{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2010:PVRFHHLCI2W2YIWCEZZS6WXYR7","short_pith_number":"pith:PVRFHHLC","canonical_record":{"source":{"id":"1006.1649","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2010-06-08T20:00:17Z","cross_cats_sorted":["astro-ph.HE"],"title_canon_sha256":"df7c0ca97456b106123f804eb952f187df53c4d3a65fe967240fe44b5bdad7a6","abstract_canon_sha256":"c763318b68308a573968cb31717387ed88b28838c4d977565b5c6205686f30ec"},"schema_version":"1.0"},"canonical_sha256":"7d62539d6246adac22c226732f5af88fd46340ee6587746dc3ffdfbe0c8768f1","source":{"kind":"arxiv","id":"1006.1649","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1006.1649","created_at":"2026-05-18T02:06:55Z"},{"alias_kind":"arxiv_version","alias_value":"1006.1649v1","created_at":"2026-05-18T02:06:55Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1006.1649","created_at":"2026-05-18T02:06:55Z"},{"alias_kind":"pith_short_12","alias_value":"PVRFHHLCI2W2","created_at":"2026-05-18T12:26:12Z"},{"alias_kind":"pith_short_16","alias_value":"PVRFHHLCI2W2YIWC","created_at":"2026-05-18T12:26:12Z"},{"alias_kind":"pith_short_8","alias_value":"PVRFHHLC","created_at":"2026-05-18T12:26:12Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2010:PVRFHHLCI2W2YIWCEZZS6WXYR7","target":"record","payload":{"canonical_record":{"source":{"id":"1006.1649","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2010-06-08T20:00:17Z","cross_cats_sorted":["astro-ph.HE"],"title_canon_sha256":"df7c0ca97456b106123f804eb952f187df53c4d3a65fe967240fe44b5bdad7a6","abstract_canon_sha256":"c763318b68308a573968cb31717387ed88b28838c4d977565b5c6205686f30ec"},"schema_version":"1.0"},"canonical_sha256":"7d62539d6246adac22c226732f5af88fd46340ee6587746dc3ffdfbe0c8768f1","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:06:55.918951Z","signature_b64":"KWI/E2N7Pv2NW055PvIFCFKxyfJlpxgpRDPq+nzEVpSKJ84asW8RONfbRXYomvxQO3jzjxJX4W4tO3z2SL7ECw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"7d62539d6246adac22c226732f5af88fd46340ee6587746dc3ffdfbe0c8768f1","last_reissued_at":"2026-05-18T02:06:55.918230Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:06:55.918230Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1006.1649","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":"2026-05-18T02:06:55Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"JPbCC6tih8eonRlfgY03VuI4RFKkvKXnUcpbkVzvMVFO8TtvZekuA5mM+ZIu63ocfMX/z2hX9JcDAskwurufBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-18T20:39:38.289013Z"},"content_sha256":"43c47b94b12949f3d8215aa4c9314f2c3cbb96f31d893a0add08f8c4eaeebdca","schema_version":"1.0","event_id":"sha256:43c47b94b12949f3d8215aa4c9314f2c3cbb96f31d893a0add08f8c4eaeebdca"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2010:PVRFHHLCI2W2YIWCEZZS6WXYR7","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The jet and counterjet of 3C 270 (NGC 4261) viewed in the X-ray with Chandra","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.HE"],"primary_cat":"astro-ph.CO","authors_text":"A. Wolter, A. Zezas, D. M. Worrall, E. O'Sullivan, G. Fabbiano, G. Trinchieri, M. Birkinshaw","submitted_at":"2010-06-08T20:00:17Z","abstract_excerpt":"The radio source 3C 270, hosted by NGC 4261, is the brightest known example of counterjet X-ray emission from a low-power radio galaxy. We report on the X-ray emission of the jet and counterjet from 130 ks of Chandra data. We argue that the X-ray emission is synchrotron radiation and that the internal properties of the jet and counterjet are remarkably similar. We find a smooth connection in X-ray hardness and X-ray to radio ratio between the jet and one of the X-ray components within the core spectrum. We observe wedge-like depressions in diffuse X-ray surface brightness surrounding the jets,"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1006.1649","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":"2026-05-18T02:06:55Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"2rpelwNwW/Zpgg4pdwlZsAN0gEn8V0HOJPIreqY3q3YOLgPZ0+tF7HTlJBpfZw8QFdYCIWGLXSFYGyVpQDLpDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-18T20:39:38.289675Z"},"content_sha256":"23cb628889d2dc93c7df533aed695d9cfca633883bfe11b95596487dfc96c9bf","schema_version":"1.0","event_id":"sha256:23cb628889d2dc93c7df533aed695d9cfca633883bfe11b95596487dfc96c9bf"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/PVRFHHLCI2W2YIWCEZZS6WXYR7/bundle.json","state_url":"https://pith.science/pith/PVRFHHLCI2W2YIWCEZZS6WXYR7/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/PVRFHHLCI2W2YIWCEZZS6WXYR7/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":"2026-05-18T20:39:38Z","links":{"resolver":"https://pith.science/pith/PVRFHHLCI2W2YIWCEZZS6WXYR7","bundle":"https://pith.science/pith/PVRFHHLCI2W2YIWCEZZS6WXYR7/bundle.json","state":"https://pith.science/pith/PVRFHHLCI2W2YIWCEZZS6WXYR7/state.json","well_known_bundle":"https://pith.science/.well-known/pith/PVRFHHLCI2W2YIWCEZZS6WXYR7/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:PVRFHHLCI2W2YIWCEZZS6WXYR7","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":"c763318b68308a573968cb31717387ed88b28838c4d977565b5c6205686f30ec","cross_cats_sorted":["astro-ph.HE"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2010-06-08T20:00:17Z","title_canon_sha256":"df7c0ca97456b106123f804eb952f187df53c4d3a65fe967240fe44b5bdad7a6"},"schema_version":"1.0","source":{"id":"1006.1649","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1006.1649","created_at":"2026-05-18T02:06:55Z"},{"alias_kind":"arxiv_version","alias_value":"1006.1649v1","created_at":"2026-05-18T02:06:55Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1006.1649","created_at":"2026-05-18T02:06:55Z"},{"alias_kind":"pith_short_12","alias_value":"PVRFHHLCI2W2","created_at":"2026-05-18T12:26:12Z"},{"alias_kind":"pith_short_16","alias_value":"PVRFHHLCI2W2YIWC","created_at":"2026-05-18T12:26:12Z"},{"alias_kind":"pith_short_8","alias_value":"PVRFHHLC","created_at":"2026-05-18T12:26:12Z"}],"graph_snapshots":[{"event_id":"sha256:23cb628889d2dc93c7df533aed695d9cfca633883bfe11b95596487dfc96c9bf","target":"graph","created_at":"2026-05-18T02:06:55Z","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":"The radio source 3C 270, hosted by NGC 4261, is the brightest known example of counterjet X-ray emission from a low-power radio galaxy. We report on the X-ray emission of the jet and counterjet from 130 ks of Chandra data. We argue that the X-ray emission is synchrotron radiation and that the internal properties of the jet and counterjet are remarkably similar. We find a smooth connection in X-ray hardness and X-ray to radio ratio between the jet and one of the X-ray components within the core spectrum. We observe wedge-like depressions in diffuse X-ray surface brightness surrounding the jets,","authors_text":"A. Wolter, A. Zezas, D. M. Worrall, E. O'Sullivan, G. Fabbiano, G. Trinchieri, M. Birkinshaw","cross_cats":["astro-ph.HE"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2010-06-08T20:00:17Z","title":"The jet and counterjet of 3C 270 (NGC 4261) viewed in the X-ray with Chandra"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1006.1649","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":"sha256:43c47b94b12949f3d8215aa4c9314f2c3cbb96f31d893a0add08f8c4eaeebdca","target":"record","created_at":"2026-05-18T02:06:55Z","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":"c763318b68308a573968cb31717387ed88b28838c4d977565b5c6205686f30ec","cross_cats_sorted":["astro-ph.HE"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2010-06-08T20:00:17Z","title_canon_sha256":"df7c0ca97456b106123f804eb952f187df53c4d3a65fe967240fe44b5bdad7a6"},"schema_version":"1.0","source":{"id":"1006.1649","kind":"arxiv","version":1}},"canonical_sha256":"7d62539d6246adac22c226732f5af88fd46340ee6587746dc3ffdfbe0c8768f1","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"7d62539d6246adac22c226732f5af88fd46340ee6587746dc3ffdfbe0c8768f1","first_computed_at":"2026-05-18T02:06:55.918230Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:06:55.918230Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"KWI/E2N7Pv2NW055PvIFCFKxyfJlpxgpRDPq+nzEVpSKJ84asW8RONfbRXYomvxQO3jzjxJX4W4tO3z2SL7ECw==","signature_status":"signed_v1","signed_at":"2026-05-18T02:06:55.918951Z","signed_message":"canonical_sha256_bytes"},"source_id":"1006.1649","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:43c47b94b12949f3d8215aa4c9314f2c3cbb96f31d893a0add08f8c4eaeebdca","sha256:23cb628889d2dc93c7df533aed695d9cfca633883bfe11b95596487dfc96c9bf"],"state_sha256":"cd04401bab2c18d181a62198ec5789cd2816df89434c92d94fe81b88335f21a0"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"x8BZQvxjuej7g7n7alWB5oxvuak2+nkB+rwTpqFYrZn/NukVRPZMHTLuVvPt7LcN8eMWcS64qtUaGpm1i7pFDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-18T20:39:38.291958Z","bundle_sha256":"dd2de439f3aa475be9ed9a5bad02fb6f29c9caa59cd410376ca7b39d7b16cd6f"}}