, M.J. Lang, P. Moriarty, R. Srinivasan, R.W. Lessard, S.M. Bradbury, T.C. Weekes, T. Hall, V.V. Vassiliev","submitted_at":"1999-12-27T16:45:16Z","abstract_excerpt":"We present the results of a search for pulsed TeV emission from the Crab pulsar using the Whipple Observatory's 10 m gamma-ray telescope. The direction of the Crab pulsar was observed for a total of 73.4 hours between 1994 November and 1997 March. During this period the Whipple 10 m telescope was operated at its lowest energy threshold to date. Spectral analysis techniques were applied to search for the presence of a gamma-ray signal from the Crab pulsar over the energy band 250 GeV to 4 TeV. We do not see any evidence of the 33 ms pulsations present in other energy bands from the Crab pulsar."},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"astro-ph/9912520","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"1999-12-27T16:45:16Z","cross_cats_sorted":[],"title_canon_sha256":"7cf2de88e03c3706e17d8325081a92fcdb9d91e21beb6b273c8912ec49c68fb7","abstract_canon_sha256":"c21e4835229d89ffd03e2d75cf2473108c9e930c34fefc46cc03ed845263bab7"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T16:12:04.142679Z","signature_b64":"u9TVJYgNTWyOx9jqnIEvm3/ZoLsru6NLM1cGB5YlMC2wt2ah3RWhDFtR5ukyfAyMylyy5+nFcUkKfrG8Wbq9Cg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f98f80828301487537fb023b55f072e9503f965e12794292b0ec59385b509cda","last_reissued_at":"2026-07-04T16:12:04.142255Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T16:12:04.142255Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Search for Pulsed TeV Gamma-ray Emission from the Crab Pulsar","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"A.M. Burdett, A.M. Hillas, C. Masterson, D.A. Carter-Lewis, D.J. Fegan, F. Krennrich, F.W. Samuelson, G.H. Gillanders, G.H. Sembroski, H.J. Rose, I.H. Bond, J.A. Gaidos, J.H. Buckley, J.P. Finley, J. Quinn, M. Catanese, M. D'Vali, M.F. Cawley, M.J. Lang, P. Moriarty, R. Srinivasan, R.W. Lessard, S.M. Bradbury, T.C. Weekes, T. Hall, V.V. Vassiliev","submitted_at":"1999-12-27T16:45:16Z","abstract_excerpt":"We present the results of a search for pulsed TeV emission from the Crab pulsar using the Whipple Observatory's 10 m gamma-ray telescope. The direction of the Crab pulsar was observed for a total of 73.4 hours between 1994 November and 1997 March. During this period the Whipple 10 m telescope was operated at its lowest energy threshold to date. Spectral analysis techniques were applied to search for the presence of a gamma-ray signal from the Crab pulsar over the energy band 250 GeV to 4 TeV. We do not see any evidence of the 33 ms pulsations present in other energy bands from the Crab pulsar."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/9912520","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/astro-ph/9912520/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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"},"aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/9912520","created_at":"2026-07-04T16:12:04.142321+00:00"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/9912520v1","created_at":"2026-07-04T16:12:04.142321+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/9912520","created_at":"2026-07-04T16:12:04.142321+00:00"},{"alias_kind":"pith_short_12","alias_value":"7GHYBAUDAFEH","created_at":"2026-07-04T16:12:04.142321+00:00"},{"alias_kind":"pith_short_16","alias_value":"7GHYBAUDAFEHKN73","created_at":"2026-07-04T16:12:04.142321+00:00"},{"alias_kind":"pith_short_8","alias_value":"7GHYBAUD","created_at":"2026-07-04T16:12:04.142321+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/7GHYBAUDAFEHKN73AI5VL4DS5F","json":"https://pith.science/pith/7GHYBAUDAFEHKN73AI5VL4DS5F.json","graph_json":"https://pith.science/api/pith-number/7GHYBAUDAFEHKN73AI5VL4DS5F/graph.json","events_json":"https://pith.science/api/pith-number/7GHYBAUDAFEHKN73AI5VL4DS5F/events.json","paper":"https://pith.science/paper/7GHYBAUD"},"agent_actions":{"view_html":"https://pith.science/pith/7GHYBAUDAFEHKN73AI5VL4DS5F","download_json":"https://pith.science/pith/7GHYBAUDAFEHKN73AI5VL4DS5F.json","view_paper":"https://pith.science/paper/7GHYBAUD","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=astro-ph/9912520&json=true","fetch_graph":"https://pith.science/api/pith-number/7GHYBAUDAFEHKN73AI5VL4DS5F/graph.json","fetch_events":"https://pith.science/api/pith-number/7GHYBAUDAFEHKN73AI5VL4DS5F/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/7GHYBAUDAFEHKN73AI5VL4DS5F/action/timestamp_anchor","attest_storage":"https://pith.science/pith/7GHYBAUDAFEHKN73AI5VL4DS5F/action/storage_attestation","attest_author":"https://pith.science/pith/7GHYBAUDAFEHKN73AI5VL4DS5F/action/author_attestation","sign_citation":"https://pith.science/pith/7GHYBAUDAFEHKN73AI5VL4DS5F/action/citation_signature","submit_replication":"https://pith.science/pith/7GHYBAUDAFEHKN73AI5VL4DS5F/action/replication_record"}},"created_at":"2026-07-04T16:12:04.142321+00:00","updated_at":"2026-07-04T16:12:04.142321+00:00"}