{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:VAB256T4QBWGMPON33OVUGB6SD","short_pith_number":"pith:VAB256T4","canonical_record":{"source":{"id":"1205.6202","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2012-05-28T20:00:00Z","cross_cats_sorted":[],"title_canon_sha256":"cbfeb8850952a82461a073663687a0b9dbf474918854f6109c26ffa450d3d1e3","abstract_canon_sha256":"423509a9506b7dd9cd7966c290828364cc951a561c76bb96e24e3d79a2b8ed87"},"schema_version":"1.0"},"canonical_sha256":"a803aefa7c806c663dcddedd5a183e90f1cc1d3fe149b1863cc490f14b572cfd","source":{"kind":"arxiv","id":"1205.6202","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1205.6202","created_at":"2026-05-18T01:57:16Z"},{"alias_kind":"arxiv_version","alias_value":"1205.6202v3","created_at":"2026-05-18T01:57:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1205.6202","created_at":"2026-05-18T01:57:16Z"},{"alias_kind":"pith_short_12","alias_value":"VAB256T4QBWG","created_at":"2026-05-18T12:27:25Z"},{"alias_kind":"pith_short_16","alias_value":"VAB256T4QBWGMPON","created_at":"2026-05-18T12:27:25Z"},{"alias_kind":"pith_short_8","alias_value":"VAB256T4","created_at":"2026-05-18T12:27:25Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:VAB256T4QBWGMPON33OVUGB6SD","target":"record","payload":{"canonical_record":{"source":{"id":"1205.6202","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2012-05-28T20:00:00Z","cross_cats_sorted":[],"title_canon_sha256":"cbfeb8850952a82461a073663687a0b9dbf474918854f6109c26ffa450d3d1e3","abstract_canon_sha256":"423509a9506b7dd9cd7966c290828364cc951a561c76bb96e24e3d79a2b8ed87"},"schema_version":"1.0"},"canonical_sha256":"a803aefa7c806c663dcddedd5a183e90f1cc1d3fe149b1863cc490f14b572cfd","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:57:16.466095Z","signature_b64":"HPTn76sxmoGNFODN5aI8rYnK+ePkkZO+Am7oOzJ+cZOq7Hxg1+6pryFkHcb5nDflvHmDei3nE+fqyXrv6SRpCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a803aefa7c806c663dcddedd5a183e90f1cc1d3fe149b1863cc490f14b572cfd","last_reissued_at":"2026-05-18T01:57:16.465594Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:57:16.465594Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1205.6202","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:57:16Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"1HdluUu8xRC/XoQGaY1NURRuldwBSVKTVEJw3wt+GD6hM0RWHOx41xR89DFAVnYF7uftaiabeWMKIsqd6duFBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T00:28:56.630377Z"},"content_sha256":"1288f848bf8175f1ce79065c23a5cd15eed03b390d0966ec7af2a976064974b8","schema_version":"1.0","event_id":"sha256:1288f848bf8175f1ce79065c23a5cd15eed03b390d0966ec7af2a976064974b8"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:VAB256T4QBWGMPON33OVUGB6SD","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Constraints on the Nature of CID-42: Recoil Kick or Supermassive Black Hole Pair?","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"Abraham Loeb, Francesca Civano, Laura Blecha, Martin Elvis","submitted_at":"2012-05-28T20:00:00Z","abstract_excerpt":"The galaxy CXOC J100043.1+020637, also known as CID-42, is a highly unusual object. An apparent galaxy merger remnant, it displays signatures of both an inspiraling, kiloparsec-scale active galactic nucleus (AGN) pair and of a recoiling AGN with a kick velocity > 1300 km s^-1. Among recoiling AGN candidates, CID-42 alone has both spatial offsets (in optical and X-ray bands) and spectroscopic offsets. In order to constrain the relative likelihood of both scenarios, we develop models using hydrodynamic galaxy merger simulations coupled with radiative transfer calculations. Our gas-rich, major me"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1205.6202","kind":"arxiv","version":3},"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":"2026-05-18T01:57:16Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Q1NuP43APFiC6p+s/C1FyKg5GdG17+3hUfIBiljz3qN87kJQktW+VKxo3qJSRAaXIfnNWxx0xPS3eftdxF04DA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T00:28:56.631052Z"},"content_sha256":"ef9fc40c6195ce0a9678ef4bde032306ccce238018c78d1a7d44050d8287a947","schema_version":"1.0","event_id":"sha256:ef9fc40c6195ce0a9678ef4bde032306ccce238018c78d1a7d44050d8287a947"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/VAB256T4QBWGMPON33OVUGB6SD/bundle.json","state_url":"https://pith.science/pith/VAB256T4QBWGMPON33OVUGB6SD/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/VAB256T4QBWGMPON33OVUGB6SD/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":"2026-05-30T00:28:56Z","links":{"resolver":"https://pith.science/pith/VAB256T4QBWGMPON33OVUGB6SD","bundle":"https://pith.science/pith/VAB256T4QBWGMPON33OVUGB6SD/bundle.json","state":"https://pith.science/pith/VAB256T4QBWGMPON33OVUGB6SD/state.json","well_known_bundle":"https://pith.science/.well-known/pith/VAB256T4QBWGMPON33OVUGB6SD/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:VAB256T4QBWGMPON33OVUGB6SD","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":"423509a9506b7dd9cd7966c290828364cc951a561c76bb96e24e3d79a2b8ed87","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2012-05-28T20:00:00Z","title_canon_sha256":"cbfeb8850952a82461a073663687a0b9dbf474918854f6109c26ffa450d3d1e3"},"schema_version":"1.0","source":{"id":"1205.6202","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1205.6202","created_at":"2026-05-18T01:57:16Z"},{"alias_kind":"arxiv_version","alias_value":"1205.6202v3","created_at":"2026-05-18T01:57:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1205.6202","created_at":"2026-05-18T01:57:16Z"},{"alias_kind":"pith_short_12","alias_value":"VAB256T4QBWG","created_at":"2026-05-18T12:27:25Z"},{"alias_kind":"pith_short_16","alias_value":"VAB256T4QBWGMPON","created_at":"2026-05-18T12:27:25Z"},{"alias_kind":"pith_short_8","alias_value":"VAB256T4","created_at":"2026-05-18T12:27:25Z"}],"graph_snapshots":[{"event_id":"sha256:ef9fc40c6195ce0a9678ef4bde032306ccce238018c78d1a7d44050d8287a947","target":"graph","created_at":"2026-05-18T01:57:16Z","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":"The galaxy CXOC J100043.1+020637, also known as CID-42, is a highly unusual object. An apparent galaxy merger remnant, it displays signatures of both an inspiraling, kiloparsec-scale active galactic nucleus (AGN) pair and of a recoiling AGN with a kick velocity > 1300 km s^-1. Among recoiling AGN candidates, CID-42 alone has both spatial offsets (in optical and X-ray bands) and spectroscopic offsets. In order to constrain the relative likelihood of both scenarios, we develop models using hydrodynamic galaxy merger simulations coupled with radiative transfer calculations. Our gas-rich, major me","authors_text":"Abraham Loeb, Francesca Civano, Laura Blecha, Martin Elvis","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2012-05-28T20:00:00Z","title":"Constraints on the Nature of CID-42: Recoil Kick or Supermassive Black Hole Pair?"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1205.6202","kind":"arxiv","version":3},"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":"sha256:1288f848bf8175f1ce79065c23a5cd15eed03b390d0966ec7af2a976064974b8","target":"record","created_at":"2026-05-18T01:57:16Z","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":"423509a9506b7dd9cd7966c290828364cc951a561c76bb96e24e3d79a2b8ed87","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2012-05-28T20:00:00Z","title_canon_sha256":"cbfeb8850952a82461a073663687a0b9dbf474918854f6109c26ffa450d3d1e3"},"schema_version":"1.0","source":{"id":"1205.6202","kind":"arxiv","version":3}},"canonical_sha256":"a803aefa7c806c663dcddedd5a183e90f1cc1d3fe149b1863cc490f14b572cfd","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a803aefa7c806c663dcddedd5a183e90f1cc1d3fe149b1863cc490f14b572cfd","first_computed_at":"2026-05-18T01:57:16.465594Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:57:16.465594Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"HPTn76sxmoGNFODN5aI8rYnK+ePkkZO+Am7oOzJ+cZOq7Hxg1+6pryFkHcb5nDflvHmDei3nE+fqyXrv6SRpCg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:57:16.466095Z","signed_message":"canonical_sha256_bytes"},"source_id":"1205.6202","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1288f848bf8175f1ce79065c23a5cd15eed03b390d0966ec7af2a976064974b8","sha256:ef9fc40c6195ce0a9678ef4bde032306ccce238018c78d1a7d44050d8287a947"],"state_sha256":"dacf71733b4f365a9f6b786f9c6b57faf15d52308325e4976e5cb8f330ae27e7"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"3cMnRSFvmc0QIJohAkj8CiA+R4MC5kOzSXSKvGxWrY7UWVJywHNNi8kcpbVAgxitoDi1GcA5pP2qfe9X0htbBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-30T00:28:56.634385Z","bundle_sha256":"25acfcd42d129d46e0928d65c75d8bff0bd24c29783c732c70f726977b81226e"}}