{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:JT2JLBNXRYN7MGDTG3RV7G5Q45","short_pith_number":"pith:JT2JLBNX","canonical_record":{"source":{"id":"2607.26177","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2026-07-28T18:36:46Z","cross_cats_sorted":["astro-ph.HE"],"title_canon_sha256":"93af08c8728675c943a149da5376bf2e2cf393facc763e61be47e473c388ec8c","abstract_canon_sha256":"2d548e104692f60848dd70d48f4d5f76e9e23f5ac07cd37de51eab1842ae989e"},"schema_version":"1.0"},"canonical_sha256":"4cf49585b78e1bf6187336e35f9bb0e748b067f8b9a59fbf8c41cf5b360b772e","source":{"kind":"arxiv","id":"2607.26177","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2607.26177","created_at":"2026-07-30T00:08:38Z"},{"alias_kind":"arxiv_version","alias_value":"2607.26177v1","created_at":"2026-07-30T00:08:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2607.26177","created_at":"2026-07-30T00:08:38Z"},{"alias_kind":"pith_short_12","alias_value":"JT2JLBNXRYN7","created_at":"2026-07-30T00:08:38Z"},{"alias_kind":"pith_short_16","alias_value":"JT2JLBNXRYN7MGDT","created_at":"2026-07-30T00:08:38Z"},{"alias_kind":"pith_short_8","alias_value":"JT2JLBNX","created_at":"2026-07-30T00:08:38Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:JT2JLBNXRYN7MGDTG3RV7G5Q45","target":"record","payload":{"canonical_record":{"source":{"id":"2607.26177","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2026-07-28T18:36:46Z","cross_cats_sorted":["astro-ph.HE"],"title_canon_sha256":"93af08c8728675c943a149da5376bf2e2cf393facc763e61be47e473c388ec8c","abstract_canon_sha256":"2d548e104692f60848dd70d48f4d5f76e9e23f5ac07cd37de51eab1842ae989e"},"schema_version":"1.0"},"canonical_sha256":"4cf49585b78e1bf6187336e35f9bb0e748b067f8b9a59fbf8c41cf5b360b772e","receipt":{"kind":"pith_receipt","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4cf49585b78e1bf6187336e35f9bb0e748b067f8b9a59fbf8c41cf5b360b772e","last_reissued_at":"2026-07-30T00:08:38.598742Z","signature_status":"unsigned_v0","first_computed_at":"2026-07-30T00:08:38.598742Z"},"source_kind":"arxiv","source_id":"2607.26177","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":"2026-07-30T00:08:38Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"RX8H/tz/0B7VuTF2Cu0lxGQak+Ym5avPcBdGWEJmfL74lZ7IvLBIrQcYkcz7DytKOIHgVGWrkgbQOtzeiKEKAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-07T05:23:38.195397Z"},"content_sha256":"82b8b7d88aa469acf090b6efa9c33e5db3f8bd11916f164deab2dd96f65b57a3","schema_version":"1.0","event_id":"sha256:82b8b7d88aa469acf090b6efa9c33e5db3f8bd11916f164deab2dd96f65b57a3"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:JT2JLBNXRYN7MGDTG3RV7G5Q45","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"How to raise a supermassive black hole: interpreting early JWST AGN with the AESOPICA simulations","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["astro-ph.HE"],"primary_cat":"astro-ph.GA","authors_text":"Anthony J. Taylor, Debora Sijacki, Emma Curtis-Lake, Francesco D'Eugenio, Hannah \\\"Ubler, Ignas Juod\\v{z}balis, Jan Scholtz, Lucy R. Ivey, Martin A. Bourne, Rachel S. Somerville, Roberto Maiolino, Sophia Geris, Sophie Koudmani, Steven L. Finkelstein","submitted_at":"2026-07-28T18:36:46Z","abstract_excerpt":"The active black holes uncovered by JWST in the early Universe are highly abundant and seemingly overmassive with respect to local scaling relations, challenging standard models of black hole formation and growth. Yet it remains unclear whether they trace an efficient early growth channel, the observable tail of a broader population, or suffer from systematic uncertainties in mass estimates. We introduce the AESOPICA project, a suite of twelve mid-volume ($L = 60\\,\\mathrm{Mpc}$) cosmological simulations based on the FABLE galaxy formation model, varying the black hole seed mass across the theo"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2607.26177","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2607.26177/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":"2026-07-30T00:08:38Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"l7VIUg9n0mrPSWRFxHRDBYNzY8FAvU5+uEtp5Cipy8bKhTXmnDzHNGC7zBOMJRJ/lbWcQIFZI/j9IUeAjItJBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-07T05:23:38.196128Z"},"content_sha256":"2b6aedaf520d5e8370c958165c4f8d8ee5ccf41a3843505efa08719c4cdbe0dc","schema_version":"1.0","event_id":"sha256:2b6aedaf520d5e8370c958165c4f8d8ee5ccf41a3843505efa08719c4cdbe0dc"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/JT2JLBNXRYN7MGDTG3RV7G5Q45/bundle.json","state_url":"https://pith.science/pith/JT2JLBNXRYN7MGDTG3RV7G5Q45/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/JT2JLBNXRYN7MGDTG3RV7G5Q45/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":"2026-08-07T05:23:38Z","links":{"resolver":"https://pith.science/pith/JT2JLBNXRYN7MGDTG3RV7G5Q45","bundle":"https://pith.science/pith/JT2JLBNXRYN7MGDTG3RV7G5Q45/bundle.json","state":"https://pith.science/pith/JT2JLBNXRYN7MGDTG3RV7G5Q45/state.json","well_known_bundle":"https://pith.science/.well-known/pith/JT2JLBNXRYN7MGDTG3RV7G5Q45/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:JT2JLBNXRYN7MGDTG3RV7G5Q45","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":"2d548e104692f60848dd70d48f4d5f76e9e23f5ac07cd37de51eab1842ae989e","cross_cats_sorted":["astro-ph.HE"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2026-07-28T18:36:46Z","title_canon_sha256":"93af08c8728675c943a149da5376bf2e2cf393facc763e61be47e473c388ec8c"},"schema_version":"1.0","source":{"id":"2607.26177","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2607.26177","created_at":"2026-07-30T00:08:38Z"},{"alias_kind":"arxiv_version","alias_value":"2607.26177v1","created_at":"2026-07-30T00:08:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2607.26177","created_at":"2026-07-30T00:08:38Z"},{"alias_kind":"pith_short_12","alias_value":"JT2JLBNXRYN7","created_at":"2026-07-30T00:08:38Z"},{"alias_kind":"pith_short_16","alias_value":"JT2JLBNXRYN7MGDT","created_at":"2026-07-30T00:08:38Z"},{"alias_kind":"pith_short_8","alias_value":"JT2JLBNX","created_at":"2026-07-30T00:08:38Z"}],"graph_snapshots":[{"event_id":"sha256:2b6aedaf520d5e8370c958165c4f8d8ee5ccf41a3843505efa08719c4cdbe0dc","target":"graph","created_at":"2026-07-30T00:08:38Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2607.26177/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The active black holes uncovered by JWST in the early Universe are highly abundant and seemingly overmassive with respect to local scaling relations, challenging standard models of black hole formation and growth. Yet it remains unclear whether they trace an efficient early growth channel, the observable tail of a broader population, or suffer from systematic uncertainties in mass estimates. We introduce the AESOPICA project, a suite of twelve mid-volume ($L = 60\\,\\mathrm{Mpc}$) cosmological simulations based on the FABLE galaxy formation model, varying the black hole seed mass across the theo","authors_text":"Anthony J. Taylor, Debora Sijacki, Emma Curtis-Lake, Francesco D'Eugenio, Hannah \\\"Ubler, Ignas Juod\\v{z}balis, Jan Scholtz, Lucy R. Ivey, Martin A. Bourne, Rachel S. Somerville, Roberto Maiolino, Sophia Geris, Sophie Koudmani, Steven L. Finkelstein","cross_cats":["astro-ph.HE"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2026-07-28T18:36:46Z","title":"How to raise a supermassive black hole: interpreting early JWST AGN with the AESOPICA simulations"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2607.26177","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":"sha256:82b8b7d88aa469acf090b6efa9c33e5db3f8bd11916f164deab2dd96f65b57a3","target":"record","created_at":"2026-07-30T00:08:38Z","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":"2d548e104692f60848dd70d48f4d5f76e9e23f5ac07cd37de51eab1842ae989e","cross_cats_sorted":["astro-ph.HE"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2026-07-28T18:36:46Z","title_canon_sha256":"93af08c8728675c943a149da5376bf2e2cf393facc763e61be47e473c388ec8c"},"schema_version":"1.0","source":{"id":"2607.26177","kind":"arxiv","version":1}},"canonical_sha256":"4cf49585b78e1bf6187336e35f9bb0e748b067f8b9a59fbf8c41cf5b360b772e","receipt":{"builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"4cf49585b78e1bf6187336e35f9bb0e748b067f8b9a59fbf8c41cf5b360b772e","first_computed_at":"2026-07-30T00:08:38.598742Z","kind":"pith_receipt","last_reissued_at":"2026-07-30T00:08:38.598742Z","receipt_version":"0.3","signature_status":"unsigned_v0"},"source_id":"2607.26177","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:82b8b7d88aa469acf090b6efa9c33e5db3f8bd11916f164deab2dd96f65b57a3","sha256:2b6aedaf520d5e8370c958165c4f8d8ee5ccf41a3843505efa08719c4cdbe0dc"],"state_sha256":"121577aceeca8e077f37c7d82d2eb78508a9b7e944221ab21e055ea1dd0266d9"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"w4fo/bSzNzpw1HB1+rlK+1IoNa1garm9MPOySz8SHwVAezgKeSCwnrdV/Z1ThwTfJYNUlhqZWk5CNjAwcJ9iBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-07T05:23:38.208587Z","bundle_sha256":"ab2a9e81b99e46d3d9ea71b79b35b8a858f56caf509cb51c21e5d2418944ea21"}}