{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:1994:P5XTIQO5UKR3LCARPYREXXRLGF","short_pith_number":"pith:P5XTIQO5","canonical_record":{"source":{"id":"astro-ph/9405059","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"1994-05-26T15:32:41Z","cross_cats_sorted":[],"title_canon_sha256":"437e94e15a7be0890e5db075e359a1c971dfc27a003f498afc65b5c8d8421c47","abstract_canon_sha256":"b24cd420d51b2b4b98a9e3349d49af08a19205bd30ec0bc002d36c79334e0644"},"schema_version":"1.0"},"canonical_sha256":"7f6f3441dda2a3b588117e224bde2b3147da35947d097a88bc5cfe7ff79e1aed","source":{"kind":"arxiv","id":"astro-ph/9405059","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/9405059","created_at":"2026-07-04T15:56:05Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/9405059v1","created_at":"2026-07-04T15:56:05Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/9405059","created_at":"2026-07-04T15:56:05Z"},{"alias_kind":"pith_short_12","alias_value":"P5XTIQO5UKR3","created_at":"2026-07-04T15:56:05Z"},{"alias_kind":"pith_short_16","alias_value":"P5XTIQO5UKR3LCAR","created_at":"2026-07-04T15:56:05Z"},{"alias_kind":"pith_short_8","alias_value":"P5XTIQO5","created_at":"2026-07-04T15:56:05Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:1994:P5XTIQO5UKR3LCARPYREXXRLGF","target":"record","payload":{"canonical_record":{"source":{"id":"astro-ph/9405059","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"1994-05-26T15:32:41Z","cross_cats_sorted":[],"title_canon_sha256":"437e94e15a7be0890e5db075e359a1c971dfc27a003f498afc65b5c8d8421c47","abstract_canon_sha256":"b24cd420d51b2b4b98a9e3349d49af08a19205bd30ec0bc002d36c79334e0644"},"schema_version":"1.0"},"canonical_sha256":"7f6f3441dda2a3b588117e224bde2b3147da35947d097a88bc5cfe7ff79e1aed","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T15:56:05.746846Z","signature_b64":"pPGMu9FLqQ7mAZpOzGsauvwPFA0+KN7C6XREtsfN5Ex2tgDswBJCAUtkoibdWN226qGxmYxCK1VVXF7RhjOsDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"7f6f3441dda2a3b588117e224bde2b3147da35947d097a88bc5cfe7ff79e1aed","last_reissued_at":"2026-07-04T15:56:05.746462Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T15:56:05.746462Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"astro-ph/9405059","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":"2026-07-04T15:56:05Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"k6+FUPoqRz4cvD2KIgDPg1OFcKwsa4aYQY8FwDaoD+3u6U50wB3DZs4tBhkDhsvYPtr647AviUFfG1HkHwuaAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-03T15:50:33.289917Z"},"content_sha256":"57bec92be362c00d2242ef9a1ddf9221abc62fa58d116df5160f2cb120899330","schema_version":"1.0","event_id":"sha256:57bec92be362c00d2242ef9a1ddf9221abc62fa58d116df5160f2cb120899330"},{"event_type":"graph_snapshot","subject_pith_number":"pith:1994:P5XTIQO5UKR3LCARPYREXXRLGF","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A Model for the X-Ray and UV Emission from Seyfert Galaxies and Galactic Black Holes","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"Francesco Haardt, Gabriele Ghisellini, Laura Maraschi","submitted_at":"1994-05-26T15:32:41Z","abstract_excerpt":"We propose that the X--ray emission from radio quiet AGN and galactic black holes is due to Comptonization of soft thermal photons emitted by the underlying accretion disk in localized structures (blobs). The power per unit area produced by the blobs, impinging on the disk, can easily dominate the radiation internally produced by the disk. In this case the electron temperature and the high energy spectrum can be determined in a similar way as in the previously studied homogeneous model (Haardt \\& Maraschi 1991). However in the present model: a) the emitted spectrum is largely independent of th"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/9405059","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/9405059/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":"2026-07-04T15:56:05Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"mx421GsMRnOPkEm196IfAUv44gmgVlcqZ44URBPnT2YcYl3ILh+xqTNmbFISVtjsBEzqQl9xczkEfRVTZtUYDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-03T15:50:33.290830Z"},"content_sha256":"c6d2b7c551eef1f9336a801e0a57f7b680d323c33b554599a6bae181357c033b","schema_version":"1.0","event_id":"sha256:c6d2b7c551eef1f9336a801e0a57f7b680d323c33b554599a6bae181357c033b"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/P5XTIQO5UKR3LCARPYREXXRLGF/bundle.json","state_url":"https://pith.science/pith/P5XTIQO5UKR3LCARPYREXXRLGF/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/P5XTIQO5UKR3LCARPYREXXRLGF/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":"2026-08-03T15:50:33Z","links":{"resolver":"https://pith.science/pith/P5XTIQO5UKR3LCARPYREXXRLGF","bundle":"https://pith.science/pith/P5XTIQO5UKR3LCARPYREXXRLGF/bundle.json","state":"https://pith.science/pith/P5XTIQO5UKR3LCARPYREXXRLGF/state.json","well_known_bundle":"https://pith.science/.well-known/pith/P5XTIQO5UKR3LCARPYREXXRLGF/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:1994:P5XTIQO5UKR3LCARPYREXXRLGF","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":"b24cd420d51b2b4b98a9e3349d49af08a19205bd30ec0bc002d36c79334e0644","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"1994-05-26T15:32:41Z","title_canon_sha256":"437e94e15a7be0890e5db075e359a1c971dfc27a003f498afc65b5c8d8421c47"},"schema_version":"1.0","source":{"id":"astro-ph/9405059","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/9405059","created_at":"2026-07-04T15:56:05Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/9405059v1","created_at":"2026-07-04T15:56:05Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/9405059","created_at":"2026-07-04T15:56:05Z"},{"alias_kind":"pith_short_12","alias_value":"P5XTIQO5UKR3","created_at":"2026-07-04T15:56:05Z"},{"alias_kind":"pith_short_16","alias_value":"P5XTIQO5UKR3LCAR","created_at":"2026-07-04T15:56:05Z"},{"alias_kind":"pith_short_8","alias_value":"P5XTIQO5","created_at":"2026-07-04T15:56:05Z"}],"graph_snapshots":[{"event_id":"sha256:c6d2b7c551eef1f9336a801e0a57f7b680d323c33b554599a6bae181357c033b","target":"graph","created_at":"2026-07-04T15:56:05Z","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/9405059/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We propose that the X--ray emission from radio quiet AGN and galactic black holes is due to Comptonization of soft thermal photons emitted by the underlying accretion disk in localized structures (blobs). The power per unit area produced by the blobs, impinging on the disk, can easily dominate the radiation internally produced by the disk. In this case the electron temperature and the high energy spectrum can be determined in a similar way as in the previously studied homogeneous model (Haardt \\& Maraschi 1991). However in the present model: a) the emitted spectrum is largely independent of th","authors_text":"Francesco Haardt, Gabriele Ghisellini, Laura Maraschi","cross_cats":[],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"1994-05-26T15:32:41Z","title":"A Model for the X-Ray and UV Emission from Seyfert Galaxies and Galactic Black Holes"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/9405059","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":"sha256:57bec92be362c00d2242ef9a1ddf9221abc62fa58d116df5160f2cb120899330","target":"record","created_at":"2026-07-04T15:56:05Z","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":"b24cd420d51b2b4b98a9e3349d49af08a19205bd30ec0bc002d36c79334e0644","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"1994-05-26T15:32:41Z","title_canon_sha256":"437e94e15a7be0890e5db075e359a1c971dfc27a003f498afc65b5c8d8421c47"},"schema_version":"1.0","source":{"id":"astro-ph/9405059","kind":"arxiv","version":1}},"canonical_sha256":"7f6f3441dda2a3b588117e224bde2b3147da35947d097a88bc5cfe7ff79e1aed","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"7f6f3441dda2a3b588117e224bde2b3147da35947d097a88bc5cfe7ff79e1aed","first_computed_at":"2026-07-04T15:56:05.746462Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T15:56:05.746462Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"pPGMu9FLqQ7mAZpOzGsauvwPFA0+KN7C6XREtsfN5Ex2tgDswBJCAUtkoibdWN226qGxmYxCK1VVXF7RhjOsDg==","signature_status":"signed_v1","signed_at":"2026-07-04T15:56:05.746846Z","signed_message":"canonical_sha256_bytes"},"source_id":"astro-ph/9405059","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:57bec92be362c00d2242ef9a1ddf9221abc62fa58d116df5160f2cb120899330","sha256:c6d2b7c551eef1f9336a801e0a57f7b680d323c33b554599a6bae181357c033b"],"state_sha256":"42e139d46f49c277efca312d8f6e0f61da38e6bb68d1ffc556ae2c2900534b53"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"HfPNoMlhXlGimRsSIGvxrFQ7lDLbo5FoptZ03dTEXi/O85TUpSAw36v3xU0i6/h40DEQDCUx9ysSQF/nG9dzBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-03T15:50:33.298056Z","bundle_sha256":"50df64834d6251c09b0c7bf5136a7ff18b756cf1da01df9ec5d7c1d4d9ccde04"}}