{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:CW6PUF4QIKCTPAK5O6VG6XXVYD","short_pith_number":"pith:CW6PUF4Q","canonical_record":{"source":{"id":"1706.06592","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2017-06-20T18:00:01Z","cross_cats_sorted":[],"title_canon_sha256":"1e5f553778ccc091cc6af2883d981b5cb21c2c717842f408da78f5c03dbe4383","abstract_canon_sha256":"df9dee3def8c1f21e922b5761be86a0da6bdea7c0696a038ffc3c2c11eb8e394"},"schema_version":"1.0"},"canonical_sha256":"15bcfa1790428537815d77aa6f5ef5c0cb324e731e0eb91399ea7b150c22fe7a","source":{"kind":"arxiv","id":"1706.06592","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1706.06592","created_at":"2026-05-18T00:41:20Z"},{"alias_kind":"arxiv_version","alias_value":"1706.06592v1","created_at":"2026-05-18T00:41:20Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1706.06592","created_at":"2026-05-18T00:41:20Z"},{"alias_kind":"pith_short_12","alias_value":"CW6PUF4QIKCT","created_at":"2026-05-18T12:31:10Z"},{"alias_kind":"pith_short_16","alias_value":"CW6PUF4QIKCTPAK5","created_at":"2026-05-18T12:31:10Z"},{"alias_kind":"pith_short_8","alias_value":"CW6PUF4Q","created_at":"2026-05-18T12:31:10Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:CW6PUF4QIKCTPAK5O6VG6XXVYD","target":"record","payload":{"canonical_record":{"source":{"id":"1706.06592","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2017-06-20T18:00:01Z","cross_cats_sorted":[],"title_canon_sha256":"1e5f553778ccc091cc6af2883d981b5cb21c2c717842f408da78f5c03dbe4383","abstract_canon_sha256":"df9dee3def8c1f21e922b5761be86a0da6bdea7c0696a038ffc3c2c11eb8e394"},"schema_version":"1.0"},"canonical_sha256":"15bcfa1790428537815d77aa6f5ef5c0cb324e731e0eb91399ea7b150c22fe7a","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:41:20.340093Z","signature_b64":"4CKkmwNPQOF7UcuOH//gO3asrBjg26tqQInqUeI/UU4tgGBA5VKXBR8WJH6QIM2SXYilWigu3c/+/JxjEM9jBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"15bcfa1790428537815d77aa6f5ef5c0cb324e731e0eb91399ea7b150c22fe7a","last_reissued_at":"2026-05-18T00:41:20.339368Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:41:20.339368Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1706.06592","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":"2026-05-18T00:41:20Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"yPSVQXjti98nLWsddLhP/8rLmskCLD8ZqyEHSKxNFy5fBXb6KMkwL/t0LKhW//Pnyv8HPok8RAxaL8FtpvBABg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T00:09:51.305990Z"},"content_sha256":"46ed3ca834c9081e0a9caa51abc8549e1daa80d62a7b632ebb52e8461736a774","schema_version":"1.0","event_id":"sha256:46ed3ca834c9081e0a9caa51abc8549e1daa80d62a7b632ebb52e8461736a774"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:CW6PUF4QIKCTPAK5O6VG6XXVYD","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The sustainable growth of the first black holes","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Edwige Pezzulli, Marta Volonteri, Raffaella Schneider, Rosa Valiante","submitted_at":"2017-06-20T18:00:01Z","abstract_excerpt":"Super-Eddington accretion has been suggested as a possible formation pathway of $10^9 \\, M_\\odot$ supermassive black holes (SMBHs) 800 Myr after the Big Bang. However, stellar feedback from BH seed progenitors and winds from BH accretion disks may decrease BH accretion rates. In this work, we study the impact of these physical processes on the formation of $z \\sim 6$ quasar, including new physical prescriptions in the cosmological, data-constrained semi-analytic model GAMETE/QSOdust. We find that the feedback produced by the first stellar progenitors on the surrounding does not play a relevant"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1706.06592","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":"2026-05-18T00:41:20Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"1UCKEvgrpiUMjLFe3FKyQOdlJGUSTvAMotZRpGrKFkn8CUoc8IKQAhGXbTHo1ItRSv6B8c9lUc85eHAyiKyCCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T00:09:51.306357Z"},"content_sha256":"d86d3a8f1b37520866e7c828a0d2f281f5578088f17b201c619c8f40645b5b29","schema_version":"1.0","event_id":"sha256:d86d3a8f1b37520866e7c828a0d2f281f5578088f17b201c619c8f40645b5b29"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/CW6PUF4QIKCTPAK5O6VG6XXVYD/bundle.json","state_url":"https://pith.science/pith/CW6PUF4QIKCTPAK5O6VG6XXVYD/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/CW6PUF4QIKCTPAK5O6VG6XXVYD/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":"2026-06-03T00:09:51Z","links":{"resolver":"https://pith.science/pith/CW6PUF4QIKCTPAK5O6VG6XXVYD","bundle":"https://pith.science/pith/CW6PUF4QIKCTPAK5O6VG6XXVYD/bundle.json","state":"https://pith.science/pith/CW6PUF4QIKCTPAK5O6VG6XXVYD/state.json","well_known_bundle":"https://pith.science/.well-known/pith/CW6PUF4QIKCTPAK5O6VG6XXVYD/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:CW6PUF4QIKCTPAK5O6VG6XXVYD","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":"df9dee3def8c1f21e922b5761be86a0da6bdea7c0696a038ffc3c2c11eb8e394","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2017-06-20T18:00:01Z","title_canon_sha256":"1e5f553778ccc091cc6af2883d981b5cb21c2c717842f408da78f5c03dbe4383"},"schema_version":"1.0","source":{"id":"1706.06592","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1706.06592","created_at":"2026-05-18T00:41:20Z"},{"alias_kind":"arxiv_version","alias_value":"1706.06592v1","created_at":"2026-05-18T00:41:20Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1706.06592","created_at":"2026-05-18T00:41:20Z"},{"alias_kind":"pith_short_12","alias_value":"CW6PUF4QIKCT","created_at":"2026-05-18T12:31:10Z"},{"alias_kind":"pith_short_16","alias_value":"CW6PUF4QIKCTPAK5","created_at":"2026-05-18T12:31:10Z"},{"alias_kind":"pith_short_8","alias_value":"CW6PUF4Q","created_at":"2026-05-18T12:31:10Z"}],"graph_snapshots":[{"event_id":"sha256:d86d3a8f1b37520866e7c828a0d2f281f5578088f17b201c619c8f40645b5b29","target":"graph","created_at":"2026-05-18T00:41:20Z","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":"Super-Eddington accretion has been suggested as a possible formation pathway of $10^9 \\, M_\\odot$ supermassive black holes (SMBHs) 800 Myr after the Big Bang. However, stellar feedback from BH seed progenitors and winds from BH accretion disks may decrease BH accretion rates. In this work, we study the impact of these physical processes on the formation of $z \\sim 6$ quasar, including new physical prescriptions in the cosmological, data-constrained semi-analytic model GAMETE/QSOdust. We find that the feedback produced by the first stellar progenitors on the surrounding does not play a relevant","authors_text":"Edwige Pezzulli, Marta Volonteri, Raffaella Schneider, Rosa Valiante","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2017-06-20T18:00:01Z","title":"The sustainable growth of the first black holes"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1706.06592","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":"sha256:46ed3ca834c9081e0a9caa51abc8549e1daa80d62a7b632ebb52e8461736a774","target":"record","created_at":"2026-05-18T00:41:20Z","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":"df9dee3def8c1f21e922b5761be86a0da6bdea7c0696a038ffc3c2c11eb8e394","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2017-06-20T18:00:01Z","title_canon_sha256":"1e5f553778ccc091cc6af2883d981b5cb21c2c717842f408da78f5c03dbe4383"},"schema_version":"1.0","source":{"id":"1706.06592","kind":"arxiv","version":1}},"canonical_sha256":"15bcfa1790428537815d77aa6f5ef5c0cb324e731e0eb91399ea7b150c22fe7a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"15bcfa1790428537815d77aa6f5ef5c0cb324e731e0eb91399ea7b150c22fe7a","first_computed_at":"2026-05-18T00:41:20.339368Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:41:20.339368Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"4CKkmwNPQOF7UcuOH//gO3asrBjg26tqQInqUeI/UU4tgGBA5VKXBR8WJH6QIM2SXYilWigu3c/+/JxjEM9jBg==","signature_status":"signed_v1","signed_at":"2026-05-18T00:41:20.340093Z","signed_message":"canonical_sha256_bytes"},"source_id":"1706.06592","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:46ed3ca834c9081e0a9caa51abc8549e1daa80d62a7b632ebb52e8461736a774","sha256:d86d3a8f1b37520866e7c828a0d2f281f5578088f17b201c619c8f40645b5b29"],"state_sha256":"fbb16e1e5c7137496b1f4fd3be3c7ea5dda9d6b30e80201dd01b02e66d042ea0"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"fXufm6eHWO3/nrNcINNdz0kAJCqqdk0uUKIgp0kJWKSxWz2ZREYE32zm1cAV25ManLUQH0qCQQmnWH1Pop31BA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-03T00:09:51.308387Z","bundle_sha256":"27d2ee5a54a91602b34f3375709ccd5971f70e2e53691e8033777415bb428533"}}