{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2007:DANJ52KKCMUPVBG4DLFL3AUCOX","short_pith_number":"pith:DANJ52KK","canonical_record":{"source":{"id":"0708.1201","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2007-08-09T02:43:59Z","cross_cats_sorted":[],"title_canon_sha256":"11bd442445ca041ee09cdef5c1cfc4562a5592e9e75ef323f3f7b94236cb434e","abstract_canon_sha256":"fa16ba5614b247ee7ed61a4a29d9bf55953478a2e5c8ce23473923e45fa9054b"},"schema_version":"1.0"},"canonical_sha256":"181a9ee94a1328fa84dc1acabd828275f2d2d39ba49694ed8a1ce3edd70a25fd","source":{"kind":"arxiv","id":"0708.1201","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0708.1201","created_at":"2026-05-18T00:52:42Z"},{"alias_kind":"arxiv_version","alias_value":"0708.1201v1","created_at":"2026-05-18T00:52:42Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0708.1201","created_at":"2026-05-18T00:52:42Z"},{"alias_kind":"pith_short_12","alias_value":"DANJ52KKCMUP","created_at":"2026-05-18T12:25:55Z"},{"alias_kind":"pith_short_16","alias_value":"DANJ52KKCMUPVBG4","created_at":"2026-05-18T12:25:55Z"},{"alias_kind":"pith_short_8","alias_value":"DANJ52KK","created_at":"2026-05-18T12:25:55Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2007:DANJ52KKCMUPVBG4DLFL3AUCOX","target":"record","payload":{"canonical_record":{"source":{"id":"0708.1201","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2007-08-09T02:43:59Z","cross_cats_sorted":[],"title_canon_sha256":"11bd442445ca041ee09cdef5c1cfc4562a5592e9e75ef323f3f7b94236cb434e","abstract_canon_sha256":"fa16ba5614b247ee7ed61a4a29d9bf55953478a2e5c8ce23473923e45fa9054b"},"schema_version":"1.0"},"canonical_sha256":"181a9ee94a1328fa84dc1acabd828275f2d2d39ba49694ed8a1ce3edd70a25fd","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:52:42.633710Z","signature_b64":"KlZo6h3Q/fI38CVZvRQhpaKeMko6st16IuXkNVebw24YTo2IXE1jZqYydUP1liWkp3XUiqj3Rw1mCawtVjGvBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"181a9ee94a1328fa84dc1acabd828275f2d2d39ba49694ed8a1ce3edd70a25fd","last_reissued_at":"2026-05-18T00:52:42.633014Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:52:42.633014Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0708.1201","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":"2026-05-18T00:52:42Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"pbzeMv6FLts9hxgQ2cP/6LLdmBLl8sKEkIHc4IS0JjMDQoltAyT7lO94801oeZJSBBvUhrLe5MZHn+OJknlYAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-08T23:20:16.540957Z"},"content_sha256":"2ccbe8472285850c30a0b76f7604e76f83d7b3d9ba36a21e3d6beafd23e2bb71","schema_version":"1.0","event_id":"sha256:2ccbe8472285850c30a0b76f7604e76f83d7b3d9ba36a21e3d6beafd23e2bb71"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2007:DANJ52KKCMUPVBG4DLFL3AUCOX","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Suzaku wide-band X-ray Spectroscopy of the Seyfert 2 AGN in NGC 4945","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"Chris Done, Grzegorz Madejski, Gulab C. Dewangan, Hisamitsu Awaki, James Reeves, Kazuo Makishima, Naohisa Anabuki, Naoki Isobe, Poshak Gandhi, Richard E. Griffiths, Satohi Eguchi, Tadayuki Takahashi, Tahir Yaqoob, Takashi Okajima, Takeshi Itoh, Yoshihiro Ueda","submitted_at":"2007-08-09T02:43:59Z","abstract_excerpt":"Suzaku observed a nearby Seyfert 2 galaxy NGC4945, which hosts one of the brightest active galactic nuclei above 20 keV. Combining data from the X-ray CCD camera (XIS) and the Hard X-ray Detector (HXD), the AGN intrinsic nuclear emission and its reprocessed signals were observed simultaneously. The intrinsic emission is highly obscured with an absorbing column of $\\sim 5 \\times 10^{24}$ cm$^{-2}$, and was detectable only above $\\sim 10$ keV. The spectrum below 10 keV is dominated by reflection continuum and emission lines from neutral/ionized material. Along with a neutral iron K$\\alpha$ line,"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0708.1201","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":"2026-05-18T00:52:42Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"7MQYlH3gmyHPsY4TY4qVznif2++0UIt+yYV4dna35bxSdlhbuYjS7NYcsWFYCTODR0Ltls7XpXFHSTxmi1/SBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-08T23:20:16.541292Z"},"content_sha256":"7473a498567402939e83e68650cad179b5eb35e94f0b8b5857f054e61c5051f7","schema_version":"1.0","event_id":"sha256:7473a498567402939e83e68650cad179b5eb35e94f0b8b5857f054e61c5051f7"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/DANJ52KKCMUPVBG4DLFL3AUCOX/bundle.json","state_url":"https://pith.science/pith/DANJ52KKCMUPVBG4DLFL3AUCOX/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/DANJ52KKCMUPVBG4DLFL3AUCOX/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":"2026-06-08T23:20:16Z","links":{"resolver":"https://pith.science/pith/DANJ52KKCMUPVBG4DLFL3AUCOX","bundle":"https://pith.science/pith/DANJ52KKCMUPVBG4DLFL3AUCOX/bundle.json","state":"https://pith.science/pith/DANJ52KKCMUPVBG4DLFL3AUCOX/state.json","well_known_bundle":"https://pith.science/.well-known/pith/DANJ52KKCMUPVBG4DLFL3AUCOX/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2007:DANJ52KKCMUPVBG4DLFL3AUCOX","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":"fa16ba5614b247ee7ed61a4a29d9bf55953478a2e5c8ce23473923e45fa9054b","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2007-08-09T02:43:59Z","title_canon_sha256":"11bd442445ca041ee09cdef5c1cfc4562a5592e9e75ef323f3f7b94236cb434e"},"schema_version":"1.0","source":{"id":"0708.1201","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0708.1201","created_at":"2026-05-18T00:52:42Z"},{"alias_kind":"arxiv_version","alias_value":"0708.1201v1","created_at":"2026-05-18T00:52:42Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0708.1201","created_at":"2026-05-18T00:52:42Z"},{"alias_kind":"pith_short_12","alias_value":"DANJ52KKCMUP","created_at":"2026-05-18T12:25:55Z"},{"alias_kind":"pith_short_16","alias_value":"DANJ52KKCMUPVBG4","created_at":"2026-05-18T12:25:55Z"},{"alias_kind":"pith_short_8","alias_value":"DANJ52KK","created_at":"2026-05-18T12:25:55Z"}],"graph_snapshots":[{"event_id":"sha256:7473a498567402939e83e68650cad179b5eb35e94f0b8b5857f054e61c5051f7","target":"graph","created_at":"2026-05-18T00:52:42Z","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":"Suzaku observed a nearby Seyfert 2 galaxy NGC4945, which hosts one of the brightest active galactic nuclei above 20 keV. Combining data from the X-ray CCD camera (XIS) and the Hard X-ray Detector (HXD), the AGN intrinsic nuclear emission and its reprocessed signals were observed simultaneously. The intrinsic emission is highly obscured with an absorbing column of $\\sim 5 \\times 10^{24}$ cm$^{-2}$, and was detectable only above $\\sim 10$ keV. The spectrum below 10 keV is dominated by reflection continuum and emission lines from neutral/ionized material. Along with a neutral iron K$\\alpha$ line,","authors_text":"Chris Done, Grzegorz Madejski, Gulab C. Dewangan, Hisamitsu Awaki, James Reeves, Kazuo Makishima, Naohisa Anabuki, Naoki Isobe, Poshak Gandhi, Richard E. Griffiths, Satohi Eguchi, Tadayuki Takahashi, Tahir Yaqoob, Takashi Okajima, Takeshi Itoh, Yoshihiro Ueda","cross_cats":[],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"2007-08-09T02:43:59Z","title":"Suzaku wide-band X-ray Spectroscopy of the Seyfert 2 AGN in NGC 4945"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0708.1201","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":"sha256:2ccbe8472285850c30a0b76f7604e76f83d7b3d9ba36a21e3d6beafd23e2bb71","target":"record","created_at":"2026-05-18T00:52:42Z","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":"fa16ba5614b247ee7ed61a4a29d9bf55953478a2e5c8ce23473923e45fa9054b","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2007-08-09T02:43:59Z","title_canon_sha256":"11bd442445ca041ee09cdef5c1cfc4562a5592e9e75ef323f3f7b94236cb434e"},"schema_version":"1.0","source":{"id":"0708.1201","kind":"arxiv","version":1}},"canonical_sha256":"181a9ee94a1328fa84dc1acabd828275f2d2d39ba49694ed8a1ce3edd70a25fd","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"181a9ee94a1328fa84dc1acabd828275f2d2d39ba49694ed8a1ce3edd70a25fd","first_computed_at":"2026-05-18T00:52:42.633014Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:52:42.633014Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"KlZo6h3Q/fI38CVZvRQhpaKeMko6st16IuXkNVebw24YTo2IXE1jZqYydUP1liWkp3XUiqj3Rw1mCawtVjGvBA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:52:42.633710Z","signed_message":"canonical_sha256_bytes"},"source_id":"0708.1201","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:2ccbe8472285850c30a0b76f7604e76f83d7b3d9ba36a21e3d6beafd23e2bb71","sha256:7473a498567402939e83e68650cad179b5eb35e94f0b8b5857f054e61c5051f7"],"state_sha256":"bb0091439de20a7df7f271c4387bc7486c2a5bdb0d759b992f8b729788f74d7f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Ek0k4Wea4uULsWSISdcM47OKyFlCdWBF0Ro4tFNJ87I3HIsXBLW5+/UP0usveVDHatPCCKguu+YErCXHttjLAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-08T23:20:16.543089Z","bundle_sha256":"028da2dfa5a2bef5f0d12eed8e7fd6e2f5749628a9e7c8d9e8464b9a9d6a1081"}}