{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2008:KWWDTRHKRMDXFOUFEILQZQTHAD","short_pith_number":"pith:KWWDTRHK","canonical_record":{"source":{"id":"0810.0321","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph","submitted_at":"2008-10-02T01:37:42Z","cross_cats_sorted":[],"title_canon_sha256":"3204bbb98a3ded9df4b83aa48dafe39688d63647277b2415db420189f02ff9b9","abstract_canon_sha256":"f19ab312ef75517ebe2bcd3c79c83db91138ec7b5b2085860949237815fc4818"},"schema_version":"1.0"},"canonical_sha256":"55ac39c4ea8b0772ba8522170cc26700edb10fad7e4a9b2f6bd26bbca0c90cea","source":{"kind":"arxiv","id":"0810.0321","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0810.0321","created_at":"2026-07-04T17:13:02Z"},{"alias_kind":"arxiv_version","alias_value":"0810.0321v1","created_at":"2026-07-04T17:13:02Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0810.0321","created_at":"2026-07-04T17:13:02Z"},{"alias_kind":"pith_short_12","alias_value":"KWWDTRHKRMDX","created_at":"2026-07-04T17:13:02Z"},{"alias_kind":"pith_short_16","alias_value":"KWWDTRHKRMDXFOUF","created_at":"2026-07-04T17:13:02Z"},{"alias_kind":"pith_short_8","alias_value":"KWWDTRHK","created_at":"2026-07-04T17:13:02Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2008:KWWDTRHKRMDXFOUFEILQZQTHAD","target":"record","payload":{"canonical_record":{"source":{"id":"0810.0321","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph","submitted_at":"2008-10-02T01:37:42Z","cross_cats_sorted":[],"title_canon_sha256":"3204bbb98a3ded9df4b83aa48dafe39688d63647277b2415db420189f02ff9b9","abstract_canon_sha256":"f19ab312ef75517ebe2bcd3c79c83db91138ec7b5b2085860949237815fc4818"},"schema_version":"1.0"},"canonical_sha256":"55ac39c4ea8b0772ba8522170cc26700edb10fad7e4a9b2f6bd26bbca0c90cea","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T17:13:02.694940Z","signature_b64":"032A6GH6qYggwuhqu0VyqsSCppvCLkeRhXAS+P8s+WRpTkYt4Z8D9+rdatCb1k20vUhXkxBuQOnxZmcgbrswBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"55ac39c4ea8b0772ba8522170cc26700edb10fad7e4a9b2f6bd26bbca0c90cea","last_reissued_at":"2026-07-04T17:13:02.694599Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T17:13:02.694599Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0810.0321","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":"2026-07-04T17:13:02Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ZApcZJZfo2BquYdedswh8TrGkB9NvW7bCl76F1hL/0MR2ay78N5AMWnr3JhQLYdGP1w77pPaG/4d0eY4Up8lBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-03T22:31:04.831565Z"},"content_sha256":"cbd078b7f0c82d7619e46041c7e617454a642036abf5e3c448b302b116ab4972","schema_version":"1.0","event_id":"sha256:cbd078b7f0c82d7619e46041c7e617454a642036abf5e3c448b302b116ab4972"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2008:KWWDTRHKRMDXFOUFEILQZQTHAD","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A high resolution view of the jet termination shock in a hot spot of the nearby radio galaxy Pictor A: implications for X-ray models of radio galaxy hot spots","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"E. Lenc, G. Brunetti, M. Bondi, S. J. Tingay","submitted_at":"2008-10-02T01:37:42Z","abstract_excerpt":"Images made with the VLBA have resolved the region in a nearby radio galaxy, Pictor A, where the relativistic jet that originates at the nucleus terminates in an interaction with the intergalactic medium, a so-called radio galaxy hot spot. This image provides the highest spatial resolution view of such an object to date (16 pc), more than three times better than previous VLBI observations of similar objects. The north-west Pictor A hot spot is resolved into a complex set of compact components, seen to coincide with the bright part of the hot spot imaged at arcsecond-scale resolution with the V"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0810.0321","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/0810.0321/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":"2026-07-04T17:13:02Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"gr4hduvhm+3DJ/7zyBx3v1MRmtfNdEmWQftLkjgH5sc2suqxAPTBbjWLxszouJhb5UPcv2yFXYMWayYoKRfbCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-03T22:31:04.832059Z"},"content_sha256":"41abd3f854df44e9967c09d42bc0af91717d4d9267b27ca8ab929f1e630b3779","schema_version":"1.0","event_id":"sha256:41abd3f854df44e9967c09d42bc0af91717d4d9267b27ca8ab929f1e630b3779"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/KWWDTRHKRMDXFOUFEILQZQTHAD/bundle.json","state_url":"https://pith.science/pith/KWWDTRHKRMDXFOUFEILQZQTHAD/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/KWWDTRHKRMDXFOUFEILQZQTHAD/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":"2026-08-03T22:31:04Z","links":{"resolver":"https://pith.science/pith/KWWDTRHKRMDXFOUFEILQZQTHAD","bundle":"https://pith.science/pith/KWWDTRHKRMDXFOUFEILQZQTHAD/bundle.json","state":"https://pith.science/pith/KWWDTRHKRMDXFOUFEILQZQTHAD/state.json","well_known_bundle":"https://pith.science/.well-known/pith/KWWDTRHKRMDXFOUFEILQZQTHAD/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2008:KWWDTRHKRMDXFOUFEILQZQTHAD","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":"f19ab312ef75517ebe2bcd3c79c83db91138ec7b5b2085860949237815fc4818","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph","submitted_at":"2008-10-02T01:37:42Z","title_canon_sha256":"3204bbb98a3ded9df4b83aa48dafe39688d63647277b2415db420189f02ff9b9"},"schema_version":"1.0","source":{"id":"0810.0321","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0810.0321","created_at":"2026-07-04T17:13:02Z"},{"alias_kind":"arxiv_version","alias_value":"0810.0321v1","created_at":"2026-07-04T17:13:02Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0810.0321","created_at":"2026-07-04T17:13:02Z"},{"alias_kind":"pith_short_12","alias_value":"KWWDTRHKRMDX","created_at":"2026-07-04T17:13:02Z"},{"alias_kind":"pith_short_16","alias_value":"KWWDTRHKRMDXFOUF","created_at":"2026-07-04T17:13:02Z"},{"alias_kind":"pith_short_8","alias_value":"KWWDTRHK","created_at":"2026-07-04T17:13:02Z"}],"graph_snapshots":[{"event_id":"sha256:41abd3f854df44e9967c09d42bc0af91717d4d9267b27ca8ab929f1e630b3779","target":"graph","created_at":"2026-07-04T17:13:02Z","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/0810.0321/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Images made with the VLBA have resolved the region in a nearby radio galaxy, Pictor A, where the relativistic jet that originates at the nucleus terminates in an interaction with the intergalactic medium, a so-called radio galaxy hot spot. This image provides the highest spatial resolution view of such an object to date (16 pc), more than three times better than previous VLBI observations of similar objects. The north-west Pictor A hot spot is resolved into a complex set of compact components, seen to coincide with the bright part of the hot spot imaged at arcsecond-scale resolution with the V","authors_text":"E. Lenc, G. Brunetti, M. Bondi, S. J. Tingay","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph","submitted_at":"2008-10-02T01:37:42Z","title":"A high resolution view of the jet termination shock in a hot spot of the nearby radio galaxy Pictor A: implications for X-ray models of radio galaxy hot spots"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0810.0321","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:cbd078b7f0c82d7619e46041c7e617454a642036abf5e3c448b302b116ab4972","target":"record","created_at":"2026-07-04T17:13:02Z","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":"f19ab312ef75517ebe2bcd3c79c83db91138ec7b5b2085860949237815fc4818","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph","submitted_at":"2008-10-02T01:37:42Z","title_canon_sha256":"3204bbb98a3ded9df4b83aa48dafe39688d63647277b2415db420189f02ff9b9"},"schema_version":"1.0","source":{"id":"0810.0321","kind":"arxiv","version":1}},"canonical_sha256":"55ac39c4ea8b0772ba8522170cc26700edb10fad7e4a9b2f6bd26bbca0c90cea","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"55ac39c4ea8b0772ba8522170cc26700edb10fad7e4a9b2f6bd26bbca0c90cea","first_computed_at":"2026-07-04T17:13:02.694599Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T17:13:02.694599Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"032A6GH6qYggwuhqu0VyqsSCppvCLkeRhXAS+P8s+WRpTkYt4Z8D9+rdatCb1k20vUhXkxBuQOnxZmcgbrswBw==","signature_status":"signed_v1","signed_at":"2026-07-04T17:13:02.694940Z","signed_message":"canonical_sha256_bytes"},"source_id":"0810.0321","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:cbd078b7f0c82d7619e46041c7e617454a642036abf5e3c448b302b116ab4972","sha256:41abd3f854df44e9967c09d42bc0af91717d4d9267b27ca8ab929f1e630b3779"],"state_sha256":"62d71ec66799c7f092996f97a05faebc63bf9209ee8b649b6f838f2b532e1a1e"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"TZR698tcmMFtbi5ytgDNVrTD+ckovU3v1vu64gKob6t061K2GDpuKJO4DMpIPvPg2FdX8bn85v9aq4lejoPQDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-03T22:31:04.836723Z","bundle_sha256":"7a88c724bdf20d611f96185d6248433efc425679e2a6c48c47a99a5593a94c30"}}