{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2004:742BM7LZL72EJOVZIDVULHZTVN","short_pith_number":"pith:742BM7LZ","canonical_record":{"source":{"id":"astro-ph/0407593","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2004-07-29T00:00:11Z","cross_cats_sorted":[],"title_canon_sha256":"d87698360aca0589eb1c116f6a5ddec20658139a881896561d665f5909189715","abstract_canon_sha256":"7a99c9ea540f2ff172bafe73716fa97441d96c7277c3fe6d24b10bfbaf10f204"},"schema_version":"1.0"},"canonical_sha256":"ff34167d795ff444bab940eb459f33ab70449256ba58cf42ff516d3e0a11971a","source":{"kind":"arxiv","id":"astro-ph/0407593","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0407593","created_at":"2026-07-04T16:44:23Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0407593v1","created_at":"2026-07-04T16:44:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0407593","created_at":"2026-07-04T16:44:23Z"},{"alias_kind":"pith_short_12","alias_value":"742BM7LZL72E","created_at":"2026-07-04T16:44:23Z"},{"alias_kind":"pith_short_16","alias_value":"742BM7LZL72EJOVZ","created_at":"2026-07-04T16:44:23Z"},{"alias_kind":"pith_short_8","alias_value":"742BM7LZ","created_at":"2026-07-04T16:44:23Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2004:742BM7LZL72EJOVZIDVULHZTVN","target":"record","payload":{"canonical_record":{"source":{"id":"astro-ph/0407593","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2004-07-29T00:00:11Z","cross_cats_sorted":[],"title_canon_sha256":"d87698360aca0589eb1c116f6a5ddec20658139a881896561d665f5909189715","abstract_canon_sha256":"7a99c9ea540f2ff172bafe73716fa97441d96c7277c3fe6d24b10bfbaf10f204"},"schema_version":"1.0"},"canonical_sha256":"ff34167d795ff444bab940eb459f33ab70449256ba58cf42ff516d3e0a11971a","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T16:44:23.998509Z","signature_b64":"JFH+o85WyTJmmIeWoDS95vz9hOIaGGe3j1e9rnuJEu/8hBCJjXfCFhrOjNWPhrxiAu22sstwerP8Yr6DYLeYBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ff34167d795ff444bab940eb459f33ab70449256ba58cf42ff516d3e0a11971a","last_reissued_at":"2026-07-04T16:44:23.998155Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T16:44:23.998155Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"astro-ph/0407593","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":"2026-07-04T16:44:23Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"wSJlSLAlmR/4nnxt7HOqyolS0JoOBkO580R1IyGbZdO5n2106/FE3mGb4nRNET2nvyEuJgKFB/vMt+skdZD6BQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-15T08:44:13.075858Z"},"content_sha256":"f80309bfc82b93c40d69e12bd8d807917300c0ce77a3bcd4420fc52075392dd1","schema_version":"1.0","event_id":"sha256:f80309bfc82b93c40d69e12bd8d807917300c0ce77a3bcd4420fc52075392dd1"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2004:742BM7LZL72EJOVZIDVULHZTVN","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Chandra Detection of a Synchrotron Nebula Around the Vela-like Pulsar J1016-5857","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"B. M. Gaensler, E. V. Gotthelf, F. Camilo, J. P. Halpern, R. N. Manchester","submitted_at":"2004-07-29T00:00:11Z","abstract_excerpt":"We report on a 19 ks observation of the pulsar J1016-5857 with the Chandra X-ray Observatory. This \"Vela-like\" pulsar has rotation period 107 ms, characteristic age 21 kyr, and spin-down power 2.6e36 ergs/s. A relatively bright centrally peaked source of radius ~25\" around the radio pulsar position has a spectrum that is well fitted by an absorbed power law with photon index 1.32+-0.25. We regard this as a newly identified pulsar wind nebula that we designate PWN G284.0-1.8. We do not detect the pulsar either as a point X-ray source or as a pulsed source in a 55 ks observation with the Rossi X"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0407593","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/0407593/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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-04T16:44:23Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"oa2n6vr7HV0hYo2nFWn8kKbV0Mkjx/2JMpDicCTFRF9R+nInvtQLkWFOdUI3BREJCXNJEaIXeluvFAet6sQ5Aw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-15T08:44:13.076375Z"},"content_sha256":"02aac99708f37ed291e0bc600e800c12fb231911d1e30f897dc3bc6541bab022","schema_version":"1.0","event_id":"sha256:02aac99708f37ed291e0bc600e800c12fb231911d1e30f897dc3bc6541bab022"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/742BM7LZL72EJOVZIDVULHZTVN/bundle.json","state_url":"https://pith.science/pith/742BM7LZL72EJOVZIDVULHZTVN/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/742BM7LZL72EJOVZIDVULHZTVN/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":"2026-08-15T08:44:13Z","links":{"resolver":"https://pith.science/pith/742BM7LZL72EJOVZIDVULHZTVN","bundle":"https://pith.science/pith/742BM7LZL72EJOVZIDVULHZTVN/bundle.json","state":"https://pith.science/pith/742BM7LZL72EJOVZIDVULHZTVN/state.json","well_known_bundle":"https://pith.science/.well-known/pith/742BM7LZL72EJOVZIDVULHZTVN/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2004:742BM7LZL72EJOVZIDVULHZTVN","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":"7a99c9ea540f2ff172bafe73716fa97441d96c7277c3fe6d24b10bfbaf10f204","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2004-07-29T00:00:11Z","title_canon_sha256":"d87698360aca0589eb1c116f6a5ddec20658139a881896561d665f5909189715"},"schema_version":"1.0","source":{"id":"astro-ph/0407593","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0407593","created_at":"2026-07-04T16:44:23Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0407593v1","created_at":"2026-07-04T16:44:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0407593","created_at":"2026-07-04T16:44:23Z"},{"alias_kind":"pith_short_12","alias_value":"742BM7LZL72E","created_at":"2026-07-04T16:44:23Z"},{"alias_kind":"pith_short_16","alias_value":"742BM7LZL72EJOVZ","created_at":"2026-07-04T16:44:23Z"},{"alias_kind":"pith_short_8","alias_value":"742BM7LZ","created_at":"2026-07-04T16:44:23Z"}],"graph_snapshots":[{"event_id":"sha256:02aac99708f37ed291e0bc600e800c12fb231911d1e30f897dc3bc6541bab022","target":"graph","created_at":"2026-07-04T16:44:23Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/astro-ph/0407593/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We report on a 19 ks observation of the pulsar J1016-5857 with the Chandra X-ray Observatory. This \"Vela-like\" pulsar has rotation period 107 ms, characteristic age 21 kyr, and spin-down power 2.6e36 ergs/s. A relatively bright centrally peaked source of radius ~25\" around the radio pulsar position has a spectrum that is well fitted by an absorbed power law with photon index 1.32+-0.25. We regard this as a newly identified pulsar wind nebula that we designate PWN G284.0-1.8. We do not detect the pulsar either as a point X-ray source or as a pulsed source in a 55 ks observation with the Rossi X","authors_text":"B. M. Gaensler, E. V. Gotthelf, F. Camilo, J. P. Halpern, R. N. Manchester","cross_cats":[],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"2004-07-29T00:00:11Z","title":"Chandra Detection of a Synchrotron Nebula Around the Vela-like Pulsar J1016-5857"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0407593","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:f80309bfc82b93c40d69e12bd8d807917300c0ce77a3bcd4420fc52075392dd1","target":"record","created_at":"2026-07-04T16:44:23Z","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":"7a99c9ea540f2ff172bafe73716fa97441d96c7277c3fe6d24b10bfbaf10f204","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2004-07-29T00:00:11Z","title_canon_sha256":"d87698360aca0589eb1c116f6a5ddec20658139a881896561d665f5909189715"},"schema_version":"1.0","source":{"id":"astro-ph/0407593","kind":"arxiv","version":1}},"canonical_sha256":"ff34167d795ff444bab940eb459f33ab70449256ba58cf42ff516d3e0a11971a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ff34167d795ff444bab940eb459f33ab70449256ba58cf42ff516d3e0a11971a","first_computed_at":"2026-07-04T16:44:23.998155Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T16:44:23.998155Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"JFH+o85WyTJmmIeWoDS95vz9hOIaGGe3j1e9rnuJEu/8hBCJjXfCFhrOjNWPhrxiAu22sstwerP8Yr6DYLeYBw==","signature_status":"signed_v1","signed_at":"2026-07-04T16:44:23.998509Z","signed_message":"canonical_sha256_bytes"},"source_id":"astro-ph/0407593","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f80309bfc82b93c40d69e12bd8d807917300c0ce77a3bcd4420fc52075392dd1","sha256:02aac99708f37ed291e0bc600e800c12fb231911d1e30f897dc3bc6541bab022"],"state_sha256":"a8c2853cc6dc1cd31b126fdcf52be4effacd6f771e1f5bfbfd083d2c33762985"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ekSzercMMBWssaB6x0OoFykdDnf2OsT0Bjh5RsRn3MMuCfjQZu8VaS38Bqx7DS2jXJRzZA8a3m/ZlXJZ0JICBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-15T08:44:13.081304Z","bundle_sha256":"ef27b4afe7ce4bf2adc7a69081c61cc0ebfb70652063df8b32935a945b359b81"}}