{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2003:2L3CUXQDVBT4FY3LBCQBTX5JJM","short_pith_number":"pith:2L3CUXQD","canonical_record":{"source":{"id":"astro-ph/0310029","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2003-10-01T14:50:23Z","cross_cats_sorted":[],"title_canon_sha256":"e80f1cbb7709acfc39a01b46d94c480b7be1761b9929e2102c492125f8bcd896","abstract_canon_sha256":"8f5f603b2655a8ca45a2169eec1bb0f13aa40066ee84636e2911832d9cde25ec"},"schema_version":"1.0"},"canonical_sha256":"d2f62a5e03a867c2e36b08a019dfa94b36a62fae3fb7fc3525acabc21acb4c4a","source":{"kind":"arxiv","id":"astro-ph/0310029","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0310029","created_at":"2026-07-04T16:37:28Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0310029v1","created_at":"2026-07-04T16:37:28Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0310029","created_at":"2026-07-04T16:37:28Z"},{"alias_kind":"pith_short_12","alias_value":"2L3CUXQDVBT4","created_at":"2026-07-04T16:37:28Z"},{"alias_kind":"pith_short_16","alias_value":"2L3CUXQDVBT4FY3L","created_at":"2026-07-04T16:37:28Z"},{"alias_kind":"pith_short_8","alias_value":"2L3CUXQD","created_at":"2026-07-04T16:37:28Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2003:2L3CUXQDVBT4FY3LBCQBTX5JJM","target":"record","payload":{"canonical_record":{"source":{"id":"astro-ph/0310029","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2003-10-01T14:50:23Z","cross_cats_sorted":[],"title_canon_sha256":"e80f1cbb7709acfc39a01b46d94c480b7be1761b9929e2102c492125f8bcd896","abstract_canon_sha256":"8f5f603b2655a8ca45a2169eec1bb0f13aa40066ee84636e2911832d9cde25ec"},"schema_version":"1.0"},"canonical_sha256":"d2f62a5e03a867c2e36b08a019dfa94b36a62fae3fb7fc3525acabc21acb4c4a","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T16:37:28.124274Z","signature_b64":"3AaBFOpJVco/m0P9NlFLkj0lmxG2CnBlJwblkrxap+C9MVEOkM9YKrw7R1bAwvd5uabaBmfx2mBDlXtBSOMGDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d2f62a5e03a867c2e36b08a019dfa94b36a62fae3fb7fc3525acabc21acb4c4a","last_reissued_at":"2026-07-04T16:37:28.123890Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T16:37:28.123890Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"astro-ph/0310029","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":"2026-07-04T16:37:28Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"UYy9GLqbz1mp7VC4GJhn13Cgr2lbBTSGciPUf0Ea701EDlw1es7IgjUTRh2WtUkxdI+9NF7oVrQNZe00TvYYDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T04:05:20.813017Z"},"content_sha256":"84182c2710b3e7e25baf72b82caf2340379f7e0d8418f084497607308a39963d","schema_version":"1.0","event_id":"sha256:84182c2710b3e7e25baf72b82caf2340379f7e0d8418f084497607308a39963d"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2003:2L3CUXQDVBT4FY3LBCQBTX5JJM","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Hubble Space Telescope Observations of NGC 6240: a Case Study of an Ultra-Luminous Infrared Galaxy with Obscured Activity","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"David Axon (RIT), J. Christopher Mihos (CWRU), Joris Gerssen, Joshua E. Barnes (U Hawaii), Lars Hernquist (CfA), Roeland P. van der Marel (STScI)","submitted_at":"2003-10-01T14:50:23Z","abstract_excerpt":"We present results from an HST study of the morphology and kinematics of NGC 6240. This merging galaxy with a double nucleus is one of the nearest and best-studied ultraluminous infrared galaxies. HST resolves both nuclei into seperate components. The distance between the northern and southern optical/near-infrared components is greater than that observed in radio and X-ray studies, arguing that even in K-band we may not be seeing all the way through the dust to the true nuclei. The ionized gas does not display rotation around either of the nuclei, or equilibrium motion in general. There is a "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0310029","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/0310029/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":"2026-07-04T16:37:28Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"2LF9cTwe4nrnV0wywZClHgfYRG113qpShKWTCr4IjJYHx1oqM0TT8RJFRvXc6sp9V8cov263jh/8WhuIZbvCDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T04:05:20.814159Z"},"content_sha256":"aecc78a2bcd56eff4f3289e1bf56d16a6f784f12b30169505f46b100ef8ea8c8","schema_version":"1.0","event_id":"sha256:aecc78a2bcd56eff4f3289e1bf56d16a6f784f12b30169505f46b100ef8ea8c8"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/2L3CUXQDVBT4FY3LBCQBTX5JJM/bundle.json","state_url":"https://pith.science/pith/2L3CUXQDVBT4FY3LBCQBTX5JJM/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/2L3CUXQDVBT4FY3LBCQBTX5JJM/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":"2026-08-04T04:05:20Z","links":{"resolver":"https://pith.science/pith/2L3CUXQDVBT4FY3LBCQBTX5JJM","bundle":"https://pith.science/pith/2L3CUXQDVBT4FY3LBCQBTX5JJM/bundle.json","state":"https://pith.science/pith/2L3CUXQDVBT4FY3LBCQBTX5JJM/state.json","well_known_bundle":"https://pith.science/.well-known/pith/2L3CUXQDVBT4FY3LBCQBTX5JJM/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2003:2L3CUXQDVBT4FY3LBCQBTX5JJM","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":"8f5f603b2655a8ca45a2169eec1bb0f13aa40066ee84636e2911832d9cde25ec","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2003-10-01T14:50:23Z","title_canon_sha256":"e80f1cbb7709acfc39a01b46d94c480b7be1761b9929e2102c492125f8bcd896"},"schema_version":"1.0","source":{"id":"astro-ph/0310029","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0310029","created_at":"2026-07-04T16:37:28Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0310029v1","created_at":"2026-07-04T16:37:28Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0310029","created_at":"2026-07-04T16:37:28Z"},{"alias_kind":"pith_short_12","alias_value":"2L3CUXQDVBT4","created_at":"2026-07-04T16:37:28Z"},{"alias_kind":"pith_short_16","alias_value":"2L3CUXQDVBT4FY3L","created_at":"2026-07-04T16:37:28Z"},{"alias_kind":"pith_short_8","alias_value":"2L3CUXQD","created_at":"2026-07-04T16:37:28Z"}],"graph_snapshots":[{"event_id":"sha256:aecc78a2bcd56eff4f3289e1bf56d16a6f784f12b30169505f46b100ef8ea8c8","target":"graph","created_at":"2026-07-04T16:37:28Z","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/0310029/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We present results from an HST study of the morphology and kinematics of NGC 6240. This merging galaxy with a double nucleus is one of the nearest and best-studied ultraluminous infrared galaxies. HST resolves both nuclei into seperate components. The distance between the northern and southern optical/near-infrared components is greater than that observed in radio and X-ray studies, arguing that even in K-band we may not be seeing all the way through the dust to the true nuclei. The ionized gas does not display rotation around either of the nuclei, or equilibrium motion in general. There is a ","authors_text":"David Axon (RIT), J. Christopher Mihos (CWRU), Joris Gerssen, Joshua E. Barnes (U Hawaii), Lars Hernquist (CfA), Roeland P. van der Marel (STScI)","cross_cats":[],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"2003-10-01T14:50:23Z","title":"Hubble Space Telescope Observations of NGC 6240: a Case Study of an Ultra-Luminous Infrared Galaxy with Obscured Activity"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0310029","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":"sha256:84182c2710b3e7e25baf72b82caf2340379f7e0d8418f084497607308a39963d","target":"record","created_at":"2026-07-04T16:37:28Z","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":"8f5f603b2655a8ca45a2169eec1bb0f13aa40066ee84636e2911832d9cde25ec","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2003-10-01T14:50:23Z","title_canon_sha256":"e80f1cbb7709acfc39a01b46d94c480b7be1761b9929e2102c492125f8bcd896"},"schema_version":"1.0","source":{"id":"astro-ph/0310029","kind":"arxiv","version":1}},"canonical_sha256":"d2f62a5e03a867c2e36b08a019dfa94b36a62fae3fb7fc3525acabc21acb4c4a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d2f62a5e03a867c2e36b08a019dfa94b36a62fae3fb7fc3525acabc21acb4c4a","first_computed_at":"2026-07-04T16:37:28.123890Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T16:37:28.123890Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"3AaBFOpJVco/m0P9NlFLkj0lmxG2CnBlJwblkrxap+C9MVEOkM9YKrw7R1bAwvd5uabaBmfx2mBDlXtBSOMGDQ==","signature_status":"signed_v1","signed_at":"2026-07-04T16:37:28.124274Z","signed_message":"canonical_sha256_bytes"},"source_id":"astro-ph/0310029","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:84182c2710b3e7e25baf72b82caf2340379f7e0d8418f084497607308a39963d","sha256:aecc78a2bcd56eff4f3289e1bf56d16a6f784f12b30169505f46b100ef8ea8c8"],"state_sha256":"2a104a189ae4c50e9cf4c699fd9db0b914708190e85b6659e878a1f83482dd2b"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"EHUs2t8XQlsaBaG7WS/USVoN/oBxDOpNG321MrJkzVYpHwUR2sd9pidfyb8Te/Slgjb54cZXK7ItyT1RNYUiCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-04T04:05:20.820347Z","bundle_sha256":"d1f592478fc5adc4ca75ef24417e104fba8590b03e9c6d0af7c9ef1f63c9bffe"}}