{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:1999:3VG7TR63FECOSGPXDWFXVOCHZ6","short_pith_number":"pith:3VG7TR63","canonical_record":{"source":{"id":"astro-ph/9906392","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"1999-06-24T17:22:07Z","cross_cats_sorted":[],"title_canon_sha256":"016cd3a86eb8497ec66b7d372ea29a6a90f755ac9b41edf39a2340d3c05247c7","abstract_canon_sha256":"1297b8603ae512ae2eaeeada4346f3d99534b8b73457320a7e5b492bde23d020"},"schema_version":"1.0"},"canonical_sha256":"dd4df9c7db2904e919f71d8b7ab847cfb42698ab9c0269c7261ba01d1229f211","source":{"kind":"arxiv","id":"astro-ph/9906392","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/9906392","created_at":"2026-05-18T01:07:36Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/9906392v1","created_at":"2026-05-18T01:07:36Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/9906392","created_at":"2026-05-18T01:07:36Z"},{"alias_kind":"pith_short_12","alias_value":"3VG7TR63FECO","created_at":"2026-05-18T12:25:49Z"},{"alias_kind":"pith_short_16","alias_value":"3VG7TR63FECOSGPX","created_at":"2026-05-18T12:25:49Z"},{"alias_kind":"pith_short_8","alias_value":"3VG7TR63","created_at":"2026-05-18T12:25:49Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:1999:3VG7TR63FECOSGPXDWFXVOCHZ6","target":"record","payload":{"canonical_record":{"source":{"id":"astro-ph/9906392","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"1999-06-24T17:22:07Z","cross_cats_sorted":[],"title_canon_sha256":"016cd3a86eb8497ec66b7d372ea29a6a90f755ac9b41edf39a2340d3c05247c7","abstract_canon_sha256":"1297b8603ae512ae2eaeeada4346f3d99534b8b73457320a7e5b492bde23d020"},"schema_version":"1.0"},"canonical_sha256":"dd4df9c7db2904e919f71d8b7ab847cfb42698ab9c0269c7261ba01d1229f211","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:07:36.347221Z","signature_b64":"1h1zWz4mj7nSKqwxrq+ugiFcjDOvfxZhFMnlaaVMlVPsrYkZjwKQF2D0G+p+az8iXqXoFU0DU8XIzobf3UbfCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"dd4df9c7db2904e919f71d8b7ab847cfb42698ab9c0269c7261ba01d1229f211","last_reissued_at":"2026-05-18T01:07:36.346729Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:07:36.346729Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"astro-ph/9906392","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":"2026-05-18T01:07:36Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"J/DjlJEQ+w4rjo/zBnwhhAUxWtDy28bjLBOOBz5+As18txdzpYNtDDCEkLxxwRn9PtOdQP3MvAL32hWsm/mdDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T02:14:00.127924Z"},"content_sha256":"6c0fcf6b87e9d707380076ae95362672c0834b45a4500dd61bee80f6e7c73859","schema_version":"1.0","event_id":"sha256:6c0fcf6b87e9d707380076ae95362672c0834b45a4500dd61bee80f6e7c73859"},{"event_type":"graph_snapshot","subject_pith_number":"pith:1999:3VG7TR63FECOSGPXDWFXVOCHZ6","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"X-ray luminous star-forming galaxies","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"(2) National Observatory of Athens), A.L. Zezas (1), I. Georgantopoulos (2), M.J. Ward (3) ((1) University of Leicester","submitted_at":"1999-06-24T17:22:07Z","abstract_excerpt":"We present results from the cross-correlation of the spectroscopic atlas of Ho etal (1995) with the ROSAT All-Sky Survey Bright Source Catalogue, in an attempt to understand the X-ray emission mechanisms in nearby galaxies.\n The resulting sample of 45 galaxies consists predominantly of AGN. However, there are several starforming galaxies spanning a wide range of X-ray luminosities (~10^{38} - 10^{42} erg s^{-1}). We have analyzed ROSAT and ASCA data for the two most luminous star-forming galaxies, namely NGC3310 and NGC3690. We find that their 0.1-10 keV X-ray spectra can be fitted by a soft t"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/9906392","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":"2026-05-18T01:07:36Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"lXLxU/4JlPrwDcBw1O41jsk/v2l+pPDdsYhf/HuXb7nJZ1oXs3kR2E8c0ESyzIOuuQMCsHfVgUVXsWTZcM8rDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T02:14:00.128269Z"},"content_sha256":"c964a2c73550a980c6ca4a1a486d4525f9ed00ce0288d675fa2df4d1719a3ccd","schema_version":"1.0","event_id":"sha256:c964a2c73550a980c6ca4a1a486d4525f9ed00ce0288d675fa2df4d1719a3ccd"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/3VG7TR63FECOSGPXDWFXVOCHZ6/bundle.json","state_url":"https://pith.science/pith/3VG7TR63FECOSGPXDWFXVOCHZ6/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/3VG7TR63FECOSGPXDWFXVOCHZ6/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":"2026-06-03T02:14:00Z","links":{"resolver":"https://pith.science/pith/3VG7TR63FECOSGPXDWFXVOCHZ6","bundle":"https://pith.science/pith/3VG7TR63FECOSGPXDWFXVOCHZ6/bundle.json","state":"https://pith.science/pith/3VG7TR63FECOSGPXDWFXVOCHZ6/state.json","well_known_bundle":"https://pith.science/.well-known/pith/3VG7TR63FECOSGPXDWFXVOCHZ6/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:1999:3VG7TR63FECOSGPXDWFXVOCHZ6","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":"1297b8603ae512ae2eaeeada4346f3d99534b8b73457320a7e5b492bde23d020","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"1999-06-24T17:22:07Z","title_canon_sha256":"016cd3a86eb8497ec66b7d372ea29a6a90f755ac9b41edf39a2340d3c05247c7"},"schema_version":"1.0","source":{"id":"astro-ph/9906392","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/9906392","created_at":"2026-05-18T01:07:36Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/9906392v1","created_at":"2026-05-18T01:07:36Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/9906392","created_at":"2026-05-18T01:07:36Z"},{"alias_kind":"pith_short_12","alias_value":"3VG7TR63FECO","created_at":"2026-05-18T12:25:49Z"},{"alias_kind":"pith_short_16","alias_value":"3VG7TR63FECOSGPX","created_at":"2026-05-18T12:25:49Z"},{"alias_kind":"pith_short_8","alias_value":"3VG7TR63","created_at":"2026-05-18T12:25:49Z"}],"graph_snapshots":[{"event_id":"sha256:c964a2c73550a980c6ca4a1a486d4525f9ed00ce0288d675fa2df4d1719a3ccd","target":"graph","created_at":"2026-05-18T01:07:36Z","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 present results from the cross-correlation of the spectroscopic atlas of Ho etal (1995) with the ROSAT All-Sky Survey Bright Source Catalogue, in an attempt to understand the X-ray emission mechanisms in nearby galaxies.\n The resulting sample of 45 galaxies consists predominantly of AGN. However, there are several starforming galaxies spanning a wide range of X-ray luminosities (~10^{38} - 10^{42} erg s^{-1}). We have analyzed ROSAT and ASCA data for the two most luminous star-forming galaxies, namely NGC3310 and NGC3690. We find that their 0.1-10 keV X-ray spectra can be fitted by a soft t","authors_text":"(2) National Observatory of Athens), A.L. Zezas (1), I. Georgantopoulos (2), M.J. Ward (3) ((1) University of Leicester","cross_cats":[],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"1999-06-24T17:22:07Z","title":"X-ray luminous star-forming galaxies"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/9906392","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":"sha256:6c0fcf6b87e9d707380076ae95362672c0834b45a4500dd61bee80f6e7c73859","target":"record","created_at":"2026-05-18T01:07:36Z","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":"1297b8603ae512ae2eaeeada4346f3d99534b8b73457320a7e5b492bde23d020","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"1999-06-24T17:22:07Z","title_canon_sha256":"016cd3a86eb8497ec66b7d372ea29a6a90f755ac9b41edf39a2340d3c05247c7"},"schema_version":"1.0","source":{"id":"astro-ph/9906392","kind":"arxiv","version":1}},"canonical_sha256":"dd4df9c7db2904e919f71d8b7ab847cfb42698ab9c0269c7261ba01d1229f211","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"dd4df9c7db2904e919f71d8b7ab847cfb42698ab9c0269c7261ba01d1229f211","first_computed_at":"2026-05-18T01:07:36.346729Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:07:36.346729Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"1h1zWz4mj7nSKqwxrq+ugiFcjDOvfxZhFMnlaaVMlVPsrYkZjwKQF2D0G+p+az8iXqXoFU0DU8XIzobf3UbfCQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:07:36.347221Z","signed_message":"canonical_sha256_bytes"},"source_id":"astro-ph/9906392","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6c0fcf6b87e9d707380076ae95362672c0834b45a4500dd61bee80f6e7c73859","sha256:c964a2c73550a980c6ca4a1a486d4525f9ed00ce0288d675fa2df4d1719a3ccd"],"state_sha256":"d8b1a86a242e93ce6e793f6aa1e88c71cd5640e7a06b2b8978a69737cb62fd19"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"M73f+kEew8AlRFt0hV5sck5SpYY8xgZrCfnKu6QRUzGqCGmL+YBfF6zOTHyxnWvv9uyoZmRGMsEwoana0JogDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-03T02:14:00.130306Z","bundle_sha256":"828384fb8548eb136d2c4ec2ff4e23b34268630cd0890c4957560dbf0b6332a1"}}