{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2009:TWJH4WWLSHPS6SPUAYID3R5PCP","short_pith_number":"pith:TWJH4WWL","canonical_record":{"source":{"id":"0905.3663","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2009-05-22T11:15:31Z","cross_cats_sorted":["astro-ph.HE"],"title_canon_sha256":"40b36e77a0375f8a14b48a6c34412ebbb05c9a36b9e6bcbf8b3e9b13ab939636","abstract_canon_sha256":"f433db3f461287185d06923295b8ec44bf3e66b07fc4efac3b601e2c13c8f696"},"schema_version":"1.0"},"canonical_sha256":"9d927e5acb91df2f49f406103dc7af13eda2a315b878c2b7861f727412f1f9d2","source":{"kind":"arxiv","id":"0905.3663","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0905.3663","created_at":"2026-05-18T02:13:38Z"},{"alias_kind":"arxiv_version","alias_value":"0905.3663v1","created_at":"2026-05-18T02:13:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0905.3663","created_at":"2026-05-18T02:13:38Z"},{"alias_kind":"pith_short_12","alias_value":"TWJH4WWLSHPS","created_at":"2026-05-18T12:26:02Z"},{"alias_kind":"pith_short_16","alias_value":"TWJH4WWLSHPS6SPU","created_at":"2026-05-18T12:26:02Z"},{"alias_kind":"pith_short_8","alias_value":"TWJH4WWL","created_at":"2026-05-18T12:26:02Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2009:TWJH4WWLSHPS6SPUAYID3R5PCP","target":"record","payload":{"canonical_record":{"source":{"id":"0905.3663","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2009-05-22T11:15:31Z","cross_cats_sorted":["astro-ph.HE"],"title_canon_sha256":"40b36e77a0375f8a14b48a6c34412ebbb05c9a36b9e6bcbf8b3e9b13ab939636","abstract_canon_sha256":"f433db3f461287185d06923295b8ec44bf3e66b07fc4efac3b601e2c13c8f696"},"schema_version":"1.0"},"canonical_sha256":"9d927e5acb91df2f49f406103dc7af13eda2a315b878c2b7861f727412f1f9d2","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:13:38.012001Z","signature_b64":"BtmBo/YZ86JEFF+Q+7ULUbzzmoLIpIFvrkaxJ1vg6PlwBYj7+rRLpBv3VkfPQCLxmxGhHowpgnADPgtNFYDrBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9d927e5acb91df2f49f406103dc7af13eda2a315b878c2b7861f727412f1f9d2","last_reissued_at":"2026-05-18T02:13:38.011442Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:13:38.011442Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0905.3663","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":"2026-05-18T02:13:38Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"m1ko6jViq/Fmm/6XYj92g26ACjaZK2EWCpuCssD5odb1bdei4l8uyl2+6PDgCTNmEd6znVGEznlSV+2h5ty/AQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-27T02:54:07.143635Z"},"content_sha256":"6f0c7c0267dc4199d2bec5cda311f00801804e9b71e6e41afac4d201d5196030","schema_version":"1.0","event_id":"sha256:6f0c7c0267dc4199d2bec5cda311f00801804e9b71e6e41afac4d201d5196030"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2009:TWJH4WWLSHPS6SPUAYID3R5PCP","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The black hole mass, Eddington ratio, and M_bh-\\sigma_[O III] relation in young radio galaxies","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.HE"],"primary_cat":"astro-ph.GA","authors_text":"Qingwen Wu (KASI)","submitted_at":"2009-05-22T11:15:31Z","abstract_excerpt":"The BH masses and the Eddington ratios for a sample of 65 young radio galaxies [27 GPS and 38 CSS sources] are estimated by various methods. We find that the average BH mass of these young radio galaxies is <log M_bh>=8.3, which is less than that of radio loud QSOs and low redshift radio galaxies(<log M_bh>=9.0). The CSS/GPS sources have relatively high Eddington ratios with average ratio <log L_bol/L_Edd>=-0.56, which are similar to those of narrow line Seyfert 1 galaxies (NLS1s). It suggests that the CSS/GPS sources may not only be in the early stage of radio activities, but also in the earl"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0905.3663","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":"2026-05-18T02:13:38Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"VUgL1uHadKfXvivyP2k33+K6z2QsBSwL4/1qc/K9SVrR9jvTtCZFUyquGoKyKMT2IMRom4aeLF1Ti2ioAp24CQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-27T02:54:07.143980Z"},"content_sha256":"51e4275af7f13f5acde86b9ed734aaa957cd31eb4810478eb11b71701258f7b3","schema_version":"1.0","event_id":"sha256:51e4275af7f13f5acde86b9ed734aaa957cd31eb4810478eb11b71701258f7b3"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/TWJH4WWLSHPS6SPUAYID3R5PCP/bundle.json","state_url":"https://pith.science/pith/TWJH4WWLSHPS6SPUAYID3R5PCP/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/TWJH4WWLSHPS6SPUAYID3R5PCP/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":"2026-06-27T02:54:07Z","links":{"resolver":"https://pith.science/pith/TWJH4WWLSHPS6SPUAYID3R5PCP","bundle":"https://pith.science/pith/TWJH4WWLSHPS6SPUAYID3R5PCP/bundle.json","state":"https://pith.science/pith/TWJH4WWLSHPS6SPUAYID3R5PCP/state.json","well_known_bundle":"https://pith.science/.well-known/pith/TWJH4WWLSHPS6SPUAYID3R5PCP/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2009:TWJH4WWLSHPS6SPUAYID3R5PCP","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":"f433db3f461287185d06923295b8ec44bf3e66b07fc4efac3b601e2c13c8f696","cross_cats_sorted":["astro-ph.HE"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2009-05-22T11:15:31Z","title_canon_sha256":"40b36e77a0375f8a14b48a6c34412ebbb05c9a36b9e6bcbf8b3e9b13ab939636"},"schema_version":"1.0","source":{"id":"0905.3663","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0905.3663","created_at":"2026-05-18T02:13:38Z"},{"alias_kind":"arxiv_version","alias_value":"0905.3663v1","created_at":"2026-05-18T02:13:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0905.3663","created_at":"2026-05-18T02:13:38Z"},{"alias_kind":"pith_short_12","alias_value":"TWJH4WWLSHPS","created_at":"2026-05-18T12:26:02Z"},{"alias_kind":"pith_short_16","alias_value":"TWJH4WWLSHPS6SPU","created_at":"2026-05-18T12:26:02Z"},{"alias_kind":"pith_short_8","alias_value":"TWJH4WWL","created_at":"2026-05-18T12:26:02Z"}],"graph_snapshots":[{"event_id":"sha256:51e4275af7f13f5acde86b9ed734aaa957cd31eb4810478eb11b71701258f7b3","target":"graph","created_at":"2026-05-18T02:13:38Z","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 BH masses and the Eddington ratios for a sample of 65 young radio galaxies [27 GPS and 38 CSS sources] are estimated by various methods. We find that the average BH mass of these young radio galaxies is <log M_bh>=8.3, which is less than that of radio loud QSOs and low redshift radio galaxies(<log M_bh>=9.0). The CSS/GPS sources have relatively high Eddington ratios with average ratio <log L_bol/L_Edd>=-0.56, which are similar to those of narrow line Seyfert 1 galaxies (NLS1s). It suggests that the CSS/GPS sources may not only be in the early stage of radio activities, but also in the earl","authors_text":"Qingwen Wu (KASI)","cross_cats":["astro-ph.HE"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2009-05-22T11:15:31Z","title":"The black hole mass, Eddington ratio, and M_bh-\\sigma_[O III] relation in young radio galaxies"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0905.3663","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":"sha256:6f0c7c0267dc4199d2bec5cda311f00801804e9b71e6e41afac4d201d5196030","target":"record","created_at":"2026-05-18T02:13:38Z","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":"f433db3f461287185d06923295b8ec44bf3e66b07fc4efac3b601e2c13c8f696","cross_cats_sorted":["astro-ph.HE"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2009-05-22T11:15:31Z","title_canon_sha256":"40b36e77a0375f8a14b48a6c34412ebbb05c9a36b9e6bcbf8b3e9b13ab939636"},"schema_version":"1.0","source":{"id":"0905.3663","kind":"arxiv","version":1}},"canonical_sha256":"9d927e5acb91df2f49f406103dc7af13eda2a315b878c2b7861f727412f1f9d2","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"9d927e5acb91df2f49f406103dc7af13eda2a315b878c2b7861f727412f1f9d2","first_computed_at":"2026-05-18T02:13:38.011442Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:13:38.011442Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"BtmBo/YZ86JEFF+Q+7ULUbzzmoLIpIFvrkaxJ1vg6PlwBYj7+rRLpBv3VkfPQCLxmxGhHowpgnADPgtNFYDrBQ==","signature_status":"signed_v1","signed_at":"2026-05-18T02:13:38.012001Z","signed_message":"canonical_sha256_bytes"},"source_id":"0905.3663","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6f0c7c0267dc4199d2bec5cda311f00801804e9b71e6e41afac4d201d5196030","sha256:51e4275af7f13f5acde86b9ed734aaa957cd31eb4810478eb11b71701258f7b3"],"state_sha256":"d3a8336199f79ee4a7d509cec6ddd613e351b2a46880e19036906a66984b6ad2"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"aUXr/uEXcPvanTXpR67j+nf5vtj6aT/2Mwh/QAoz5yOgG8x1ylrGk6K4wLoS1gEE6aYfES5bMgsujmXYeQL6Ag==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-27T02:54:07.145962Z","bundle_sha256":"0970b723e5eed28017791081e766d0a1d8b8c372030fb7131f0d07712037091c"}}