{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:CO4RTL5W66H22NOVHWSEHGATID","short_pith_number":"pith:CO4RTL5W","canonical_record":{"source":{"id":"1805.09351","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-05-23T18:01:20Z","cross_cats_sorted":[],"title_canon_sha256":"8085342ee1241817119a35682af68d26af50719df31dad0df9cdd13e544576f2","abstract_canon_sha256":"f452fad27d3c97becc27fdcb41dc26c036b46843867b3aff10acbae6726b9452"},"schema_version":"1.0"},"canonical_sha256":"13b919afb6f78fad35d53da443981340ee184df4727b016d6adb31ca1e54cca0","source":{"kind":"arxiv","id":"1805.09351","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1805.09351","created_at":"2026-05-18T00:09:59Z"},{"alias_kind":"arxiv_version","alias_value":"1805.09351v1","created_at":"2026-05-18T00:09:59Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1805.09351","created_at":"2026-05-18T00:09:59Z"},{"alias_kind":"pith_short_12","alias_value":"CO4RTL5W66H2","created_at":"2026-05-18T12:32:16Z"},{"alias_kind":"pith_short_16","alias_value":"CO4RTL5W66H22NOV","created_at":"2026-05-18T12:32:16Z"},{"alias_kind":"pith_short_8","alias_value":"CO4RTL5W","created_at":"2026-05-18T12:32:16Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:CO4RTL5W66H22NOVHWSEHGATID","target":"record","payload":{"canonical_record":{"source":{"id":"1805.09351","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-05-23T18:01:20Z","cross_cats_sorted":[],"title_canon_sha256":"8085342ee1241817119a35682af68d26af50719df31dad0df9cdd13e544576f2","abstract_canon_sha256":"f452fad27d3c97becc27fdcb41dc26c036b46843867b3aff10acbae6726b9452"},"schema_version":"1.0"},"canonical_sha256":"13b919afb6f78fad35d53da443981340ee184df4727b016d6adb31ca1e54cca0","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:09:59.049969Z","signature_b64":"JMw6TusiP6xvMQe5Ta+Kys+vJhNXIbtfbqp3zHekmM9GNi+FPeLtiqluuf0Yg+rfJb+QxkNkTm41tFpH++N2Cw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"13b919afb6f78fad35d53da443981340ee184df4727b016d6adb31ca1e54cca0","last_reissued_at":"2026-05-18T00:09:59.049263Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:09:59.049263Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1805.09351","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":"2026-05-18T00:09:59Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"mCWxvEt4YW7isFHiZK2aAq6H2rV7d9PTdu7Y1P1H7Wpn8SeOdQDn8A1InqBTqo+qhtMW3hVTwxdwr2JnD9HAAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-21T16:52:01.593326Z"},"content_sha256":"cf97a5ad9804379de0d37480447895ab039c3962f08652ea5960a9bf5172e61a","schema_version":"1.0","event_id":"sha256:cf97a5ad9804379de0d37480447895ab039c3962f08652ea5960a9bf5172e61a"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:CO4RTL5W66H22NOVHWSEHGATID","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The Hunt for Intermediate Mass Black Holes in the JWST Era","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Claudio Ricci, Jenna M. Cann, Laura Blecha, Mario Gliozzi, Nathan J. Secrest, Nicholas P. Abel, Shobita Satyapal","submitted_at":"2018-05-23T18:01:20Z","abstract_excerpt":"Intermediate mass black holes (IMBHs), with masses between 100 to 10^5 M_\\odot, represent the link between stellar mass black holes and the supermassive black holes that reside in galaxy centers. While IMBHs are crucial to our understanding of black hole seed formation, black holes of less than \\approx 10^4 M_\\odot eluded detection by traditional searches. Observations of the infrared coronal lines (CLs) offer us one of the most promising tools to discover IMBHs in galaxies. We have modeled the infrared emission line spectrum that is produced by gas photoionized by an AGN radiation field and e"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1805.09351","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":"2026-05-18T00:09:59Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+c5upQ5799cJdbRe9oNG9fhZ6SpLVdcyRTwGWvEtAhmPzxWVflBVPbTjHRL1iL9Xxj6YmKVenn0t1+U36ZojDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-21T16:52:01.593682Z"},"content_sha256":"183497a5a353a2068a5a3a9cbf1ce49c540c8aaec84b9abb0519c7a5cd06f578","schema_version":"1.0","event_id":"sha256:183497a5a353a2068a5a3a9cbf1ce49c540c8aaec84b9abb0519c7a5cd06f578"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/CO4RTL5W66H22NOVHWSEHGATID/bundle.json","state_url":"https://pith.science/pith/CO4RTL5W66H22NOVHWSEHGATID/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/CO4RTL5W66H22NOVHWSEHGATID/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":"2026-05-21T16:52:01Z","links":{"resolver":"https://pith.science/pith/CO4RTL5W66H22NOVHWSEHGATID","bundle":"https://pith.science/pith/CO4RTL5W66H22NOVHWSEHGATID/bundle.json","state":"https://pith.science/pith/CO4RTL5W66H22NOVHWSEHGATID/state.json","well_known_bundle":"https://pith.science/.well-known/pith/CO4RTL5W66H22NOVHWSEHGATID/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:CO4RTL5W66H22NOVHWSEHGATID","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":"f452fad27d3c97becc27fdcb41dc26c036b46843867b3aff10acbae6726b9452","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-05-23T18:01:20Z","title_canon_sha256":"8085342ee1241817119a35682af68d26af50719df31dad0df9cdd13e544576f2"},"schema_version":"1.0","source":{"id":"1805.09351","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1805.09351","created_at":"2026-05-18T00:09:59Z"},{"alias_kind":"arxiv_version","alias_value":"1805.09351v1","created_at":"2026-05-18T00:09:59Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1805.09351","created_at":"2026-05-18T00:09:59Z"},{"alias_kind":"pith_short_12","alias_value":"CO4RTL5W66H2","created_at":"2026-05-18T12:32:16Z"},{"alias_kind":"pith_short_16","alias_value":"CO4RTL5W66H22NOV","created_at":"2026-05-18T12:32:16Z"},{"alias_kind":"pith_short_8","alias_value":"CO4RTL5W","created_at":"2026-05-18T12:32:16Z"}],"graph_snapshots":[{"event_id":"sha256:183497a5a353a2068a5a3a9cbf1ce49c540c8aaec84b9abb0519c7a5cd06f578","target":"graph","created_at":"2026-05-18T00:09:59Z","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":"Intermediate mass black holes (IMBHs), with masses between 100 to 10^5 M_\\odot, represent the link between stellar mass black holes and the supermassive black holes that reside in galaxy centers. While IMBHs are crucial to our understanding of black hole seed formation, black holes of less than \\approx 10^4 M_\\odot eluded detection by traditional searches. Observations of the infrared coronal lines (CLs) offer us one of the most promising tools to discover IMBHs in galaxies. We have modeled the infrared emission line spectrum that is produced by gas photoionized by an AGN radiation field and e","authors_text":"Claudio Ricci, Jenna M. Cann, Laura Blecha, Mario Gliozzi, Nathan J. Secrest, Nicholas P. Abel, Shobita Satyapal","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-05-23T18:01:20Z","title":"The Hunt for Intermediate Mass Black Holes in the JWST Era"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1805.09351","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:cf97a5ad9804379de0d37480447895ab039c3962f08652ea5960a9bf5172e61a","target":"record","created_at":"2026-05-18T00:09:59Z","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":"f452fad27d3c97becc27fdcb41dc26c036b46843867b3aff10acbae6726b9452","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-05-23T18:01:20Z","title_canon_sha256":"8085342ee1241817119a35682af68d26af50719df31dad0df9cdd13e544576f2"},"schema_version":"1.0","source":{"id":"1805.09351","kind":"arxiv","version":1}},"canonical_sha256":"13b919afb6f78fad35d53da443981340ee184df4727b016d6adb31ca1e54cca0","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"13b919afb6f78fad35d53da443981340ee184df4727b016d6adb31ca1e54cca0","first_computed_at":"2026-05-18T00:09:59.049263Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:09:59.049263Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"JMw6TusiP6xvMQe5Ta+Kys+vJhNXIbtfbqp3zHekmM9GNi+FPeLtiqluuf0Yg+rfJb+QxkNkTm41tFpH++N2Cw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:09:59.049969Z","signed_message":"canonical_sha256_bytes"},"source_id":"1805.09351","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:cf97a5ad9804379de0d37480447895ab039c3962f08652ea5960a9bf5172e61a","sha256:183497a5a353a2068a5a3a9cbf1ce49c540c8aaec84b9abb0519c7a5cd06f578"],"state_sha256":"525901bc9d821157747884f11a6fe6976269dc62a52520e3472ea84b84e8d385"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"zzCOROu/q29WwCYSgkP8TwW3krQE+LwWkIS2ANc2PgWhYz09J2eNDsCiDb99dpvYTIdsdz5a0dXKNBrne3gWBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-21T16:52:01.595672Z","bundle_sha256":"4b35a95aff36520d89b05dbe90b970e6fa397bf3a321db4157f4494d2421abfd"}}