{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:7JV7Y6ZVLJG3OLN5GDH42CGXCT","short_pith_number":"pith:7JV7Y6ZV","canonical_record":{"source":{"id":"1610.00801","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2016-10-04T00:03:28Z","cross_cats_sorted":[],"title_canon_sha256":"6b98b3393f6d22819ceac706cfdf7b8e82ec42a678fa3e447bf26b970c0d56bd","abstract_canon_sha256":"f1916e23f52d90aabb8c71f226ea0b88b81ba7d91bfbb4f758b8635b51da6104"},"schema_version":"1.0"},"canonical_sha256":"fa6bfc7b355a4db72dbd30cfcd08d714eda6b8e490b5f64a24b59db86c835b24","source":{"kind":"arxiv","id":"1610.00801","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1610.00801","created_at":"2026-05-18T01:03:13Z"},{"alias_kind":"arxiv_version","alias_value":"1610.00801v1","created_at":"2026-05-18T01:03:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1610.00801","created_at":"2026-05-18T01:03:13Z"},{"alias_kind":"pith_short_12","alias_value":"7JV7Y6ZVLJG3","created_at":"2026-05-18T12:30:04Z"},{"alias_kind":"pith_short_16","alias_value":"7JV7Y6ZVLJG3OLN5","created_at":"2026-05-18T12:30:04Z"},{"alias_kind":"pith_short_8","alias_value":"7JV7Y6ZV","created_at":"2026-05-18T12:30:04Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:7JV7Y6ZVLJG3OLN5GDH42CGXCT","target":"record","payload":{"canonical_record":{"source":{"id":"1610.00801","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2016-10-04T00:03:28Z","cross_cats_sorted":[],"title_canon_sha256":"6b98b3393f6d22819ceac706cfdf7b8e82ec42a678fa3e447bf26b970c0d56bd","abstract_canon_sha256":"f1916e23f52d90aabb8c71f226ea0b88b81ba7d91bfbb4f758b8635b51da6104"},"schema_version":"1.0"},"canonical_sha256":"fa6bfc7b355a4db72dbd30cfcd08d714eda6b8e490b5f64a24b59db86c835b24","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:03:13.157705Z","signature_b64":"krdF0a567viW//geAReq5aC7WqKunSqL/rTO3sUnv8If+UbiSBOMnVHHtt3RTYFAHwUvLNm6QS+BhVQLoxG8Cw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"fa6bfc7b355a4db72dbd30cfcd08d714eda6b8e490b5f64a24b59db86c835b24","last_reissued_at":"2026-05-18T01:03:13.157151Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:03:13.157151Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1610.00801","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":"2026-05-18T01:03:13Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"yMTZSNT6w3XUqb6Y1Q+dJYGRLG2Ktt4afsXlbhjQqX5AGMx+ScaslyeMw7ukBcQmXp8k2qeJwBrF/NGrkjldAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T18:26:06.520931Z"},"content_sha256":"2ba5aa91b985b3aa8d1863892a0b18449e5db4fe0ab80db6e6f541d3b696928b","schema_version":"1.0","event_id":"sha256:2ba5aa91b985b3aa8d1863892a0b18449e5db4fe0ab80db6e6f541d3b696928b"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:7JV7Y6ZVLJG3OLN5GDH42CGXCT","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The quest for the largest depleted galaxy core: supermassive black hole binaries and stalled in-falling satellites","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Alister W. Graham, Paolo Bonfini","submitted_at":"2016-10-04T00:03:28Z","abstract_excerpt":"Partially-depleted cores are practically ubiquitous in luminous early-type galaxies (M$_{B}\\lesssim-$20.5 mag), and typically smaller than 1 kpc. In one popular scenario, supermassive black hole binaries --- established during dry (i.e. gas-poor) galaxy mergers --- kick out the stars from a galaxy's central region via three-body interactions. Here, this \"binary black hole scouring scenario\" is probed at its extremes by investigating the two galaxies reported to have the largest partially-depleted cores found to date: 2MASX~J09194427+5622012 and 2MASX~J17222717+3207571 (the brightest galaxy in "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1610.00801","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":"2026-05-18T01:03:13Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"43RBTrZRpEZmmMrfHEYNvP9FJza7KyohHGErQbsaSvTzBNpxXfroKP2OZgkfj2vGZdjrIfEDGnLBnvHQ1NZeBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T18:26:06.521664Z"},"content_sha256":"57051a00865038d495bb37b93783ff34d6f40ce47baefa5bd6264a9b6a15f266","schema_version":"1.0","event_id":"sha256:57051a00865038d495bb37b93783ff34d6f40ce47baefa5bd6264a9b6a15f266"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/7JV7Y6ZVLJG3OLN5GDH42CGXCT/bundle.json","state_url":"https://pith.science/pith/7JV7Y6ZVLJG3OLN5GDH42CGXCT/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/7JV7Y6ZVLJG3OLN5GDH42CGXCT/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":"2026-05-25T18:26:06Z","links":{"resolver":"https://pith.science/pith/7JV7Y6ZVLJG3OLN5GDH42CGXCT","bundle":"https://pith.science/pith/7JV7Y6ZVLJG3OLN5GDH42CGXCT/bundle.json","state":"https://pith.science/pith/7JV7Y6ZVLJG3OLN5GDH42CGXCT/state.json","well_known_bundle":"https://pith.science/.well-known/pith/7JV7Y6ZVLJG3OLN5GDH42CGXCT/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:7JV7Y6ZVLJG3OLN5GDH42CGXCT","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":"f1916e23f52d90aabb8c71f226ea0b88b81ba7d91bfbb4f758b8635b51da6104","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2016-10-04T00:03:28Z","title_canon_sha256":"6b98b3393f6d22819ceac706cfdf7b8e82ec42a678fa3e447bf26b970c0d56bd"},"schema_version":"1.0","source":{"id":"1610.00801","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1610.00801","created_at":"2026-05-18T01:03:13Z"},{"alias_kind":"arxiv_version","alias_value":"1610.00801v1","created_at":"2026-05-18T01:03:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1610.00801","created_at":"2026-05-18T01:03:13Z"},{"alias_kind":"pith_short_12","alias_value":"7JV7Y6ZVLJG3","created_at":"2026-05-18T12:30:04Z"},{"alias_kind":"pith_short_16","alias_value":"7JV7Y6ZVLJG3OLN5","created_at":"2026-05-18T12:30:04Z"},{"alias_kind":"pith_short_8","alias_value":"7JV7Y6ZV","created_at":"2026-05-18T12:30:04Z"}],"graph_snapshots":[{"event_id":"sha256:57051a00865038d495bb37b93783ff34d6f40ce47baefa5bd6264a9b6a15f266","target":"graph","created_at":"2026-05-18T01:03:13Z","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":"Partially-depleted cores are practically ubiquitous in luminous early-type galaxies (M$_{B}\\lesssim-$20.5 mag), and typically smaller than 1 kpc. In one popular scenario, supermassive black hole binaries --- established during dry (i.e. gas-poor) galaxy mergers --- kick out the stars from a galaxy's central region via three-body interactions. Here, this \"binary black hole scouring scenario\" is probed at its extremes by investigating the two galaxies reported to have the largest partially-depleted cores found to date: 2MASX~J09194427+5622012 and 2MASX~J17222717+3207571 (the brightest galaxy in ","authors_text":"Alister W. Graham, Paolo Bonfini","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2016-10-04T00:03:28Z","title":"The quest for the largest depleted galaxy core: supermassive black hole binaries and stalled in-falling satellites"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1610.00801","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":"sha256:2ba5aa91b985b3aa8d1863892a0b18449e5db4fe0ab80db6e6f541d3b696928b","target":"record","created_at":"2026-05-18T01:03:13Z","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":"f1916e23f52d90aabb8c71f226ea0b88b81ba7d91bfbb4f758b8635b51da6104","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2016-10-04T00:03:28Z","title_canon_sha256":"6b98b3393f6d22819ceac706cfdf7b8e82ec42a678fa3e447bf26b970c0d56bd"},"schema_version":"1.0","source":{"id":"1610.00801","kind":"arxiv","version":1}},"canonical_sha256":"fa6bfc7b355a4db72dbd30cfcd08d714eda6b8e490b5f64a24b59db86c835b24","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"fa6bfc7b355a4db72dbd30cfcd08d714eda6b8e490b5f64a24b59db86c835b24","first_computed_at":"2026-05-18T01:03:13.157151Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:03:13.157151Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"krdF0a567viW//geAReq5aC7WqKunSqL/rTO3sUnv8If+UbiSBOMnVHHtt3RTYFAHwUvLNm6QS+BhVQLoxG8Cw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:03:13.157705Z","signed_message":"canonical_sha256_bytes"},"source_id":"1610.00801","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:2ba5aa91b985b3aa8d1863892a0b18449e5db4fe0ab80db6e6f541d3b696928b","sha256:57051a00865038d495bb37b93783ff34d6f40ce47baefa5bd6264a9b6a15f266"],"state_sha256":"859b8c35d9fe271d5979f116b1135d8f43323bcabadbeb7661ee5f2707c9350f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"vuw/ajhi82gmpGDAkSEiwYvVu/6C8B6gzd3rp9x0W+yWS/amzOuE12LFo1wIJXsVTdLGLXWIaaY7c2uifvfvBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T18:26:06.526069Z","bundle_sha256":"1347d598a54028849d64f7744878f620146ddb08b9d3ff136e7144b817b3976f"}}