{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2010:RI4ALYGJJYI4V7EECW7HGKODR5","short_pith_number":"pith:RI4ALYGJ","canonical_record":{"source":{"id":"1002.1705","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2010-02-08T20:18:55Z","cross_cats_sorted":["astro-ph.GA"],"title_canon_sha256":"1d5234a5c5952b51f239d7d9076d9eab37cabe9cbfac555ed311f0617eedec7a","abstract_canon_sha256":"69e8e3b3fc33241134a280fde6fbc40ae8171b293c0c53148d04e670e5a6127d"},"schema_version":"1.0"},"canonical_sha256":"8a3805e0c94e11cafc8415be7329c38f643d3083608e7c583846d812ae4ddd26","source":{"kind":"arxiv","id":"1002.1705","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1002.1705","created_at":"2026-05-18T02:09:11Z"},{"alias_kind":"arxiv_version","alias_value":"1002.1705v1","created_at":"2026-05-18T02:09:11Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1002.1705","created_at":"2026-05-18T02:09:11Z"},{"alias_kind":"pith_short_12","alias_value":"RI4ALYGJJYI4","created_at":"2026-05-18T12:26:13Z"},{"alias_kind":"pith_short_16","alias_value":"RI4ALYGJJYI4V7EE","created_at":"2026-05-18T12:26:13Z"},{"alias_kind":"pith_short_8","alias_value":"RI4ALYGJ","created_at":"2026-05-18T12:26:13Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2010:RI4ALYGJJYI4V7EECW7HGKODR5","target":"record","payload":{"canonical_record":{"source":{"id":"1002.1705","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2010-02-08T20:18:55Z","cross_cats_sorted":["astro-ph.GA"],"title_canon_sha256":"1d5234a5c5952b51f239d7d9076d9eab37cabe9cbfac555ed311f0617eedec7a","abstract_canon_sha256":"69e8e3b3fc33241134a280fde6fbc40ae8171b293c0c53148d04e670e5a6127d"},"schema_version":"1.0"},"canonical_sha256":"8a3805e0c94e11cafc8415be7329c38f643d3083608e7c583846d812ae4ddd26","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:09:11.152741Z","signature_b64":"7s54LBJ5HQfSgiKoEIpTLLJmhF2yWf5GeA4JNm2j55Xn/krTN7V2IWlId4nIAK0T+HHz/iscn/stJ6zzC5rVAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"8a3805e0c94e11cafc8415be7329c38f643d3083608e7c583846d812ae4ddd26","last_reissued_at":"2026-05-18T02:09:11.152039Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:09:11.152039Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1002.1705","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":"2026-05-18T02:09:11Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"xwJ7J+CTLSBowq0WKPdNGjTfUMb0yyezJhbpvaxga3SUvsv9uNPbno+t2H2rlRlYpiilKegfgWxSjM0ovbSpBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T01:25:16.961824Z"},"content_sha256":"ac237fc430063ade65f640f41e1f2b877815eb9965baf97705c166210931a80b","schema_version":"1.0","event_id":"sha256:ac237fc430063ade65f640f41e1f2b877815eb9965baf97705c166210931a80b"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2010:RI4ALYGJJYI4V7EECW7HGKODR5","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The M-Sigma Relation Derived from Sphere of Influence Arguments","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.GA"],"primary_cat":"astro-ph.CO","authors_text":"D. Batcheldor (Florida Institute of Technology)","submitted_at":"2010-02-08T20:18:55Z","abstract_excerpt":"The observed relation between supermassive black hole (SMBH) mass (M) and bulge stellar velocity dispersion (Sigma) is described by log(M) = alpha + beta*log(Sigma/200 km/s). As this relation has important implications for models of galaxy and SMBH formation and evolution, there continues to be great interest in adding to the M catalog. The \"sphere of influence\" (r) argument uses spatial resolution to exclude some M estimates and pre-select additional galaxies for further SMBH studies. This Letter quantifies the effects of applying the r argument to a population of galaxies and SMBHs that do n"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1002.1705","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":"2026-05-18T02:09:11Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ZjHBOdDB8Eb8cNW2ydekubKlRy+DTZLi+zTfrPODmpo2v+K1Jywzxc6exyNMpO0IFsF+DmoIEs+8KLov+Fj+Aw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T01:25:16.962365Z"},"content_sha256":"74d0fe189ceb169900fea1f3313292b9c15d2f5c85d3fd749148c506a880e416","schema_version":"1.0","event_id":"sha256:74d0fe189ceb169900fea1f3313292b9c15d2f5c85d3fd749148c506a880e416"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/RI4ALYGJJYI4V7EECW7HGKODR5/bundle.json","state_url":"https://pith.science/pith/RI4ALYGJJYI4V7EECW7HGKODR5/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/RI4ALYGJJYI4V7EECW7HGKODR5/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":"2026-08-06T01:25:16Z","links":{"resolver":"https://pith.science/pith/RI4ALYGJJYI4V7EECW7HGKODR5","bundle":"https://pith.science/pith/RI4ALYGJJYI4V7EECW7HGKODR5/bundle.json","state":"https://pith.science/pith/RI4ALYGJJYI4V7EECW7HGKODR5/state.json","well_known_bundle":"https://pith.science/.well-known/pith/RI4ALYGJJYI4V7EECW7HGKODR5/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:RI4ALYGJJYI4V7EECW7HGKODR5","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":"69e8e3b3fc33241134a280fde6fbc40ae8171b293c0c53148d04e670e5a6127d","cross_cats_sorted":["astro-ph.GA"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2010-02-08T20:18:55Z","title_canon_sha256":"1d5234a5c5952b51f239d7d9076d9eab37cabe9cbfac555ed311f0617eedec7a"},"schema_version":"1.0","source":{"id":"1002.1705","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1002.1705","created_at":"2026-05-18T02:09:11Z"},{"alias_kind":"arxiv_version","alias_value":"1002.1705v1","created_at":"2026-05-18T02:09:11Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1002.1705","created_at":"2026-05-18T02:09:11Z"},{"alias_kind":"pith_short_12","alias_value":"RI4ALYGJJYI4","created_at":"2026-05-18T12:26:13Z"},{"alias_kind":"pith_short_16","alias_value":"RI4ALYGJJYI4V7EE","created_at":"2026-05-18T12:26:13Z"},{"alias_kind":"pith_short_8","alias_value":"RI4ALYGJ","created_at":"2026-05-18T12:26:13Z"}],"graph_snapshots":[{"event_id":"sha256:74d0fe189ceb169900fea1f3313292b9c15d2f5c85d3fd749148c506a880e416","target":"graph","created_at":"2026-05-18T02:09:11Z","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 observed relation between supermassive black hole (SMBH) mass (M) and bulge stellar velocity dispersion (Sigma) is described by log(M) = alpha + beta*log(Sigma/200 km/s). As this relation has important implications for models of galaxy and SMBH formation and evolution, there continues to be great interest in adding to the M catalog. The \"sphere of influence\" (r) argument uses spatial resolution to exclude some M estimates and pre-select additional galaxies for further SMBH studies. This Letter quantifies the effects of applying the r argument to a population of galaxies and SMBHs that do n","authors_text":"D. Batcheldor (Florida Institute of Technology)","cross_cats":["astro-ph.GA"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2010-02-08T20:18:55Z","title":"The M-Sigma Relation Derived from Sphere of Influence Arguments"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1002.1705","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:ac237fc430063ade65f640f41e1f2b877815eb9965baf97705c166210931a80b","target":"record","created_at":"2026-05-18T02:09:11Z","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":"69e8e3b3fc33241134a280fde6fbc40ae8171b293c0c53148d04e670e5a6127d","cross_cats_sorted":["astro-ph.GA"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2010-02-08T20:18:55Z","title_canon_sha256":"1d5234a5c5952b51f239d7d9076d9eab37cabe9cbfac555ed311f0617eedec7a"},"schema_version":"1.0","source":{"id":"1002.1705","kind":"arxiv","version":1}},"canonical_sha256":"8a3805e0c94e11cafc8415be7329c38f643d3083608e7c583846d812ae4ddd26","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"8a3805e0c94e11cafc8415be7329c38f643d3083608e7c583846d812ae4ddd26","first_computed_at":"2026-05-18T02:09:11.152039Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:09:11.152039Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"7s54LBJ5HQfSgiKoEIpTLLJmhF2yWf5GeA4JNm2j55Xn/krTN7V2IWlId4nIAK0T+HHz/iscn/stJ6zzC5rVAA==","signature_status":"signed_v1","signed_at":"2026-05-18T02:09:11.152741Z","signed_message":"canonical_sha256_bytes"},"source_id":"1002.1705","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ac237fc430063ade65f640f41e1f2b877815eb9965baf97705c166210931a80b","sha256:74d0fe189ceb169900fea1f3313292b9c15d2f5c85d3fd749148c506a880e416"],"state_sha256":"3cf758befc74841104c29761ddb5f7c1788c0a6ec55da81bb2336338047b05af"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"VAGRTXBJ3SSiGe+BvydYs7UVW738xs68d3mQxyOcVEttDAKeYoWhHJ4WQCYuvuzjlSZfqfiTcSJBlojNhO9aAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-06T01:25:16.965834Z","bundle_sha256":"91e0c50adca4b74502491cc8f1ae51233640896b570b30be9ebfd46c70e5eccf"}}