{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:U6RO4SISFUFCVUDAUDCLCBMY7O","short_pith_number":"pith:U6RO4SIS","canonical_record":{"source":{"id":"1107.3801","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2011-07-19T18:44:12Z","cross_cats_sorted":[],"title_canon_sha256":"3dd3e1e31ca70d04658f191cab0321bfc773457c99875545117910741dced156","abstract_canon_sha256":"ef76424eebe06a5234b5ed5d04dc88c647df2e848b502021b8a0d78063815d8b"},"schema_version":"1.0"},"canonical_sha256":"a7a2ee49122d0a2ad060a0c4b10598fb88b59d16201fde0215859a458e00d952","source":{"kind":"arxiv","id":"1107.3801","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1107.3801","created_at":"2026-05-18T02:01:14Z"},{"alias_kind":"arxiv_version","alias_value":"1107.3801v1","created_at":"2026-05-18T02:01:14Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1107.3801","created_at":"2026-05-18T02:01:14Z"},{"alias_kind":"pith_short_12","alias_value":"U6RO4SISFUFC","created_at":"2026-05-18T12:26:42Z"},{"alias_kind":"pith_short_16","alias_value":"U6RO4SISFUFCVUDA","created_at":"2026-05-18T12:26:42Z"},{"alias_kind":"pith_short_8","alias_value":"U6RO4SIS","created_at":"2026-05-18T12:26:42Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:U6RO4SISFUFCVUDAUDCLCBMY7O","target":"record","payload":{"canonical_record":{"source":{"id":"1107.3801","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2011-07-19T18:44:12Z","cross_cats_sorted":[],"title_canon_sha256":"3dd3e1e31ca70d04658f191cab0321bfc773457c99875545117910741dced156","abstract_canon_sha256":"ef76424eebe06a5234b5ed5d04dc88c647df2e848b502021b8a0d78063815d8b"},"schema_version":"1.0"},"canonical_sha256":"a7a2ee49122d0a2ad060a0c4b10598fb88b59d16201fde0215859a458e00d952","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:01:14.742282Z","signature_b64":"9IDxLbSPW1y5ErcIdVgT6SA16I7NB1XE3zXPA8PAnFG9g0jTaVd1nQYxQmct+dU8O/o7QlXInZxXJ/a8pVZMCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a7a2ee49122d0a2ad060a0c4b10598fb88b59d16201fde0215859a458e00d952","last_reissued_at":"2026-05-18T02:01:14.741562Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:01:14.741562Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1107.3801","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":"2026-05-18T02:01:14Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"juHw3WQyH7RgQxAd0VhTvBaxtP/dsOD7VaCN+M5eQiAFNvqGNxJcAdKXk++22Q784amP8YUuVLrZoVA22g+jCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T01:08:12.743059Z"},"content_sha256":"71672e9db85ac391ed79200d97c2dfc8c97735b879167deec0be2eca97800b3d","schema_version":"1.0","event_id":"sha256:71672e9db85ac391ed79200d97c2dfc8c97735b879167deec0be2eca97800b3d"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:U6RO4SISFUFCVUDAUDCLCBMY7O","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The Young, the Old, and the Dusty: Stellar Populations of AGN Hosts","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"Aden R. Draper, David R. Ballantyne","submitted_at":"2011-07-19T18:44:12Z","abstract_excerpt":"Studying the average properties of active galactic nuclei (AGN) host stellar populations is an important step in understanding the role of AGN in galaxy evolution and the processes which trigger and fuel AGN activity. Here we calculate model spectral energy distributions (SEDs) that include emission from the AGN, the host galaxy stellar population, and dust enshrouded star formation. Using the framework of cosmic X-ray background population synthesis modeling, the model AGN hosts are constrained using optical (B band) and near infrared (J band, 3.6 um, 5.7 um, 8.0 um, and 24 um) luminosity fun"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1107.3801","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":"2026-05-18T02:01:14Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"9QX7+bN1k0V5KQqfL75wMiU89RtwJ3aDUBpzNbv5OHijbC+CvSNWERbMCrS87DoQLzc2S1E8xqCtbgrtEcugAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T01:08:12.743707Z"},"content_sha256":"b45100d321049e5fe325f7d1ce3842862149d25c78a2a7c061b3b16b35f2b763","schema_version":"1.0","event_id":"sha256:b45100d321049e5fe325f7d1ce3842862149d25c78a2a7c061b3b16b35f2b763"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/U6RO4SISFUFCVUDAUDCLCBMY7O/bundle.json","state_url":"https://pith.science/pith/U6RO4SISFUFCVUDAUDCLCBMY7O/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/U6RO4SISFUFCVUDAUDCLCBMY7O/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":"2026-05-30T01:08:12Z","links":{"resolver":"https://pith.science/pith/U6RO4SISFUFCVUDAUDCLCBMY7O","bundle":"https://pith.science/pith/U6RO4SISFUFCVUDAUDCLCBMY7O/bundle.json","state":"https://pith.science/pith/U6RO4SISFUFCVUDAUDCLCBMY7O/state.json","well_known_bundle":"https://pith.science/.well-known/pith/U6RO4SISFUFCVUDAUDCLCBMY7O/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:U6RO4SISFUFCVUDAUDCLCBMY7O","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":"ef76424eebe06a5234b5ed5d04dc88c647df2e848b502021b8a0d78063815d8b","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2011-07-19T18:44:12Z","title_canon_sha256":"3dd3e1e31ca70d04658f191cab0321bfc773457c99875545117910741dced156"},"schema_version":"1.0","source":{"id":"1107.3801","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1107.3801","created_at":"2026-05-18T02:01:14Z"},{"alias_kind":"arxiv_version","alias_value":"1107.3801v1","created_at":"2026-05-18T02:01:14Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1107.3801","created_at":"2026-05-18T02:01:14Z"},{"alias_kind":"pith_short_12","alias_value":"U6RO4SISFUFC","created_at":"2026-05-18T12:26:42Z"},{"alias_kind":"pith_short_16","alias_value":"U6RO4SISFUFCVUDA","created_at":"2026-05-18T12:26:42Z"},{"alias_kind":"pith_short_8","alias_value":"U6RO4SIS","created_at":"2026-05-18T12:26:42Z"}],"graph_snapshots":[{"event_id":"sha256:b45100d321049e5fe325f7d1ce3842862149d25c78a2a7c061b3b16b35f2b763","target":"graph","created_at":"2026-05-18T02:01:14Z","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":"Studying the average properties of active galactic nuclei (AGN) host stellar populations is an important step in understanding the role of AGN in galaxy evolution and the processes which trigger and fuel AGN activity. Here we calculate model spectral energy distributions (SEDs) that include emission from the AGN, the host galaxy stellar population, and dust enshrouded star formation. Using the framework of cosmic X-ray background population synthesis modeling, the model AGN hosts are constrained using optical (B band) and near infrared (J band, 3.6 um, 5.7 um, 8.0 um, and 24 um) luminosity fun","authors_text":"Aden R. Draper, David R. Ballantyne","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2011-07-19T18:44:12Z","title":"The Young, the Old, and the Dusty: Stellar Populations of AGN Hosts"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1107.3801","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":"sha256:71672e9db85ac391ed79200d97c2dfc8c97735b879167deec0be2eca97800b3d","target":"record","created_at":"2026-05-18T02:01:14Z","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":"ef76424eebe06a5234b5ed5d04dc88c647df2e848b502021b8a0d78063815d8b","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2011-07-19T18:44:12Z","title_canon_sha256":"3dd3e1e31ca70d04658f191cab0321bfc773457c99875545117910741dced156"},"schema_version":"1.0","source":{"id":"1107.3801","kind":"arxiv","version":1}},"canonical_sha256":"a7a2ee49122d0a2ad060a0c4b10598fb88b59d16201fde0215859a458e00d952","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a7a2ee49122d0a2ad060a0c4b10598fb88b59d16201fde0215859a458e00d952","first_computed_at":"2026-05-18T02:01:14.741562Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:01:14.741562Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"9IDxLbSPW1y5ErcIdVgT6SA16I7NB1XE3zXPA8PAnFG9g0jTaVd1nQYxQmct+dU8O/o7QlXInZxXJ/a8pVZMCw==","signature_status":"signed_v1","signed_at":"2026-05-18T02:01:14.742282Z","signed_message":"canonical_sha256_bytes"},"source_id":"1107.3801","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:71672e9db85ac391ed79200d97c2dfc8c97735b879167deec0be2eca97800b3d","sha256:b45100d321049e5fe325f7d1ce3842862149d25c78a2a7c061b3b16b35f2b763"],"state_sha256":"aa0b4d28577547a25acf7cef42b4b48110b6dc3fe4ab9d9d4bca7a3b6b0ed7a2"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"JEoqvVEasXFnuAePp0R4qbFUAjPiSEho1HxjozeixciJpmnL1qlRmuTM+/Q2nHYpw447yKnG/cUQxQbkgUJJBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-30T01:08:12.750825Z","bundle_sha256":"d081842dbee0cda263f7617cbe18ec092cfa30be0ead84d43bed4757dd3643bb"}}