{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2008:DBCKT2MK6OLPCVFUV4GS3FA4F2","short_pith_number":"pith:DBCKT2MK","schema_version":"1.0","canonical_sha256":"1844a9e98af396f154b4af0d2d941c2e976fa66e7b308434c1cc6413e10463d1","source":{"kind":"arxiv","id":"0810.3562","version":2},"attestation_state":"computed","paper":{"title":"The Fermi Gamma Ray Space Telescope discovers the Pulsar in the Young Galactic Supernova-Remnant CTA 1","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"Fermi LAT collaboration","submitted_at":"2008-10-20T14:05:04Z","abstract_excerpt":"Energetic young pulsars and expanding blast waves (supernova remnants, SNRs) are the most visible remains after massive stars, ending their lives, explode in core-collapse supernovae. The Fermi Gamma-Ray Space Telescope has unveiled a radio quiet pulsar located near the center of the compact synchrotron nebula inside the supernova remnant CTA 1. The pulsar, discovered through its gamma-ray pulsations, has a period of 316.86 ms, a period derivative of 3.614 x 10-13 s s-1 . Its characteristic age of 104 years is comparable to that estimated for the SNR. It is conjectured that most unidentified G"},"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":"0810.3562","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph","submitted_at":"2008-10-20T14:05:04Z","cross_cats_sorted":[],"title_canon_sha256":"56019f43851828b4bd3f08357ec5c00b17a77aa1f82e821c96fc9d5a0c2eb763","abstract_canon_sha256":"2a41a5ee3516d30c274c81e2a68a8d7afd55b24eb9dd01c1337ce054e2593994"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:48:03.142637Z","signature_b64":"/lAKZdm7W59WuSF/Mo/hLpMobuiAHmbG3z0IJ9U5taUmfSCB2zyDuX9+VCTf1FjiZb8ZiSdWayzeVKNtaDIBDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1844a9e98af396f154b4af0d2d941c2e976fa66e7b308434c1cc6413e10463d1","last_reissued_at":"2026-05-18T03:48:03.142222Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:48:03.142222Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"The Fermi Gamma Ray Space Telescope discovers the Pulsar in the Young Galactic Supernova-Remnant CTA 1","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"Fermi LAT collaboration","submitted_at":"2008-10-20T14:05:04Z","abstract_excerpt":"Energetic young pulsars and expanding blast waves (supernova remnants, SNRs) are the most visible remains after massive stars, ending their lives, explode in core-collapse supernovae. The Fermi Gamma-Ray Space Telescope has unveiled a radio quiet pulsar located near the center of the compact synchrotron nebula inside the supernova remnant CTA 1. The pulsar, discovered through its gamma-ray pulsations, has a period of 316.86 ms, a period derivative of 3.614 x 10-13 s s-1 . Its characteristic age of 104 years is comparable to that estimated for the SNR. It is conjectured that most unidentified G"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0810.3562","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"},"aliases":[{"alias_kind":"arxiv","alias_value":"0810.3562","created_at":"2026-05-18T03:48:03.142280+00:00"},{"alias_kind":"arxiv_version","alias_value":"0810.3562v2","created_at":"2026-05-18T03:48:03.142280+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0810.3562","created_at":"2026-05-18T03:48:03.142280+00:00"},{"alias_kind":"pith_short_12","alias_value":"DBCKT2MK6OLP","created_at":"2026-05-18T12:25:57.157939+00:00"},{"alias_kind":"pith_short_16","alias_value":"DBCKT2MK6OLPCVFU","created_at":"2026-05-18T12:25:57.157939+00:00"},{"alias_kind":"pith_short_8","alias_value":"DBCKT2MK","created_at":"2026-05-18T12:25:57.157939+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/DBCKT2MK6OLPCVFUV4GS3FA4F2","json":"https://pith.science/pith/DBCKT2MK6OLPCVFUV4GS3FA4F2.json","graph_json":"https://pith.science/api/pith-number/DBCKT2MK6OLPCVFUV4GS3FA4F2/graph.json","events_json":"https://pith.science/api/pith-number/DBCKT2MK6OLPCVFUV4GS3FA4F2/events.json","paper":"https://pith.science/paper/DBCKT2MK"},"agent_actions":{"view_html":"https://pith.science/pith/DBCKT2MK6OLPCVFUV4GS3FA4F2","download_json":"https://pith.science/pith/DBCKT2MK6OLPCVFUV4GS3FA4F2.json","view_paper":"https://pith.science/paper/DBCKT2MK","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=0810.3562&json=true","fetch_graph":"https://pith.science/api/pith-number/DBCKT2MK6OLPCVFUV4GS3FA4F2/graph.json","fetch_events":"https://pith.science/api/pith-number/DBCKT2MK6OLPCVFUV4GS3FA4F2/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/DBCKT2MK6OLPCVFUV4GS3FA4F2/action/timestamp_anchor","attest_storage":"https://pith.science/pith/DBCKT2MK6OLPCVFUV4GS3FA4F2/action/storage_attestation","attest_author":"https://pith.science/pith/DBCKT2MK6OLPCVFUV4GS3FA4F2/action/author_attestation","sign_citation":"https://pith.science/pith/DBCKT2MK6OLPCVFUV4GS3FA4F2/action/citation_signature","submit_replication":"https://pith.science/pith/DBCKT2MK6OLPCVFUV4GS3FA4F2/action/replication_record"}},"created_at":"2026-05-18T03:48:03.142280+00:00","updated_at":"2026-05-18T03:48:03.142280+00:00"}