{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2022:WEDX3MU5UMMZRXN36YLA3PNUUP","short_pith_number":"pith:WEDX3MU5","canonical_record":{"source":{"id":"2212.04710","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2022-12-09T07:45:13Z","cross_cats_sorted":["astro-ph.HE"],"title_canon_sha256":"ffafb44e2bd6a3ed37fd47f5afca5a88b7d3b900c4dd4a3807db9444f29f9328","abstract_canon_sha256":"55a029f693c083de239436215636314359d185ea5abecc0ea14b18ee81835c91"},"schema_version":"1.0"},"canonical_sha256":"b1077db29da31998ddbbf6160dbdb4a3ea954adc03583ae106147cff8dfda585","source":{"kind":"arxiv","id":"2212.04710","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2212.04710","created_at":"2026-07-05T05:47:46Z"},{"alias_kind":"arxiv_version","alias_value":"2212.04710v2","created_at":"2026-07-05T05:47:46Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2212.04710","created_at":"2026-07-05T05:47:46Z"},{"alias_kind":"pith_short_12","alias_value":"WEDX3MU5UMMZ","created_at":"2026-07-05T05:47:46Z"},{"alias_kind":"pith_short_16","alias_value":"WEDX3MU5UMMZRXN3","created_at":"2026-07-05T05:47:46Z"},{"alias_kind":"pith_short_8","alias_value":"WEDX3MU5","created_at":"2026-07-05T05:47:46Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2022:WEDX3MU5UMMZRXN36YLA3PNUUP","target":"record","payload":{"canonical_record":{"source":{"id":"2212.04710","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2022-12-09T07:45:13Z","cross_cats_sorted":["astro-ph.HE"],"title_canon_sha256":"ffafb44e2bd6a3ed37fd47f5afca5a88b7d3b900c4dd4a3807db9444f29f9328","abstract_canon_sha256":"55a029f693c083de239436215636314359d185ea5abecc0ea14b18ee81835c91"},"schema_version":"1.0"},"canonical_sha256":"b1077db29da31998ddbbf6160dbdb4a3ea954adc03583ae106147cff8dfda585","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T05:47:46.887335Z","signature_b64":"PowxnM/EiYyL96t0Nu/QrqWutKFDrKG3jo6axhllqsnU3zF1zKUM0ynIonI2NjaEnVZvQR1Yx8cdVDTqVFg6BA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b1077db29da31998ddbbf6160dbdb4a3ea954adc03583ae106147cff8dfda585","last_reissued_at":"2026-07-05T05:47:46.886829Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T05:47:46.886829Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2212.04710","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T05:47:46Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"E9pt/VtAk6k9OK69IUOsx91WxI9blDtQYBjwUIj+mBGNfgt1Y4j74YM/dIYtqdNbT6CItGTew6NZqc/YAa89Cw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-07T05:16:11.115034Z"},"content_sha256":"e04c48d0622095677ed6080b3f15da6b68565c788a9e032dcf61eee8df84906d","schema_version":"1.0","event_id":"sha256:e04c48d0622095677ed6080b3f15da6b68565c788a9e032dcf61eee8df84906d"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2022:WEDX3MU5UMMZRXN36YLA3PNUUP","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"What if young z>9 JWST galaxies hosted massive black holes?","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.HE"],"primary_cat":"astro-ph.GA","authors_text":"Marta Volonteri, Melanie Habouzit, Monica Colpi","submitted_at":"2022-12-09T07:45:13Z","abstract_excerpt":"JWST is discovering star forming `candidate' galaxies with photometric redshifts $z>9$ and little attenuation. We model presumptive massive black holes (MBHs) in such galaxies and find that their unobscured emission is fainter than the galaxy starlight in JWST filters, and difficult to be detected via color-color selection, and X-ray and radio observations. Only MBHs overmassive relative to expected galaxy scaling relations, accreting at high Eddington rates, would be detectable. Their discovery would point to the presence of heavy MBH seeds, but care is needed to exclude the existence of ligh"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2212.04710","kind":"arxiv","version":2},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2212.04710/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-05T05:47:46Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"gQKldyxp57bQeYhAk8rBL6+qjlFx9TSmgg4bygfdO9rid5eCodcVPywfbT7fHyXSQHV7TGX+/y8dYuDBt+MvBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-07T05:16:11.115586Z"},"content_sha256":"f357fb20b28c022080d40d276e3eff045aeb5f93494fa38b277d549e95f89b55","schema_version":"1.0","event_id":"sha256:f357fb20b28c022080d40d276e3eff045aeb5f93494fa38b277d549e95f89b55"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/WEDX3MU5UMMZRXN36YLA3PNUUP/bundle.json","state_url":"https://pith.science/pith/WEDX3MU5UMMZRXN36YLA3PNUUP/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/WEDX3MU5UMMZRXN36YLA3PNUUP/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":"2026-08-07T05:16:11Z","links":{"resolver":"https://pith.science/pith/WEDX3MU5UMMZRXN36YLA3PNUUP","bundle":"https://pith.science/pith/WEDX3MU5UMMZRXN36YLA3PNUUP/bundle.json","state":"https://pith.science/pith/WEDX3MU5UMMZRXN36YLA3PNUUP/state.json","well_known_bundle":"https://pith.science/.well-known/pith/WEDX3MU5UMMZRXN36YLA3PNUUP/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:WEDX3MU5UMMZRXN36YLA3PNUUP","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":"55a029f693c083de239436215636314359d185ea5abecc0ea14b18ee81835c91","cross_cats_sorted":["astro-ph.HE"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2022-12-09T07:45:13Z","title_canon_sha256":"ffafb44e2bd6a3ed37fd47f5afca5a88b7d3b900c4dd4a3807db9444f29f9328"},"schema_version":"1.0","source":{"id":"2212.04710","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2212.04710","created_at":"2026-07-05T05:47:46Z"},{"alias_kind":"arxiv_version","alias_value":"2212.04710v2","created_at":"2026-07-05T05:47:46Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2212.04710","created_at":"2026-07-05T05:47:46Z"},{"alias_kind":"pith_short_12","alias_value":"WEDX3MU5UMMZ","created_at":"2026-07-05T05:47:46Z"},{"alias_kind":"pith_short_16","alias_value":"WEDX3MU5UMMZRXN3","created_at":"2026-07-05T05:47:46Z"},{"alias_kind":"pith_short_8","alias_value":"WEDX3MU5","created_at":"2026-07-05T05:47:46Z"}],"graph_snapshots":[{"event_id":"sha256:f357fb20b28c022080d40d276e3eff045aeb5f93494fa38b277d549e95f89b55","target":"graph","created_at":"2026-07-05T05:47:46Z","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/2212.04710/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"JWST is discovering star forming `candidate' galaxies with photometric redshifts $z>9$ and little attenuation. We model presumptive massive black holes (MBHs) in such galaxies and find that their unobscured emission is fainter than the galaxy starlight in JWST filters, and difficult to be detected via color-color selection, and X-ray and radio observations. Only MBHs overmassive relative to expected galaxy scaling relations, accreting at high Eddington rates, would be detectable. Their discovery would point to the presence of heavy MBH seeds, but care is needed to exclude the existence of ligh","authors_text":"Marta Volonteri, Melanie Habouzit, Monica Colpi","cross_cats":["astro-ph.HE"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2022-12-09T07:45:13Z","title":"What if young z>9 JWST galaxies hosted massive black holes?"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2212.04710","kind":"arxiv","version":2},"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:e04c48d0622095677ed6080b3f15da6b68565c788a9e032dcf61eee8df84906d","target":"record","created_at":"2026-07-05T05:47:46Z","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":"55a029f693c083de239436215636314359d185ea5abecc0ea14b18ee81835c91","cross_cats_sorted":["astro-ph.HE"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2022-12-09T07:45:13Z","title_canon_sha256":"ffafb44e2bd6a3ed37fd47f5afca5a88b7d3b900c4dd4a3807db9444f29f9328"},"schema_version":"1.0","source":{"id":"2212.04710","kind":"arxiv","version":2}},"canonical_sha256":"b1077db29da31998ddbbf6160dbdb4a3ea954adc03583ae106147cff8dfda585","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b1077db29da31998ddbbf6160dbdb4a3ea954adc03583ae106147cff8dfda585","first_computed_at":"2026-07-05T05:47:46.886829Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T05:47:46.886829Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"PowxnM/EiYyL96t0Nu/QrqWutKFDrKG3jo6axhllqsnU3zF1zKUM0ynIonI2NjaEnVZvQR1Yx8cdVDTqVFg6BA==","signature_status":"signed_v1","signed_at":"2026-07-05T05:47:46.887335Z","signed_message":"canonical_sha256_bytes"},"source_id":"2212.04710","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e04c48d0622095677ed6080b3f15da6b68565c788a9e032dcf61eee8df84906d","sha256:f357fb20b28c022080d40d276e3eff045aeb5f93494fa38b277d549e95f89b55"],"state_sha256":"4eb28ed67446ec6406a778ffc06d243e6cc9de6faa440418c51c3b5cc01db2d3"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"M7wuXx8Ru7XykRkVc4GSI8bW2Gi7tWihBYhSKL9EC7dmQX2og7hqH/RKgV8tgEfNZGx3Uas6sLq6z3NZokvADg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-07T05:16:11.120689Z","bundle_sha256":"2b39568bc06e9d70caf68001a0ad7bbdbc8a54328a7881dad05757a5947a2953"}}