{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:Y5P3G3VBNUTAYTOSWXAR5SDSG6","short_pith_number":"pith:Y5P3G3VB","canonical_record":{"source":{"id":"1911.12828","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2019-11-28T19:00:00Z","cross_cats_sorted":["astro-ph.CO","astro-ph.HE"],"title_canon_sha256":"65b37323e3d19b7455b25298403acd9ca6d3fd2428d1c66522e991a3838472b1","abstract_canon_sha256":"4343c35c9142d144f839dad9d7ee789d403b8f01de92d90c0fcfc98c9a23c56c"},"schema_version":"1.0"},"canonical_sha256":"c75fb36ea16d260c4dd2b5c11ec87237a42bbbef7b654b2850dc7cbab34d7a75","source":{"kind":"arxiv","id":"1911.12828","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1911.12828","created_at":"2026-07-05T00:31:34Z"},{"alias_kind":"arxiv_version","alias_value":"1911.12828v1","created_at":"2026-07-05T00:31:34Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1911.12828","created_at":"2026-07-05T00:31:34Z"},{"alias_kind":"pith_short_12","alias_value":"Y5P3G3VBNUTA","created_at":"2026-07-05T00:31:34Z"},{"alias_kind":"pith_short_16","alias_value":"Y5P3G3VBNUTAYTOS","created_at":"2026-07-05T00:31:34Z"},{"alias_kind":"pith_short_8","alias_value":"Y5P3G3VB","created_at":"2026-07-05T00:31:34Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:Y5P3G3VBNUTAYTOSWXAR5SDSG6","target":"record","payload":{"canonical_record":{"source":{"id":"1911.12828","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2019-11-28T19:00:00Z","cross_cats_sorted":["astro-ph.CO","astro-ph.HE"],"title_canon_sha256":"65b37323e3d19b7455b25298403acd9ca6d3fd2428d1c66522e991a3838472b1","abstract_canon_sha256":"4343c35c9142d144f839dad9d7ee789d403b8f01de92d90c0fcfc98c9a23c56c"},"schema_version":"1.0"},"canonical_sha256":"c75fb36ea16d260c4dd2b5c11ec87237a42bbbef7b654b2850dc7cbab34d7a75","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T00:31:34.320423Z","signature_b64":"iX4iOilz/HmmMI5Inc09kkhUwMg5IeGRW8nHZCFIGk4cvAtospXhHB2Rpeb6z4uTJ3SM1mgJ76VnWW3dj0LUDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c75fb36ea16d260c4dd2b5c11ec87237a42bbbef7b654b2850dc7cbab34d7a75","last_reissued_at":"2026-07-05T00:31:34.319870Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T00:31:34.319870Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1911.12828","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":"2026-07-05T00:31:34Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"8L9ENtKpD/dFldsJqBiIWWaAMjU1/x4RbdS7KYXo/Akcr/+FAdsajuSL04YiCUXLGlhMs8BXfbJ6X5aTnv6pAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-18T10:03:15.385727Z"},"content_sha256":"64b281579d8f63a3c450b91b55dac3a8fac068603e28a178099d3f43b5b7645d","schema_version":"1.0","event_id":"sha256:64b281579d8f63a3c450b91b55dac3a8fac068603e28a178099d3f43b5b7645d"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:Y5P3G3VBNUTAYTOSWXAR5SDSG6","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Discovery of a Powerful >10^61 erg AGN Outburst in Distant Galaxy Cluster SPT-CLJ0528-5300","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO","astro-ph.HE"],"primary_cat":"astro-ph.GA","authors_text":"Alastair C. Edge, Benjamin Floyd, Bradford A. Benson, Brian R. McNamara, Christian L. Reichardt, Julie Hlavacek-Larrondo, Lindsey E. Bleem, Mark Brodwin, Matthew Bayliss, Michael McDonald, Michael S. Calzadilla, Nikhel Gupta","submitted_at":"2019-11-28T19:00:00Z","abstract_excerpt":"We present ~103 ks of Chandra observations of the galaxy cluster SPT-CLJ0528-5300 (SPT0528, z=0.768). This cluster harbors the most radio-loud (L_1.4GHz = 1.01 x 10^33 erg/s/Hz) central AGN of any cluster in the South Pole Telescope (SPT) SZ survey with available X-ray data. We find evidence of AGN-inflated cavities in the X-ray emission, which are consistent with the orientation of the jet direction revealed by ATCA radio data. The combined probability that two such depressions -- each at ~1.4-1.8sigma significance, oriented ~180 degrees apart and aligned with the jet axis -- would occur by c"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1911.12828","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/1911.12828/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":"2026-07-05T00:31:34Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"LtuDTjQotgGsp2x/aBGF66wJ+zeVl4+tgpX6r1RWfdXFgniMScQq2Ymganwnt9CgDmFCgehSACak5Zib2uN6BQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-18T10:03:15.386102Z"},"content_sha256":"dd719b72e7cbad5b1b762c6948f116b80f17f8a9d1f43c019219a35d170127ab","schema_version":"1.0","event_id":"sha256:dd719b72e7cbad5b1b762c6948f116b80f17f8a9d1f43c019219a35d170127ab"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/Y5P3G3VBNUTAYTOSWXAR5SDSG6/bundle.json","state_url":"https://pith.science/pith/Y5P3G3VBNUTAYTOSWXAR5SDSG6/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/Y5P3G3VBNUTAYTOSWXAR5SDSG6/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":"2026-07-18T10:03:15Z","links":{"resolver":"https://pith.science/pith/Y5P3G3VBNUTAYTOSWXAR5SDSG6","bundle":"https://pith.science/pith/Y5P3G3VBNUTAYTOSWXAR5SDSG6/bundle.json","state":"https://pith.science/pith/Y5P3G3VBNUTAYTOSWXAR5SDSG6/state.json","well_known_bundle":"https://pith.science/.well-known/pith/Y5P3G3VBNUTAYTOSWXAR5SDSG6/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:Y5P3G3VBNUTAYTOSWXAR5SDSG6","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":"4343c35c9142d144f839dad9d7ee789d403b8f01de92d90c0fcfc98c9a23c56c","cross_cats_sorted":["astro-ph.CO","astro-ph.HE"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2019-11-28T19:00:00Z","title_canon_sha256":"65b37323e3d19b7455b25298403acd9ca6d3fd2428d1c66522e991a3838472b1"},"schema_version":"1.0","source":{"id":"1911.12828","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1911.12828","created_at":"2026-07-05T00:31:34Z"},{"alias_kind":"arxiv_version","alias_value":"1911.12828v1","created_at":"2026-07-05T00:31:34Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1911.12828","created_at":"2026-07-05T00:31:34Z"},{"alias_kind":"pith_short_12","alias_value":"Y5P3G3VBNUTA","created_at":"2026-07-05T00:31:34Z"},{"alias_kind":"pith_short_16","alias_value":"Y5P3G3VBNUTAYTOS","created_at":"2026-07-05T00:31:34Z"},{"alias_kind":"pith_short_8","alias_value":"Y5P3G3VB","created_at":"2026-07-05T00:31:34Z"}],"graph_snapshots":[{"event_id":"sha256:dd719b72e7cbad5b1b762c6948f116b80f17f8a9d1f43c019219a35d170127ab","target":"graph","created_at":"2026-07-05T00:31:34Z","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/1911.12828/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We present ~103 ks of Chandra observations of the galaxy cluster SPT-CLJ0528-5300 (SPT0528, z=0.768). This cluster harbors the most radio-loud (L_1.4GHz = 1.01 x 10^33 erg/s/Hz) central AGN of any cluster in the South Pole Telescope (SPT) SZ survey with available X-ray data. We find evidence of AGN-inflated cavities in the X-ray emission, which are consistent with the orientation of the jet direction revealed by ATCA radio data. The combined probability that two such depressions -- each at ~1.4-1.8sigma significance, oriented ~180 degrees apart and aligned with the jet axis -- would occur by c","authors_text":"Alastair C. Edge, Benjamin Floyd, Bradford A. Benson, Brian R. McNamara, Christian L. Reichardt, Julie Hlavacek-Larrondo, Lindsey E. Bleem, Mark Brodwin, Matthew Bayliss, Michael McDonald, Michael S. Calzadilla, Nikhel Gupta","cross_cats":["astro-ph.CO","astro-ph.HE"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2019-11-28T19:00:00Z","title":"Discovery of a Powerful >10^61 erg AGN Outburst in Distant Galaxy Cluster SPT-CLJ0528-5300"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1911.12828","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":"sha256:64b281579d8f63a3c450b91b55dac3a8fac068603e28a178099d3f43b5b7645d","target":"record","created_at":"2026-07-05T00:31:34Z","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":"4343c35c9142d144f839dad9d7ee789d403b8f01de92d90c0fcfc98c9a23c56c","cross_cats_sorted":["astro-ph.CO","astro-ph.HE"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2019-11-28T19:00:00Z","title_canon_sha256":"65b37323e3d19b7455b25298403acd9ca6d3fd2428d1c66522e991a3838472b1"},"schema_version":"1.0","source":{"id":"1911.12828","kind":"arxiv","version":1}},"canonical_sha256":"c75fb36ea16d260c4dd2b5c11ec87237a42bbbef7b654b2850dc7cbab34d7a75","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c75fb36ea16d260c4dd2b5c11ec87237a42bbbef7b654b2850dc7cbab34d7a75","first_computed_at":"2026-07-05T00:31:34.319870Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T00:31:34.319870Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"iX4iOilz/HmmMI5Inc09kkhUwMg5IeGRW8nHZCFIGk4cvAtospXhHB2Rpeb6z4uTJ3SM1mgJ76VnWW3dj0LUDg==","signature_status":"signed_v1","signed_at":"2026-07-05T00:31:34.320423Z","signed_message":"canonical_sha256_bytes"},"source_id":"1911.12828","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:64b281579d8f63a3c450b91b55dac3a8fac068603e28a178099d3f43b5b7645d","sha256:dd719b72e7cbad5b1b762c6948f116b80f17f8a9d1f43c019219a35d170127ab"],"state_sha256":"5ef15050171aa2e4e417896485cc5f5e36fb99b5912927f7d2b8525ff41bfe59"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"FTKU4my3uve3twCe89Xvc81hLdinCe2T3z0d7dda37YCg+Cl5HyJN1Cklgo1urpxC0y4grpzy7c4Js5mOO/xDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-18T10:03:15.388567Z","bundle_sha256":"df788edb58f4d09c257203e48c92065f8df47b532b76266e280c27e6ce824699"}}