{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:6FWPQZHSGZZWG7GKT2JE4PVHAE","short_pith_number":"pith:6FWPQZHS","canonical_record":{"source":{"id":"1701.00497","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2017-01-02T19:01:51Z","cross_cats_sorted":[],"title_canon_sha256":"05269218a1f45d74817d8914d1018b9c5934d26b46c9a0f9aa80acd934c2bdc4","abstract_canon_sha256":"d1e9695ae6af762409ebded140a4be2debea7af807e76bbfa34cc4383bb921c3"},"schema_version":"1.0"},"canonical_sha256":"f16cf864f23673637cca9e924e3ea7013defd31e6d42fbe5731c5797e7a18b84","source":{"kind":"arxiv","id":"1701.00497","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1701.00497","created_at":"2026-05-18T00:50:17Z"},{"alias_kind":"arxiv_version","alias_value":"1701.00497v1","created_at":"2026-05-18T00:50:17Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1701.00497","created_at":"2026-05-18T00:50:17Z"},{"alias_kind":"pith_short_12","alias_value":"6FWPQZHSGZZW","created_at":"2026-05-18T12:31:03Z"},{"alias_kind":"pith_short_16","alias_value":"6FWPQZHSGZZWG7GK","created_at":"2026-05-18T12:31:03Z"},{"alias_kind":"pith_short_8","alias_value":"6FWPQZHS","created_at":"2026-05-18T12:31:03Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:6FWPQZHSGZZWG7GKT2JE4PVHAE","target":"record","payload":{"canonical_record":{"source":{"id":"1701.00497","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2017-01-02T19:01:51Z","cross_cats_sorted":[],"title_canon_sha256":"05269218a1f45d74817d8914d1018b9c5934d26b46c9a0f9aa80acd934c2bdc4","abstract_canon_sha256":"d1e9695ae6af762409ebded140a4be2debea7af807e76bbfa34cc4383bb921c3"},"schema_version":"1.0"},"canonical_sha256":"f16cf864f23673637cca9e924e3ea7013defd31e6d42fbe5731c5797e7a18b84","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:50:17.469125Z","signature_b64":"5FL9PQBlRwwVG+VbaH+IFZHk/bWzVhWjvMEZzYhj0T+dkTkorjJULXGORZtn9uSBLdYeg3QwyGWE0gxdEwjJAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f16cf864f23673637cca9e924e3ea7013defd31e6d42fbe5731c5797e7a18b84","last_reissued_at":"2026-05-18T00:50:17.468343Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:50:17.468343Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1701.00497","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":"2026-05-18T00:50:17Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"J0kxT3mVgLrxo3g65GB9F/HuRR2EM3Lk6N4nNvIFThJr0rO7pYjbKEKXaoM6zdQAmGRUeEQh143nfiTlVgnvBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T00:25:39.936241Z"},"content_sha256":"07cf979212508c67cf445cb3d1cd2e1bcdfd514b3064b6827749287ffd7a7bcd","schema_version":"1.0","event_id":"sha256:07cf979212508c67cf445cb3d1cd2e1bcdfd514b3064b6827749287ffd7a7bcd"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:6FWPQZHSGZZWG7GKT2JE4PVHAE","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A New Compton-thick AGN in our Cosmic Backyard: Unveiling the Buried Nucleus in NGC 1448 with NuSTAR","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"A. Annuar (Durham), A. D. Goulding, C. J. Hailey, C. Ricci, D. Asmus, D. Farrah, D. J. Rosario, D. M. Alexander, D. R. Ballantyne, D. Stern, F. A. Harrison, F. E. Bauer, F. E. Christensen, F. Stanley, G. B. Lansbury, M. Brightman, M. J. Koss, P. Gandhi, P. G. Boorman, S. E. Boggs, S. M. LaMassa, S. S. Murray, W. N. Brandt, W. W. Craig, W. Zhang","submitted_at":"2017-01-02T19:01:51Z","abstract_excerpt":"NGC 1448 is one of the nearest luminous galaxies ($L_{8-1000\\mu m} >$ 10$^{9} L_{\\odot}$) to ours ($z$ $=$ 0.00390), and yet the active galactic nucleus (AGN) it hosts was only recently discovered, in 2009. In this paper, we present an analysis of the nuclear source across three wavebands: mid-infrared (MIR) continuum, optical, and X-rays. We observed the source with the Nuclear Spectroscopic Telescope Array (NuSTAR), and combined this data with archival Chandra data to perform broadband X-ray spectral fitting ($\\approx$0.5-40 keV) of the AGN for the first time. Our X-ray spectral analysis rev"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1701.00497","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":"2026-05-18T00:50:17Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"EesZSOjXJaFwnhWJSi5wUrpcQ6JvbXgjvkWXgNK2ME3i4Qhwyke/i4TQF/xE9PSoVWg/l3qFBWSQZQ0ewJ/hCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T00:25:39.936948Z"},"content_sha256":"a4574a5125c9cf1da19ec2f4e64bb2c13470c8704d2253db7b4028b8d928ec45","schema_version":"1.0","event_id":"sha256:a4574a5125c9cf1da19ec2f4e64bb2c13470c8704d2253db7b4028b8d928ec45"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/6FWPQZHSGZZWG7GKT2JE4PVHAE/bundle.json","state_url":"https://pith.science/pith/6FWPQZHSGZZWG7GKT2JE4PVHAE/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/6FWPQZHSGZZWG7GKT2JE4PVHAE/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":"2026-05-26T00:25:39Z","links":{"resolver":"https://pith.science/pith/6FWPQZHSGZZWG7GKT2JE4PVHAE","bundle":"https://pith.science/pith/6FWPQZHSGZZWG7GKT2JE4PVHAE/bundle.json","state":"https://pith.science/pith/6FWPQZHSGZZWG7GKT2JE4PVHAE/state.json","well_known_bundle":"https://pith.science/.well-known/pith/6FWPQZHSGZZWG7GKT2JE4PVHAE/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:6FWPQZHSGZZWG7GKT2JE4PVHAE","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":"d1e9695ae6af762409ebded140a4be2debea7af807e76bbfa34cc4383bb921c3","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2017-01-02T19:01:51Z","title_canon_sha256":"05269218a1f45d74817d8914d1018b9c5934d26b46c9a0f9aa80acd934c2bdc4"},"schema_version":"1.0","source":{"id":"1701.00497","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1701.00497","created_at":"2026-05-18T00:50:17Z"},{"alias_kind":"arxiv_version","alias_value":"1701.00497v1","created_at":"2026-05-18T00:50:17Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1701.00497","created_at":"2026-05-18T00:50:17Z"},{"alias_kind":"pith_short_12","alias_value":"6FWPQZHSGZZW","created_at":"2026-05-18T12:31:03Z"},{"alias_kind":"pith_short_16","alias_value":"6FWPQZHSGZZWG7GK","created_at":"2026-05-18T12:31:03Z"},{"alias_kind":"pith_short_8","alias_value":"6FWPQZHS","created_at":"2026-05-18T12:31:03Z"}],"graph_snapshots":[{"event_id":"sha256:a4574a5125c9cf1da19ec2f4e64bb2c13470c8704d2253db7b4028b8d928ec45","target":"graph","created_at":"2026-05-18T00:50:17Z","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":"NGC 1448 is one of the nearest luminous galaxies ($L_{8-1000\\mu m} >$ 10$^{9} L_{\\odot}$) to ours ($z$ $=$ 0.00390), and yet the active galactic nucleus (AGN) it hosts was only recently discovered, in 2009. In this paper, we present an analysis of the nuclear source across three wavebands: mid-infrared (MIR) continuum, optical, and X-rays. We observed the source with the Nuclear Spectroscopic Telescope Array (NuSTAR), and combined this data with archival Chandra data to perform broadband X-ray spectral fitting ($\\approx$0.5-40 keV) of the AGN for the first time. Our X-ray spectral analysis rev","authors_text":"A. Annuar (Durham), A. D. Goulding, C. J. Hailey, C. Ricci, D. Asmus, D. Farrah, D. J. Rosario, D. M. Alexander, D. R. Ballantyne, D. Stern, F. A. Harrison, F. E. Bauer, F. E. Christensen, F. Stanley, G. B. Lansbury, M. Brightman, M. J. Koss, P. Gandhi, P. G. Boorman, S. E. Boggs, S. M. LaMassa, S. S. Murray, W. N. Brandt, W. W. Craig, W. Zhang","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2017-01-02T19:01:51Z","title":"A New Compton-thick AGN in our Cosmic Backyard: Unveiling the Buried Nucleus in NGC 1448 with NuSTAR"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1701.00497","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":"sha256:07cf979212508c67cf445cb3d1cd2e1bcdfd514b3064b6827749287ffd7a7bcd","target":"record","created_at":"2026-05-18T00:50:17Z","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":"d1e9695ae6af762409ebded140a4be2debea7af807e76bbfa34cc4383bb921c3","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2017-01-02T19:01:51Z","title_canon_sha256":"05269218a1f45d74817d8914d1018b9c5934d26b46c9a0f9aa80acd934c2bdc4"},"schema_version":"1.0","source":{"id":"1701.00497","kind":"arxiv","version":1}},"canonical_sha256":"f16cf864f23673637cca9e924e3ea7013defd31e6d42fbe5731c5797e7a18b84","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f16cf864f23673637cca9e924e3ea7013defd31e6d42fbe5731c5797e7a18b84","first_computed_at":"2026-05-18T00:50:17.468343Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:50:17.468343Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"5FL9PQBlRwwVG+VbaH+IFZHk/bWzVhWjvMEZzYhj0T+dkTkorjJULXGORZtn9uSBLdYeg3QwyGWE0gxdEwjJAw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:50:17.469125Z","signed_message":"canonical_sha256_bytes"},"source_id":"1701.00497","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:07cf979212508c67cf445cb3d1cd2e1bcdfd514b3064b6827749287ffd7a7bcd","sha256:a4574a5125c9cf1da19ec2f4e64bb2c13470c8704d2253db7b4028b8d928ec45"],"state_sha256":"b3a513499d072a20fbedee88f980f6a10a6158a0511033b6f437df48135ba8c3"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"hIOdBLssy/C/aNlFVh1gl1+3mEN8FXg8JRcF7sIl0kVS/xuFz1GE2NOQ+FcUtxGSvtaOleUUR85C/EIpiO2+Dg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T00:25:39.940651Z","bundle_sha256":"ec7a68233043ba9b5717f034d87e4ad3e43688cd937c579dc665692d206b6b39"}}