{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:YOJAF2AOGVJMXJFVB2FKPD32GV","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":"37e467b0fd3a735b601f8651c673474241f362f72cd9959e5451cbc5ac2a34da","cross_cats_sorted":["astro-ph.HE"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2022-01-04T10:49:27Z","title_canon_sha256":"685e28360807ad6774c331469fe13b2e34d30b2cc2248f14bc150b31e71647f2"},"schema_version":"1.0","source":{"id":"2201.01078","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2201.01078","created_at":"2026-07-05T05:01:17Z"},{"alias_kind":"arxiv_version","alias_value":"2201.01078v1","created_at":"2026-07-05T05:01:17Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2201.01078","created_at":"2026-07-05T05:01:17Z"},{"alias_kind":"pith_short_12","alias_value":"YOJAF2AOGVJM","created_at":"2026-07-05T05:01:17Z"},{"alias_kind":"pith_short_16","alias_value":"YOJAF2AOGVJMXJFV","created_at":"2026-07-05T05:01:17Z"},{"alias_kind":"pith_short_8","alias_value":"YOJAF2AO","created_at":"2026-07-05T05:01:17Z"}],"graph_snapshots":[{"event_id":"sha256:58edf335b2c814ff1f2f031d831e193643a03244937947965b3c44861bd81dac","target":"graph","created_at":"2026-07-05T05:01:17Z","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/2201.01078/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Intermediate-mass black holes (IMBHs; $M_{BH} <2*10^{5} M_{\\odot}$) in galaxy centers are cruciel for painting a coherent picture of the formation and growth of supermassive black holes (SMBHs). Using Big Data analysis, we identified 305 IMBH candidates for IMBH and 1623 candidates of `light-weight' SMBHs ($2 * 10^{5} M_{odot} < M_{BH} <10^{6} M_{\\odot}$). For 35 host galaxies from this combined sample with the X-ray-confirmed active galactic nuclei (AGN) we collected and analyzed optical spectroscopic observations. These data show that bulge stellar velocity dispersions ($\\sigma_*$) lie in th","authors_text":"Igor Chilingaryan, Ivan Katkov, Ivan Kuzmin, Kirill Grishin, Mariia Demianenko, Victoria Toptun, Vladimir Goradzhanov","cross_cats":["astro-ph.HE"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2022-01-04T10:49:27Z","title":"Optical spectroscopic observations of intermediate-mass black holes and their host galaxies: the $M_{BH}-\\sigma_*$ relation"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2201.01078","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:ee0e87fbf920d7acac349c89586827077e1b995202ae7373eb369927702b1c46","target":"record","created_at":"2026-07-05T05:01:17Z","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":"37e467b0fd3a735b601f8651c673474241f362f72cd9959e5451cbc5ac2a34da","cross_cats_sorted":["astro-ph.HE"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2022-01-04T10:49:27Z","title_canon_sha256":"685e28360807ad6774c331469fe13b2e34d30b2cc2248f14bc150b31e71647f2"},"schema_version":"1.0","source":{"id":"2201.01078","kind":"arxiv","version":1}},"canonical_sha256":"c39202e80e3552cba4b50e8aa78f7a355331e82029ba79ac0c82b3c444963b2f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c39202e80e3552cba4b50e8aa78f7a355331e82029ba79ac0c82b3c444963b2f","first_computed_at":"2026-07-05T05:01:17.879469Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T05:01:17.879469Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"d2lcI3TaLatPsQrJymQ7aSE9aOCOrRP22ILzaDJ3KXiuFbKLm8khGnkl6B6CIRlkf4fmcpVZVa3gqef//5ZVBQ==","signature_status":"signed_v1","signed_at":"2026-07-05T05:01:17.879929Z","signed_message":"canonical_sha256_bytes"},"source_id":"2201.01078","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ee0e87fbf920d7acac349c89586827077e1b995202ae7373eb369927702b1c46","sha256:58edf335b2c814ff1f2f031d831e193643a03244937947965b3c44861bd81dac"],"state_sha256":"eafd0f6a08736e57f07f6c25e1a5c6fb0661139d553efb4f1f913187a257a831"}