{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:VLVUG2MZP5WA373GNKOS5YR5MM","short_pith_number":"pith:VLVUG2MZ","canonical_record":{"source":{"id":"1901.02631","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2019-01-09T08:16:28Z","cross_cats_sorted":[],"title_canon_sha256":"959a020f32fcb620e8a927e37baee26fb530f19b8942c69c1354ba0fdd1863c6","abstract_canon_sha256":"d8f63682acef3c34756466f6ed9a8b96090b7b71d77ea1913b26fce19e719e11"},"schema_version":"1.0"},"canonical_sha256":"aaeb4369997f6c0dff666a9d2ee23d631cde61e6207311b927e08a2292b4323c","source":{"kind":"arxiv","id":"1901.02631","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1901.02631","created_at":"2026-05-17T23:56:16Z"},{"alias_kind":"arxiv_version","alias_value":"1901.02631v1","created_at":"2026-05-17T23:56:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1901.02631","created_at":"2026-05-17T23:56:16Z"},{"alias_kind":"pith_short_12","alias_value":"VLVUG2MZP5WA","created_at":"2026-05-18T12:33:30Z"},{"alias_kind":"pith_short_16","alias_value":"VLVUG2MZP5WA373G","created_at":"2026-05-18T12:33:30Z"},{"alias_kind":"pith_short_8","alias_value":"VLVUG2MZ","created_at":"2026-05-18T12:33:30Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:VLVUG2MZP5WA373GNKOS5YR5MM","target":"record","payload":{"canonical_record":{"source":{"id":"1901.02631","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2019-01-09T08:16:28Z","cross_cats_sorted":[],"title_canon_sha256":"959a020f32fcb620e8a927e37baee26fb530f19b8942c69c1354ba0fdd1863c6","abstract_canon_sha256":"d8f63682acef3c34756466f6ed9a8b96090b7b71d77ea1913b26fce19e719e11"},"schema_version":"1.0"},"canonical_sha256":"aaeb4369997f6c0dff666a9d2ee23d631cde61e6207311b927e08a2292b4323c","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:56:16.174564Z","signature_b64":"D1wjA/1q66f1EoebCDAW6AID4O+LR1WZHt1UbvYB0YDt1Qj4PowarWzAfMckEI0SI6VKhllU5uaKAyr3f68HCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"aaeb4369997f6c0dff666a9d2ee23d631cde61e6207311b927e08a2292b4323c","last_reissued_at":"2026-05-17T23:56:16.173910Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:56:16.173910Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1901.02631","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":"2026-05-17T23:56:16Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"alvy6xLyNOj8RIYUr235OtVzWb4tRyCe53d0BhlufWTsrDmGlIFasyFrKyvp9ml33hDbxuDOmA8DRFq5cdljDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T05:01:19.957217Z"},"content_sha256":"94686d8706bc02b660d1d15848940cd76ebd28b849259cc201d357568e05326f","schema_version":"1.0","event_id":"sha256:94686d8706bc02b660d1d15848940cd76ebd28b849259cc201d357568e05326f"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:VLVUG2MZP5WA373GNKOS5YR5MM","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The twisted jets of Circinus X-1","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"A.K. Tzioumis, C. Tasse, J.W. Broderick, M. Coriat, O. Smirnov, R. Fender","submitted_at":"2019-01-09T08:16:28Z","abstract_excerpt":"We present the results of millimetre (33 and 35 GHz) and centimetre (2.1, 5.5 and 9.0 GHz) wavelength observations of the neutron star X-ray binary Circinus X-1, using the Australia Telescope Compact Array. We have used advanced calibration and deconvolution algorithms to overcome multiple issues due to intrinsic variability of the source and direction dependent effects. The resulting centimetre and millimetre radio maps show spatially resolved jet structures from sub-arcsecond to arcminute angular scales. They represent the most detailed investigation to date of the interaction of the relativ"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1901.02631","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":"2026-05-17T23:56:16Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"QZQ9mOnp+zyfMB3m7oMgUzc70I3eby/uUq/Xj/QccERE/L4+B3yIhOGTPTYXcizVq+K9Ze9Nhcy/RirCuqerDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T05:01:19.957604Z"},"content_sha256":"0085b20b0b1188da8f61df25a428d953b434aa8067ae5a20fa0541494e41bd63","schema_version":"1.0","event_id":"sha256:0085b20b0b1188da8f61df25a428d953b434aa8067ae5a20fa0541494e41bd63"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/VLVUG2MZP5WA373GNKOS5YR5MM/bundle.json","state_url":"https://pith.science/pith/VLVUG2MZP5WA373GNKOS5YR5MM/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/VLVUG2MZP5WA373GNKOS5YR5MM/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":"2026-05-28T05:01:19Z","links":{"resolver":"https://pith.science/pith/VLVUG2MZP5WA373GNKOS5YR5MM","bundle":"https://pith.science/pith/VLVUG2MZP5WA373GNKOS5YR5MM/bundle.json","state":"https://pith.science/pith/VLVUG2MZP5WA373GNKOS5YR5MM/state.json","well_known_bundle":"https://pith.science/.well-known/pith/VLVUG2MZP5WA373GNKOS5YR5MM/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:VLVUG2MZP5WA373GNKOS5YR5MM","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":"d8f63682acef3c34756466f6ed9a8b96090b7b71d77ea1913b26fce19e719e11","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2019-01-09T08:16:28Z","title_canon_sha256":"959a020f32fcb620e8a927e37baee26fb530f19b8942c69c1354ba0fdd1863c6"},"schema_version":"1.0","source":{"id":"1901.02631","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1901.02631","created_at":"2026-05-17T23:56:16Z"},{"alias_kind":"arxiv_version","alias_value":"1901.02631v1","created_at":"2026-05-17T23:56:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1901.02631","created_at":"2026-05-17T23:56:16Z"},{"alias_kind":"pith_short_12","alias_value":"VLVUG2MZP5WA","created_at":"2026-05-18T12:33:30Z"},{"alias_kind":"pith_short_16","alias_value":"VLVUG2MZP5WA373G","created_at":"2026-05-18T12:33:30Z"},{"alias_kind":"pith_short_8","alias_value":"VLVUG2MZ","created_at":"2026-05-18T12:33:30Z"}],"graph_snapshots":[{"event_id":"sha256:0085b20b0b1188da8f61df25a428d953b434aa8067ae5a20fa0541494e41bd63","target":"graph","created_at":"2026-05-17T23:56:16Z","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 results of millimetre (33 and 35 GHz) and centimetre (2.1, 5.5 and 9.0 GHz) wavelength observations of the neutron star X-ray binary Circinus X-1, using the Australia Telescope Compact Array. We have used advanced calibration and deconvolution algorithms to overcome multiple issues due to intrinsic variability of the source and direction dependent effects. The resulting centimetre and millimetre radio maps show spatially resolved jet structures from sub-arcsecond to arcminute angular scales. They represent the most detailed investigation to date of the interaction of the relativ","authors_text":"A.K. Tzioumis, C. Tasse, J.W. Broderick, M. Coriat, O. Smirnov, R. Fender","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2019-01-09T08:16:28Z","title":"The twisted jets of Circinus X-1"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1901.02631","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":"sha256:94686d8706bc02b660d1d15848940cd76ebd28b849259cc201d357568e05326f","target":"record","created_at":"2026-05-17T23:56:16Z","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":"d8f63682acef3c34756466f6ed9a8b96090b7b71d77ea1913b26fce19e719e11","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2019-01-09T08:16:28Z","title_canon_sha256":"959a020f32fcb620e8a927e37baee26fb530f19b8942c69c1354ba0fdd1863c6"},"schema_version":"1.0","source":{"id":"1901.02631","kind":"arxiv","version":1}},"canonical_sha256":"aaeb4369997f6c0dff666a9d2ee23d631cde61e6207311b927e08a2292b4323c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"aaeb4369997f6c0dff666a9d2ee23d631cde61e6207311b927e08a2292b4323c","first_computed_at":"2026-05-17T23:56:16.173910Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:56:16.173910Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"D1wjA/1q66f1EoebCDAW6AID4O+LR1WZHt1UbvYB0YDt1Qj4PowarWzAfMckEI0SI6VKhllU5uaKAyr3f68HCQ==","signature_status":"signed_v1","signed_at":"2026-05-17T23:56:16.174564Z","signed_message":"canonical_sha256_bytes"},"source_id":"1901.02631","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:94686d8706bc02b660d1d15848940cd76ebd28b849259cc201d357568e05326f","sha256:0085b20b0b1188da8f61df25a428d953b434aa8067ae5a20fa0541494e41bd63"],"state_sha256":"a95f1b208cb975f67e9c24cf85d61424bb8f323145e46899f1d52cf9d64c319e"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"mODZ3/euJ3LkVIaLgs/YWxlDEyuKhIpECcQRCvEc19nC0PzDphBONFqYLuZPE/5AoXlUgQoA+h/FxVyWMEffBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T05:01:19.959558Z","bundle_sha256":"fe10b297c1e34990c6947cd31b8ed8dbbe82e990c4e64d3d636c9d2d5e679c17"}}