{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:7YAGQSM54GLESD55KJDSDTOTT7","short_pith_number":"pith:7YAGQSM5","canonical_record":{"source":{"id":"2501.17227","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2025-01-28T19:00:01Z","cross_cats_sorted":[],"title_canon_sha256":"a38b868b0b2582ad740179e1aff4392d161e3e29b70e7cdb33bc7c8bc7115c28","abstract_canon_sha256":"3542aa139fddee65c3a6cb544c5d00c8cf10e9408dbf3a031ddcb45243fcd70c"},"schema_version":"1.0"},"canonical_sha256":"fe0068499de196490fbd524721cdd39fc53003af71bc6257534a7506cb6783c0","source":{"kind":"arxiv","id":"2501.17227","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2501.17227","created_at":"2026-07-05T10:06:49Z"},{"alias_kind":"arxiv_version","alias_value":"2501.17227v1","created_at":"2026-07-05T10:06:49Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2501.17227","created_at":"2026-07-05T10:06:49Z"},{"alias_kind":"pith_short_12","alias_value":"7YAGQSM54GLE","created_at":"2026-07-05T10:06:49Z"},{"alias_kind":"pith_short_16","alias_value":"7YAGQSM54GLESD55","created_at":"2026-07-05T10:06:49Z"},{"alias_kind":"pith_short_8","alias_value":"7YAGQSM5","created_at":"2026-07-05T10:06:49Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:7YAGQSM54GLESD55KJDSDTOTT7","target":"record","payload":{"canonical_record":{"source":{"id":"2501.17227","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2025-01-28T19:00:01Z","cross_cats_sorted":[],"title_canon_sha256":"a38b868b0b2582ad740179e1aff4392d161e3e29b70e7cdb33bc7c8bc7115c28","abstract_canon_sha256":"3542aa139fddee65c3a6cb544c5d00c8cf10e9408dbf3a031ddcb45243fcd70c"},"schema_version":"1.0"},"canonical_sha256":"fe0068499de196490fbd524721cdd39fc53003af71bc6257534a7506cb6783c0","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T10:06:49.717249Z","signature_b64":"L4Ec23wDmc1eWXhWs33euAoyctuwx9aRAP2jj8OQjWxRoYdU4YubvT0jKqmZH0VXBAy1Qi45pFPWm9wRD9/ZAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"fe0068499de196490fbd524721cdd39fc53003af71bc6257534a7506cb6783c0","last_reissued_at":"2026-07-05T10:06:49.716756Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T10:06:49.716756Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2501.17227","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":"2026-07-05T10:06:49Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"3n7mRgQvR7CTJA7/XZLdraGRKS3cod1oYUoW/5ax8ds3atQz4fHUQ9EoWnU60tLBQ1kSa8K18ks8/szVR+ukAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-03T18:15:37.917005Z"},"content_sha256":"9fb4f2a9bcdcfa687bc444c32771a0bc5199ace6ff8e3a674e26f52bd01d0de2","schema_version":"1.0","event_id":"sha256:9fb4f2a9bcdcfa687bc444c32771a0bc5199ace6ff8e3a674e26f52bd01d0de2"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:7YAGQSM54GLESD55KJDSDTOTT7","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The assembly of supermassive black holes at $z<1$ in early-type galaxies from scaling relations","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Andreas Efstathiou, Athena Engholm, Carol Lonsdale, Chris Pearson, David L. Clements, Duncan Farrah, Evanthia Hatziminaoglou, Francesco Shankar, Gregory Tarle, Jose Afonso, Kevin Croker, Kiana Ejercito, Kirsten Jones, Lura K. Pitchford, Mark Lacy, Rogier Windhorst, Sara Petty","submitted_at":"2025-01-28T19:00:01Z","abstract_excerpt":"The assembly of supermassive black hole (SMBH) mass ($M_{\\bullet}$) and stellar mass ($M_{*}$) in galaxies can be studied via the redshift evolution of the $M_{\\bullet}-M_{*}$ relation, but the ways in which selection bias and physical assembly channels affect this evolution are uncertain. To address this, we compare the $M_{\\bullet}-M_{*}$ relation for local massive ($M_{*}>10^{10.5}$M$_{\\odot}$) quiescent early-type galaxies (ETGs) to that for massive ETGs hosting active galactic nuclei (AGN) at $z\\sim0.8$. The restrictions on stellar mass and galaxy type limit the assembly channels that may"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2501.17227","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/2501.17227/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":"2026-07-05T10:06:49Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"DqWECzK2Xv5zg98RaRQkO3TDKKK7V44k6yt1uOAxPOCYgnUNd5oi1kXEp7xnI9GM165PVaKQA9ljyZHuiMWqBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-03T18:15:37.917895Z"},"content_sha256":"2ed1f8e93c2f97a91fce170a4df86811a9a52a7731867c6d5028813d4b291c74","schema_version":"1.0","event_id":"sha256:2ed1f8e93c2f97a91fce170a4df86811a9a52a7731867c6d5028813d4b291c74"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/7YAGQSM54GLESD55KJDSDTOTT7/bundle.json","state_url":"https://pith.science/pith/7YAGQSM54GLESD55KJDSDTOTT7/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/7YAGQSM54GLESD55KJDSDTOTT7/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":"2026-08-03T18:15:37Z","links":{"resolver":"https://pith.science/pith/7YAGQSM54GLESD55KJDSDTOTT7","bundle":"https://pith.science/pith/7YAGQSM54GLESD55KJDSDTOTT7/bundle.json","state":"https://pith.science/pith/7YAGQSM54GLESD55KJDSDTOTT7/state.json","well_known_bundle":"https://pith.science/.well-known/pith/7YAGQSM54GLESD55KJDSDTOTT7/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:7YAGQSM54GLESD55KJDSDTOTT7","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":"3542aa139fddee65c3a6cb544c5d00c8cf10e9408dbf3a031ddcb45243fcd70c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2025-01-28T19:00:01Z","title_canon_sha256":"a38b868b0b2582ad740179e1aff4392d161e3e29b70e7cdb33bc7c8bc7115c28"},"schema_version":"1.0","source":{"id":"2501.17227","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2501.17227","created_at":"2026-07-05T10:06:49Z"},{"alias_kind":"arxiv_version","alias_value":"2501.17227v1","created_at":"2026-07-05T10:06:49Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2501.17227","created_at":"2026-07-05T10:06:49Z"},{"alias_kind":"pith_short_12","alias_value":"7YAGQSM54GLE","created_at":"2026-07-05T10:06:49Z"},{"alias_kind":"pith_short_16","alias_value":"7YAGQSM54GLESD55","created_at":"2026-07-05T10:06:49Z"},{"alias_kind":"pith_short_8","alias_value":"7YAGQSM5","created_at":"2026-07-05T10:06:49Z"}],"graph_snapshots":[{"event_id":"sha256:2ed1f8e93c2f97a91fce170a4df86811a9a52a7731867c6d5028813d4b291c74","target":"graph","created_at":"2026-07-05T10:06:49Z","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/2501.17227/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The assembly of supermassive black hole (SMBH) mass ($M_{\\bullet}$) and stellar mass ($M_{*}$) in galaxies can be studied via the redshift evolution of the $M_{\\bullet}-M_{*}$ relation, but the ways in which selection bias and physical assembly channels affect this evolution are uncertain. To address this, we compare the $M_{\\bullet}-M_{*}$ relation for local massive ($M_{*}>10^{10.5}$M$_{\\odot}$) quiescent early-type galaxies (ETGs) to that for massive ETGs hosting active galactic nuclei (AGN) at $z\\sim0.8$. The restrictions on stellar mass and galaxy type limit the assembly channels that may","authors_text":"Andreas Efstathiou, Athena Engholm, Carol Lonsdale, Chris Pearson, David L. Clements, Duncan Farrah, Evanthia Hatziminaoglou, Francesco Shankar, Gregory Tarle, Jose Afonso, Kevin Croker, Kiana Ejercito, Kirsten Jones, Lura K. Pitchford, Mark Lacy, Rogier Windhorst, Sara Petty","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2025-01-28T19:00:01Z","title":"The assembly of supermassive black holes at $z<1$ in early-type galaxies from scaling relations"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2501.17227","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":"sha256:9fb4f2a9bcdcfa687bc444c32771a0bc5199ace6ff8e3a674e26f52bd01d0de2","target":"record","created_at":"2026-07-05T10:06:49Z","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":"3542aa139fddee65c3a6cb544c5d00c8cf10e9408dbf3a031ddcb45243fcd70c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2025-01-28T19:00:01Z","title_canon_sha256":"a38b868b0b2582ad740179e1aff4392d161e3e29b70e7cdb33bc7c8bc7115c28"},"schema_version":"1.0","source":{"id":"2501.17227","kind":"arxiv","version":1}},"canonical_sha256":"fe0068499de196490fbd524721cdd39fc53003af71bc6257534a7506cb6783c0","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"fe0068499de196490fbd524721cdd39fc53003af71bc6257534a7506cb6783c0","first_computed_at":"2026-07-05T10:06:49.716756Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T10:06:49.716756Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"L4Ec23wDmc1eWXhWs33euAoyctuwx9aRAP2jj8OQjWxRoYdU4YubvT0jKqmZH0VXBAy1Qi45pFPWm9wRD9/ZAw==","signature_status":"signed_v1","signed_at":"2026-07-05T10:06:49.717249Z","signed_message":"canonical_sha256_bytes"},"source_id":"2501.17227","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:9fb4f2a9bcdcfa687bc444c32771a0bc5199ace6ff8e3a674e26f52bd01d0de2","sha256:2ed1f8e93c2f97a91fce170a4df86811a9a52a7731867c6d5028813d4b291c74"],"state_sha256":"e0bf5b347d5ec25818b82c8e0e4a45b258f3d5999fc584f04654fb517df9171a"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"N+9FDs5G1vHYLViqLt33zH7ZGRrZSn1+XSJjRoCKyp6kwHZWgEQQyPN/m8uZAyRLIrTpX0BWgN+E53gVDcjiDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-03T18:15:37.925098Z","bundle_sha256":"afe5aca6c4509ab88dba662e8c6141c5c32f546fed24a27fe916a97b4ebd6b0f"}}