{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:UGVVNTCEB7EZXOHUOZIHIFCOBL","short_pith_number":"pith:UGVVNTCE","canonical_record":{"source":{"id":"2402.09505","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2024-02-14T19:00:00Z","cross_cats_sorted":["astro-ph.IM"],"title_canon_sha256":"9b218977abcd5953826f5ddab989da1adfb9513f6de2a003701f180543163744","abstract_canon_sha256":"15a37c9804da5448753f5c1fd68e08bfcaa49ae66dc5337af04fe8dd1c13bec0"},"schema_version":"1.0"},"canonical_sha256":"a1ab56cc440fc99bb8f4765074144e0af051150c322cd6e502c8fea824cb8139","source":{"kind":"arxiv","id":"2402.09505","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2402.09505","created_at":"2026-07-05T07:45:17Z"},{"alias_kind":"arxiv_version","alias_value":"2402.09505v1","created_at":"2026-07-05T07:45:17Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2402.09505","created_at":"2026-07-05T07:45:17Z"},{"alias_kind":"pith_short_12","alias_value":"UGVVNTCEB7EZ","created_at":"2026-07-05T07:45:17Z"},{"alias_kind":"pith_short_16","alias_value":"UGVVNTCEB7EZXOHU","created_at":"2026-07-05T07:45:17Z"},{"alias_kind":"pith_short_8","alias_value":"UGVVNTCE","created_at":"2026-07-05T07:45:17Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:UGVVNTCEB7EZXOHUOZIHIFCOBL","target":"record","payload":{"canonical_record":{"source":{"id":"2402.09505","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2024-02-14T19:00:00Z","cross_cats_sorted":["astro-ph.IM"],"title_canon_sha256":"9b218977abcd5953826f5ddab989da1adfb9513f6de2a003701f180543163744","abstract_canon_sha256":"15a37c9804da5448753f5c1fd68e08bfcaa49ae66dc5337af04fe8dd1c13bec0"},"schema_version":"1.0"},"canonical_sha256":"a1ab56cc440fc99bb8f4765074144e0af051150c322cd6e502c8fea824cb8139","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T07:45:17.511203Z","signature_b64":"2gsQqjDslniPgC/+HnqnJ8Kcg11yNQUMaUTyNfpuQJ7vPXYn1Vzpvdfvfwg7b6JrfxXfmyoXwFbYBSl6IGqUAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a1ab56cc440fc99bb8f4765074144e0af051150c322cd6e502c8fea824cb8139","last_reissued_at":"2026-07-05T07:45:17.510841Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T07:45:17.510841Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2402.09505","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":"2026-07-05T07:45:17Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"OPxI1AZeurITTzUNnY4nlPro2iOyffneyC8f9vdCaTWcqFpj9M4rZtC7mw3H489ySl+5y+hogNZ5PEmhrVBoAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T11:15:36.409766Z"},"content_sha256":"09bc660d16aa2c18920af9cdd36619aa8d0bf6cb92b735cd67ceaf0717a09d9e","schema_version":"1.0","event_id":"sha256:09bc660d16aa2c18920af9cdd36619aa8d0bf6cb92b735cd67ceaf0717a09d9e"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:UGVVNTCEB7EZXOHUOZIHIFCOBL","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"3C 273 Host Galaxy with Hubble Space Telescope Coronagraphy","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.IM"],"primary_cat":"astro-ph.GA","authors_text":"Bin B. Ren, Dimitri Mawet, Eileen T. Meyer, Johannes Sahlmann, John H. Debes, Kevin Fogarty, Marshall D. Perrin, Patrick M. Ogle, Youbin Mo","submitted_at":"2024-02-14T19:00:00Z","abstract_excerpt":"The close-in regions of bright quasars' host galaxies have been difficult to image due to the overwhelming light from the quasars. With coronagraphic observations in visible light using the Space Telescope Imaging Spectrograph (STIS) on the Hubble Space Telescope, we removed 3C 273 quasar light using color-matching reference stars. The observations revealed the host galaxy from 60\" to 0.2\" with nearly full angular coverage. Isophote modeling revealed a new core jet, a core blob, and multiple smaller-scale blobs within 2.5\". The blobs could potentially be satellite galaxies or infalling materia"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2402.09505","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/2402.09505/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":"2026-07-05T07:45:17Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"mvWcWCXqvgXC6A01PbhJj+0mdyX8Jw/igTURmkId704VO+1rZnElcdDjyv/RMGSJcwjUZENnS/7YvDD/BAdMBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T11:15:36.410162Z"},"content_sha256":"e9cba2240735c74f1f03c36ad26aee2392aecb9297f8a02ea14175b94075063c","schema_version":"1.0","event_id":"sha256:e9cba2240735c74f1f03c36ad26aee2392aecb9297f8a02ea14175b94075063c"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/UGVVNTCEB7EZXOHUOZIHIFCOBL/bundle.json","state_url":"https://pith.science/pith/UGVVNTCEB7EZXOHUOZIHIFCOBL/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/UGVVNTCEB7EZXOHUOZIHIFCOBL/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":"2026-07-07T11:15:36Z","links":{"resolver":"https://pith.science/pith/UGVVNTCEB7EZXOHUOZIHIFCOBL","bundle":"https://pith.science/pith/UGVVNTCEB7EZXOHUOZIHIFCOBL/bundle.json","state":"https://pith.science/pith/UGVVNTCEB7EZXOHUOZIHIFCOBL/state.json","well_known_bundle":"https://pith.science/.well-known/pith/UGVVNTCEB7EZXOHUOZIHIFCOBL/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:UGVVNTCEB7EZXOHUOZIHIFCOBL","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":"15a37c9804da5448753f5c1fd68e08bfcaa49ae66dc5337af04fe8dd1c13bec0","cross_cats_sorted":["astro-ph.IM"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2024-02-14T19:00:00Z","title_canon_sha256":"9b218977abcd5953826f5ddab989da1adfb9513f6de2a003701f180543163744"},"schema_version":"1.0","source":{"id":"2402.09505","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2402.09505","created_at":"2026-07-05T07:45:17Z"},{"alias_kind":"arxiv_version","alias_value":"2402.09505v1","created_at":"2026-07-05T07:45:17Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2402.09505","created_at":"2026-07-05T07:45:17Z"},{"alias_kind":"pith_short_12","alias_value":"UGVVNTCEB7EZ","created_at":"2026-07-05T07:45:17Z"},{"alias_kind":"pith_short_16","alias_value":"UGVVNTCEB7EZXOHU","created_at":"2026-07-05T07:45:17Z"},{"alias_kind":"pith_short_8","alias_value":"UGVVNTCE","created_at":"2026-07-05T07:45:17Z"}],"graph_snapshots":[{"event_id":"sha256:e9cba2240735c74f1f03c36ad26aee2392aecb9297f8a02ea14175b94075063c","target":"graph","created_at":"2026-07-05T07:45:17Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2402.09505/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The close-in regions of bright quasars' host galaxies have been difficult to image due to the overwhelming light from the quasars. With coronagraphic observations in visible light using the Space Telescope Imaging Spectrograph (STIS) on the Hubble Space Telescope, we removed 3C 273 quasar light using color-matching reference stars. The observations revealed the host galaxy from 60\" to 0.2\" with nearly full angular coverage. Isophote modeling revealed a new core jet, a core blob, and multiple smaller-scale blobs within 2.5\". The blobs could potentially be satellite galaxies or infalling materia","authors_text":"Bin B. Ren, Dimitri Mawet, Eileen T. Meyer, Johannes Sahlmann, John H. Debes, Kevin Fogarty, Marshall D. Perrin, Patrick M. Ogle, Youbin Mo","cross_cats":["astro-ph.IM"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2024-02-14T19:00:00Z","title":"3C 273 Host Galaxy with Hubble Space Telescope Coronagraphy"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2402.09505","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":"sha256:09bc660d16aa2c18920af9cdd36619aa8d0bf6cb92b735cd67ceaf0717a09d9e","target":"record","created_at":"2026-07-05T07:45:17Z","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":"15a37c9804da5448753f5c1fd68e08bfcaa49ae66dc5337af04fe8dd1c13bec0","cross_cats_sorted":["astro-ph.IM"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2024-02-14T19:00:00Z","title_canon_sha256":"9b218977abcd5953826f5ddab989da1adfb9513f6de2a003701f180543163744"},"schema_version":"1.0","source":{"id":"2402.09505","kind":"arxiv","version":1}},"canonical_sha256":"a1ab56cc440fc99bb8f4765074144e0af051150c322cd6e502c8fea824cb8139","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a1ab56cc440fc99bb8f4765074144e0af051150c322cd6e502c8fea824cb8139","first_computed_at":"2026-07-05T07:45:17.510841Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T07:45:17.510841Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"2gsQqjDslniPgC/+HnqnJ8Kcg11yNQUMaUTyNfpuQJ7vPXYn1Vzpvdfvfwg7b6JrfxXfmyoXwFbYBSl6IGqUAQ==","signature_status":"signed_v1","signed_at":"2026-07-05T07:45:17.511203Z","signed_message":"canonical_sha256_bytes"},"source_id":"2402.09505","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:09bc660d16aa2c18920af9cdd36619aa8d0bf6cb92b735cd67ceaf0717a09d9e","sha256:e9cba2240735c74f1f03c36ad26aee2392aecb9297f8a02ea14175b94075063c"],"state_sha256":"06b74bc4c878d13a18c6d5fcbb063d44f01ff55781c7c6fa38c88f17e83cdced"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"vcVa4Fb8E66asUpa3Z9PTutCp48TLP+uSbPYRg75iNLcPYbPXosLmt99Jzuyg57G1DyCbnnVPsG20MWgwcvXCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-07T11:15:36.412254Z","bundle_sha256":"95e60342270e279941fc36be07d5eb6950bea620efbbe982a17931767a491af2"}}