{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2010:B7UY6RQXDWDIPT5HY5FCGFITEQ","short_pith_number":"pith:B7UY6RQX","canonical_record":{"source":{"id":"1008.1739","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2010-08-10T15:40:56Z","cross_cats_sorted":["astro-ph.HE"],"title_canon_sha256":"4370932290e3c61710c2b8ebe8cda211444cc773f050c0d286c0bbfc4891bd1c","abstract_canon_sha256":"7a546b8914aaf67461463f477a3e8b7be65dee5934d57d1ab1f846df59144843"},"schema_version":"1.0"},"canonical_sha256":"0fe98f46171d8687cfa7c74a2315132426ae3440a14b087d5c22b67266b918cd","source":{"kind":"arxiv","id":"1008.1739","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1008.1739","created_at":"2026-05-18T02:05:49Z"},{"alias_kind":"arxiv_version","alias_value":"1008.1739v2","created_at":"2026-05-18T02:05:49Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1008.1739","created_at":"2026-05-18T02:05:49Z"},{"alias_kind":"pith_short_12","alias_value":"B7UY6RQXDWDI","created_at":"2026-05-18T12:26:05Z"},{"alias_kind":"pith_short_16","alias_value":"B7UY6RQXDWDIPT5H","created_at":"2026-05-18T12:26:05Z"},{"alias_kind":"pith_short_8","alias_value":"B7UY6RQX","created_at":"2026-05-18T12:26:05Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2010:B7UY6RQXDWDIPT5HY5FCGFITEQ","target":"record","payload":{"canonical_record":{"source":{"id":"1008.1739","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2010-08-10T15:40:56Z","cross_cats_sorted":["astro-ph.HE"],"title_canon_sha256":"4370932290e3c61710c2b8ebe8cda211444cc773f050c0d286c0bbfc4891bd1c","abstract_canon_sha256":"7a546b8914aaf67461463f477a3e8b7be65dee5934d57d1ab1f846df59144843"},"schema_version":"1.0"},"canonical_sha256":"0fe98f46171d8687cfa7c74a2315132426ae3440a14b087d5c22b67266b918cd","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:05:49.748261Z","signature_b64":"ooul7fyseSbDPeS0RnLPCx057LXxh91NZHbyrNpJyh9tTXbyrpYtRmURQlM1i6jzk+uE63bW6HAwT/jFmHl3BQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"0fe98f46171d8687cfa7c74a2315132426ae3440a14b087d5c22b67266b918cd","last_reissued_at":"2026-05-18T02:05:49.747623Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:05:49.747623Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1008.1739","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":"2026-05-18T02:05:49Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"yfU/29K0I3FyXsrpt8qmoZrqQKvkfNaL4q0QyIkGQjRetVQGrL3PfdKFxlcHGFSPI6fAI1bcrFvBAwhgg5hhBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T12:02:44.958584Z"},"content_sha256":"57e4e2c72b1dec87504bdbe02d6c9bb8b8948c6ba0d7eca6d214263b38a2b071","schema_version":"1.0","event_id":"sha256:57e4e2c72b1dec87504bdbe02d6c9bb8b8948c6ba0d7eca6d214263b38a2b071"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2010:B7UY6RQXDWDIPT5HY5FCGFITEQ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"High redshift X-ray cooling-core cluster associated with the luminous radio loud quasar 3C186","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.HE"],"primary_cat":"astro-ph.CO","authors_text":"(2) University of Bristol, (3) KIPAC, (4) Steward Observatory, (5) Naval Research Laboratory), Aneta Siemiginowska (1), C.C.Cheung (5) ((1) Harvard Smithsonian Center for Astrophysics, D.J. Burke (1), D.M. Worrall (2), Jill Bechtold (4), S.Allen (3), Stanford University, Thomas L. Aldcroft (1), Tracy Clarke (5), University of Arizona","submitted_at":"2010-08-10T15:40:56Z","abstract_excerpt":"We present the first results from a new, deep (200ks) Chandra observation of the X-ray luminous galaxy cluster surrounding the powerful (L ~10^47 erg/s), high-redshift (z=1.067), compact-steep-spectrum radio-loud quasar 3C186. The diffuse X-ray emission from the cluster has a roughly ellipsoidal shape and extends out to radii of at least ~60 arcsec (~500 kpc). The centroid of the diffuse X-ray emission is offset by 0.68(+/-0.11) arcsec (5.5+/-0.9 kpc) from the position of the quasar. We measure a cluster mass within the radius at which the mean enclosed density is 2500 times the critical densi"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1008.1739","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":""},"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":"2026-05-18T02:05:49Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"DG0Ws52r0ik4VAaTR/KVmyqC57gTW3ElbLjjaamPm5mu37vsLaT/9ZB2AHipWjs5Vc5dQh4EnOWhFkTcHo5gBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T12:02:44.959289Z"},"content_sha256":"405a33118141585d910f28e6db15928dcdb402e4ae4a5ee44217e7d72ef4c3e1","schema_version":"1.0","event_id":"sha256:405a33118141585d910f28e6db15928dcdb402e4ae4a5ee44217e7d72ef4c3e1"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/B7UY6RQXDWDIPT5HY5FCGFITEQ/bundle.json","state_url":"https://pith.science/pith/B7UY6RQXDWDIPT5HY5FCGFITEQ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/B7UY6RQXDWDIPT5HY5FCGFITEQ/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":"2026-05-25T12:02:44Z","links":{"resolver":"https://pith.science/pith/B7UY6RQXDWDIPT5HY5FCGFITEQ","bundle":"https://pith.science/pith/B7UY6RQXDWDIPT5HY5FCGFITEQ/bundle.json","state":"https://pith.science/pith/B7UY6RQXDWDIPT5HY5FCGFITEQ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/B7UY6RQXDWDIPT5HY5FCGFITEQ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:B7UY6RQXDWDIPT5HY5FCGFITEQ","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":"7a546b8914aaf67461463f477a3e8b7be65dee5934d57d1ab1f846df59144843","cross_cats_sorted":["astro-ph.HE"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2010-08-10T15:40:56Z","title_canon_sha256":"4370932290e3c61710c2b8ebe8cda211444cc773f050c0d286c0bbfc4891bd1c"},"schema_version":"1.0","source":{"id":"1008.1739","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1008.1739","created_at":"2026-05-18T02:05:49Z"},{"alias_kind":"arxiv_version","alias_value":"1008.1739v2","created_at":"2026-05-18T02:05:49Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1008.1739","created_at":"2026-05-18T02:05:49Z"},{"alias_kind":"pith_short_12","alias_value":"B7UY6RQXDWDI","created_at":"2026-05-18T12:26:05Z"},{"alias_kind":"pith_short_16","alias_value":"B7UY6RQXDWDIPT5H","created_at":"2026-05-18T12:26:05Z"},{"alias_kind":"pith_short_8","alias_value":"B7UY6RQX","created_at":"2026-05-18T12:26:05Z"}],"graph_snapshots":[{"event_id":"sha256:405a33118141585d910f28e6db15928dcdb402e4ae4a5ee44217e7d72ef4c3e1","target":"graph","created_at":"2026-05-18T02:05:49Z","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"},"paper":{"abstract_excerpt":"We present the first results from a new, deep (200ks) Chandra observation of the X-ray luminous galaxy cluster surrounding the powerful (L ~10^47 erg/s), high-redshift (z=1.067), compact-steep-spectrum radio-loud quasar 3C186. The diffuse X-ray emission from the cluster has a roughly ellipsoidal shape and extends out to radii of at least ~60 arcsec (~500 kpc). The centroid of the diffuse X-ray emission is offset by 0.68(+/-0.11) arcsec (5.5+/-0.9 kpc) from the position of the quasar. We measure a cluster mass within the radius at which the mean enclosed density is 2500 times the critical densi","authors_text":"(2) University of Bristol, (3) KIPAC, (4) Steward Observatory, (5) Naval Research Laboratory), Aneta Siemiginowska (1), C.C.Cheung (5) ((1) Harvard Smithsonian Center for Astrophysics, D.J. Burke (1), D.M. Worrall (2), Jill Bechtold (4), S.Allen (3), Stanford University, Thomas L. Aldcroft (1), Tracy Clarke (5), University of Arizona","cross_cats":["astro-ph.HE"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2010-08-10T15:40:56Z","title":"High redshift X-ray cooling-core cluster associated with the luminous radio loud quasar 3C186"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1008.1739","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":"sha256:57e4e2c72b1dec87504bdbe02d6c9bb8b8948c6ba0d7eca6d214263b38a2b071","target":"record","created_at":"2026-05-18T02:05:49Z","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":"7a546b8914aaf67461463f477a3e8b7be65dee5934d57d1ab1f846df59144843","cross_cats_sorted":["astro-ph.HE"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2010-08-10T15:40:56Z","title_canon_sha256":"4370932290e3c61710c2b8ebe8cda211444cc773f050c0d286c0bbfc4891bd1c"},"schema_version":"1.0","source":{"id":"1008.1739","kind":"arxiv","version":2}},"canonical_sha256":"0fe98f46171d8687cfa7c74a2315132426ae3440a14b087d5c22b67266b918cd","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"0fe98f46171d8687cfa7c74a2315132426ae3440a14b087d5c22b67266b918cd","first_computed_at":"2026-05-18T02:05:49.747623Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:05:49.747623Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ooul7fyseSbDPeS0RnLPCx057LXxh91NZHbyrNpJyh9tTXbyrpYtRmURQlM1i6jzk+uE63bW6HAwT/jFmHl3BQ==","signature_status":"signed_v1","signed_at":"2026-05-18T02:05:49.748261Z","signed_message":"canonical_sha256_bytes"},"source_id":"1008.1739","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:57e4e2c72b1dec87504bdbe02d6c9bb8b8948c6ba0d7eca6d214263b38a2b071","sha256:405a33118141585d910f28e6db15928dcdb402e4ae4a5ee44217e7d72ef4c3e1"],"state_sha256":"1afa5683db3bb6a9b0ba14dd4371a49e23d1732c532b94afd4a40b8cb753606f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"M41PfufIQx/zFllZk8IZk2e0nPZNGVpJNl/F0t4Tnk9aHltY1XKhhM4YrS7r8XWZctpzozJOxRK8DwU+qZgpCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T12:02:44.963136Z","bundle_sha256":"eb576224df2719fc4c79607c12f1761551a5ac1ecdb863531603d6b73bfd84a9"}}