{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:TWO2PRRDRUF5FSFF2DKG5J53UT","short_pith_number":"pith:TWO2PRRD","canonical_record":{"source":{"id":"1201.5395","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2012-01-25T21:13:57Z","cross_cats_sorted":[],"title_canon_sha256":"c7b7efc5e3f218c59e0c8b7a5978f4ea8bbca169440a9aa89ba987b6223a530a","abstract_canon_sha256":"2ccc7c495cf5606cabab6854529d9105dd14e75142da19dc56747453ab967618"},"schema_version":"1.0"},"canonical_sha256":"9d9da7c6238d0bd2c8a5d0d46ea7bba4d8db08c5b4befcdfbb7a0df74c78eb04","source":{"kind":"arxiv","id":"1201.5395","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1201.5395","created_at":"2026-05-18T01:58:41Z"},{"alias_kind":"arxiv_version","alias_value":"1201.5395v1","created_at":"2026-05-18T01:58:41Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1201.5395","created_at":"2026-05-18T01:58:41Z"},{"alias_kind":"pith_short_12","alias_value":"TWO2PRRDRUF5","created_at":"2026-05-18T12:27:23Z"},{"alias_kind":"pith_short_16","alias_value":"TWO2PRRDRUF5FSFF","created_at":"2026-05-18T12:27:23Z"},{"alias_kind":"pith_short_8","alias_value":"TWO2PRRD","created_at":"2026-05-18T12:27:23Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:TWO2PRRDRUF5FSFF2DKG5J53UT","target":"record","payload":{"canonical_record":{"source":{"id":"1201.5395","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2012-01-25T21:13:57Z","cross_cats_sorted":[],"title_canon_sha256":"c7b7efc5e3f218c59e0c8b7a5978f4ea8bbca169440a9aa89ba987b6223a530a","abstract_canon_sha256":"2ccc7c495cf5606cabab6854529d9105dd14e75142da19dc56747453ab967618"},"schema_version":"1.0"},"canonical_sha256":"9d9da7c6238d0bd2c8a5d0d46ea7bba4d8db08c5b4befcdfbb7a0df74c78eb04","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:58:41.845239Z","signature_b64":"RKYP78FxQTkGY9BdKi4khuHGBgO8rG3BXA4fXoNIWh+2KldwfNYX3GGYcTuzKJq5h2ttoOPR1I/5subzXDK6Cg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9d9da7c6238d0bd2c8a5d0d46ea7bba4d8db08c5b4befcdfbb7a0df74c78eb04","last_reissued_at":"2026-05-18T01:58:41.844519Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:58:41.844519Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1201.5395","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":"2026-05-18T01:58:41Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"QmM9+43SaslW2q8q2sXcme7n9pE+fcjiGZe9vqOQwd7+2g+x8jeGfMDWQ96F4Lr5bEeegJ8/Fg0J1StdOX3fCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T11:10:08.230792Z"},"content_sha256":"457bf35660a1832260da6cac9f3324c5840f282fb0c7e3ea211104cd7a272dba","schema_version":"1.0","event_id":"sha256:457bf35660a1832260da6cac9f3324c5840f282fb0c7e3ea211104cd7a272dba"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:TWO2PRRDRUF5FSFF2DKG5J53UT","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The X-ray luminous cluster underlying the z = 1.04 quasar PKS1229-021","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"A. C. Fabian, C. S. Crawford, E. Belsole, G. B. Taylor, H. R. Russell, J. S. Sanders, K. M. Blundell, R. M. Johnstone","submitted_at":"2012-01-25T21:13:57Z","abstract_excerpt":"We present a 100 ks Chandra observation studying the extended X-ray emission around the powerful z=1.04 quasar PKS1229-021. The diffuse cluster X-ray emission can be traced out to ~15 arcsec (~120 kpc) radius and there is a drop in the calculated hardness ratio inside the central 5 arcsec consistent with the presence of a cool core. Radio observations of the quasar show a strong core and a bright, one-sided jet leading to the SW hot spot and a second hot spot visible on the counter-jet side. Although the wings of the quasar PSF provided a significant contribution to the total X-ray flux at all"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1201.5395","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":"2026-05-18T01:58:41Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"TizdtTWXfjFHEgqPCZQuUFqXGgHAKRJMLBtSKshmkbu7QsXYSAm4wViiT/Y32Bpu5FAkCBBE/AUAw67xrMOABA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T11:10:08.231375Z"},"content_sha256":"63593ef414e126383806de106a158de02ba8f19a32bdec1b69e25a9473a2ccee","schema_version":"1.0","event_id":"sha256:63593ef414e126383806de106a158de02ba8f19a32bdec1b69e25a9473a2ccee"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/TWO2PRRDRUF5FSFF2DKG5J53UT/bundle.json","state_url":"https://pith.science/pith/TWO2PRRDRUF5FSFF2DKG5J53UT/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/TWO2PRRDRUF5FSFF2DKG5J53UT/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":"2026-05-27T11:10:08Z","links":{"resolver":"https://pith.science/pith/TWO2PRRDRUF5FSFF2DKG5J53UT","bundle":"https://pith.science/pith/TWO2PRRDRUF5FSFF2DKG5J53UT/bundle.json","state":"https://pith.science/pith/TWO2PRRDRUF5FSFF2DKG5J53UT/state.json","well_known_bundle":"https://pith.science/.well-known/pith/TWO2PRRDRUF5FSFF2DKG5J53UT/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:TWO2PRRDRUF5FSFF2DKG5J53UT","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":"2ccc7c495cf5606cabab6854529d9105dd14e75142da19dc56747453ab967618","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2012-01-25T21:13:57Z","title_canon_sha256":"c7b7efc5e3f218c59e0c8b7a5978f4ea8bbca169440a9aa89ba987b6223a530a"},"schema_version":"1.0","source":{"id":"1201.5395","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1201.5395","created_at":"2026-05-18T01:58:41Z"},{"alias_kind":"arxiv_version","alias_value":"1201.5395v1","created_at":"2026-05-18T01:58:41Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1201.5395","created_at":"2026-05-18T01:58:41Z"},{"alias_kind":"pith_short_12","alias_value":"TWO2PRRDRUF5","created_at":"2026-05-18T12:27:23Z"},{"alias_kind":"pith_short_16","alias_value":"TWO2PRRDRUF5FSFF","created_at":"2026-05-18T12:27:23Z"},{"alias_kind":"pith_short_8","alias_value":"TWO2PRRD","created_at":"2026-05-18T12:27:23Z"}],"graph_snapshots":[{"event_id":"sha256:63593ef414e126383806de106a158de02ba8f19a32bdec1b69e25a9473a2ccee","target":"graph","created_at":"2026-05-18T01:58:41Z","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":"We present a 100 ks Chandra observation studying the extended X-ray emission around the powerful z=1.04 quasar PKS1229-021. The diffuse cluster X-ray emission can be traced out to ~15 arcsec (~120 kpc) radius and there is a drop in the calculated hardness ratio inside the central 5 arcsec consistent with the presence of a cool core. Radio observations of the quasar show a strong core and a bright, one-sided jet leading to the SW hot spot and a second hot spot visible on the counter-jet side. Although the wings of the quasar PSF provided a significant contribution to the total X-ray flux at all","authors_text":"A. C. Fabian, C. S. Crawford, E. Belsole, G. B. Taylor, H. R. Russell, J. S. Sanders, K. M. Blundell, R. M. Johnstone","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2012-01-25T21:13:57Z","title":"The X-ray luminous cluster underlying the z = 1.04 quasar PKS1229-021"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1201.5395","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":"sha256:457bf35660a1832260da6cac9f3324c5840f282fb0c7e3ea211104cd7a272dba","target":"record","created_at":"2026-05-18T01:58:41Z","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":"2ccc7c495cf5606cabab6854529d9105dd14e75142da19dc56747453ab967618","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2012-01-25T21:13:57Z","title_canon_sha256":"c7b7efc5e3f218c59e0c8b7a5978f4ea8bbca169440a9aa89ba987b6223a530a"},"schema_version":"1.0","source":{"id":"1201.5395","kind":"arxiv","version":1}},"canonical_sha256":"9d9da7c6238d0bd2c8a5d0d46ea7bba4d8db08c5b4befcdfbb7a0df74c78eb04","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"9d9da7c6238d0bd2c8a5d0d46ea7bba4d8db08c5b4befcdfbb7a0df74c78eb04","first_computed_at":"2026-05-18T01:58:41.844519Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:58:41.844519Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"RKYP78FxQTkGY9BdKi4khuHGBgO8rG3BXA4fXoNIWh+2KldwfNYX3GGYcTuzKJq5h2ttoOPR1I/5subzXDK6Cg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:58:41.845239Z","signed_message":"canonical_sha256_bytes"},"source_id":"1201.5395","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:457bf35660a1832260da6cac9f3324c5840f282fb0c7e3ea211104cd7a272dba","sha256:63593ef414e126383806de106a158de02ba8f19a32bdec1b69e25a9473a2ccee"],"state_sha256":"86e143dd081814581845d99ece1da8a3be71f1b9085d0c514401a33489bdd926"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"x8K3w/Ol8ux+55zti1YvHIiY9/dl5L9lDdMXBxRzqhwk5Y2BIzaa5Pq0ceMQUPvBNewj4JEOfhVM8+LnAN/KCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T11:10:08.234584Z","bundle_sha256":"14c24ae043a5f2182e9ea764f303f3446a1bcbf692eb4d0615961a8e7e3585e7"}}