{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:BH334ZP4CDFYFMKFZ6SQN762H2","short_pith_number":"pith:BH334ZP4","canonical_record":{"source":{"id":"1605.06461","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2016-05-20T18:25:03Z","cross_cats_sorted":[],"title_canon_sha256":"1ef52850982f4904e09d152aecafcfe6106dc91b381e54e5667c03d7318b9bab","abstract_canon_sha256":"cad650a1397caa7b2f45d859e0b34d62207f29dd7a56bbe3bbcb1c5a81eecd23"},"schema_version":"1.0"},"canonical_sha256":"09f7be65fc10cb82b145cfa506ffda3eb24780c1ae11493f0443050835889c97","source":{"kind":"arxiv","id":"1605.06461","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1605.06461","created_at":"2026-05-18T01:10:29Z"},{"alias_kind":"arxiv_version","alias_value":"1605.06461v2","created_at":"2026-05-18T01:10:29Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1605.06461","created_at":"2026-05-18T01:10:29Z"},{"alias_kind":"pith_short_12","alias_value":"BH334ZP4CDFY","created_at":"2026-05-18T12:30:07Z"},{"alias_kind":"pith_short_16","alias_value":"BH334ZP4CDFYFMKF","created_at":"2026-05-18T12:30:07Z"},{"alias_kind":"pith_short_8","alias_value":"BH334ZP4","created_at":"2026-05-18T12:30:07Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:BH334ZP4CDFYFMKFZ6SQN762H2","target":"record","payload":{"canonical_record":{"source":{"id":"1605.06461","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2016-05-20T18:25:03Z","cross_cats_sorted":[],"title_canon_sha256":"1ef52850982f4904e09d152aecafcfe6106dc91b381e54e5667c03d7318b9bab","abstract_canon_sha256":"cad650a1397caa7b2f45d859e0b34d62207f29dd7a56bbe3bbcb1c5a81eecd23"},"schema_version":"1.0"},"canonical_sha256":"09f7be65fc10cb82b145cfa506ffda3eb24780c1ae11493f0443050835889c97","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:10:29.554290Z","signature_b64":"oCkDIkpvUjl7l2TXTebFKGd1WtGVB95xNmLOo8Ts2Q0qCw/1H/0ftkp/2I97iHW4JmbZMQXFcNIEmN7wRlBDCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"09f7be65fc10cb82b145cfa506ffda3eb24780c1ae11493f0443050835889c97","last_reissued_at":"2026-05-18T01:10:29.553728Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:10:29.553728Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1605.06461","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":"2026-05-18T01:10:29Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"FRr1c1Jy5forI/tmO6/7NRu9KVXb4Sj4+sZ4smmW9QKYzP9NqEQymg+Da/3weSLpl7GInrgPZkDQGLuAgCnEAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T03:38:15.629677Z"},"content_sha256":"1579e798189bb40db1966639d2f7932769c5fb40256d9a76a9049f2ab0d04ad1","schema_version":"1.0","event_id":"sha256:1579e798189bb40db1966639d2f7932769c5fb40256d9a76a9049f2ab0d04ad1"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:BH334ZP4CDFYFMKFZ6SQN762H2","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"No apparent superluminal motion in the first-known jetted tidal disruption event Swift J1644+5734","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"A.J. van der Horst, D. Giannios, J. Yang, L.I. Gurvits, R.M. Campbell, S. Komossa, T. An, Z. Paragi","submitted_at":"2016-05-20T18:25:03Z","abstract_excerpt":"The first-known tidal disruption event (TDE) with strong evidence for a relativistic jet -- based on extensive multi-wavelength campaigns -- is Swift J1644+5734. In order to directly measure the apparent speed of the radio jet, we performed very long baseline interferometry (VLBI) observations with the European VLBI network (EVN) at 5 GHz. Our observing strategy was to identify a very nearby and compact radio source with the real-time e-EVN, and then utilise this source as a stationary astrometry reference point in the later five deep EVN observations. With respect to the in-beam source FIRST "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1605.06461","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":"2026-05-18T01:10:29Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+PUtEYJM5mRuwv1Bh75zyF1r1EiTNvpHfLYwa6K6aqUJ38hUYYRUer2zN/2ldScWbUGbDksP7qjD6IgGmt+bBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T03:38:15.630360Z"},"content_sha256":"697e8d9be1324c3669e89c38c5f5cb355db39960b7d4e28b88885e9cab5e6cf9","schema_version":"1.0","event_id":"sha256:697e8d9be1324c3669e89c38c5f5cb355db39960b7d4e28b88885e9cab5e6cf9"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/BH334ZP4CDFYFMKFZ6SQN762H2/bundle.json","state_url":"https://pith.science/pith/BH334ZP4CDFYFMKFZ6SQN762H2/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/BH334ZP4CDFYFMKFZ6SQN762H2/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":"2026-06-05T03:38:15Z","links":{"resolver":"https://pith.science/pith/BH334ZP4CDFYFMKFZ6SQN762H2","bundle":"https://pith.science/pith/BH334ZP4CDFYFMKFZ6SQN762H2/bundle.json","state":"https://pith.science/pith/BH334ZP4CDFYFMKFZ6SQN762H2/state.json","well_known_bundle":"https://pith.science/.well-known/pith/BH334ZP4CDFYFMKFZ6SQN762H2/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:BH334ZP4CDFYFMKFZ6SQN762H2","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":"cad650a1397caa7b2f45d859e0b34d62207f29dd7a56bbe3bbcb1c5a81eecd23","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2016-05-20T18:25:03Z","title_canon_sha256":"1ef52850982f4904e09d152aecafcfe6106dc91b381e54e5667c03d7318b9bab"},"schema_version":"1.0","source":{"id":"1605.06461","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1605.06461","created_at":"2026-05-18T01:10:29Z"},{"alias_kind":"arxiv_version","alias_value":"1605.06461v2","created_at":"2026-05-18T01:10:29Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1605.06461","created_at":"2026-05-18T01:10:29Z"},{"alias_kind":"pith_short_12","alias_value":"BH334ZP4CDFY","created_at":"2026-05-18T12:30:07Z"},{"alias_kind":"pith_short_16","alias_value":"BH334ZP4CDFYFMKF","created_at":"2026-05-18T12:30:07Z"},{"alias_kind":"pith_short_8","alias_value":"BH334ZP4","created_at":"2026-05-18T12:30:07Z"}],"graph_snapshots":[{"event_id":"sha256:697e8d9be1324c3669e89c38c5f5cb355db39960b7d4e28b88885e9cab5e6cf9","target":"graph","created_at":"2026-05-18T01:10:29Z","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 first-known tidal disruption event (TDE) with strong evidence for a relativistic jet -- based on extensive multi-wavelength campaigns -- is Swift J1644+5734. In order to directly measure the apparent speed of the radio jet, we performed very long baseline interferometry (VLBI) observations with the European VLBI network (EVN) at 5 GHz. Our observing strategy was to identify a very nearby and compact radio source with the real-time e-EVN, and then utilise this source as a stationary astrometry reference point in the later five deep EVN observations. With respect to the in-beam source FIRST ","authors_text":"A.J. van der Horst, D. Giannios, J. Yang, L.I. Gurvits, R.M. Campbell, S. Komossa, T. An, Z. Paragi","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2016-05-20T18:25:03Z","title":"No apparent superluminal motion in the first-known jetted tidal disruption event Swift J1644+5734"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1605.06461","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":"sha256:1579e798189bb40db1966639d2f7932769c5fb40256d9a76a9049f2ab0d04ad1","target":"record","created_at":"2026-05-18T01:10:29Z","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":"cad650a1397caa7b2f45d859e0b34d62207f29dd7a56bbe3bbcb1c5a81eecd23","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2016-05-20T18:25:03Z","title_canon_sha256":"1ef52850982f4904e09d152aecafcfe6106dc91b381e54e5667c03d7318b9bab"},"schema_version":"1.0","source":{"id":"1605.06461","kind":"arxiv","version":2}},"canonical_sha256":"09f7be65fc10cb82b145cfa506ffda3eb24780c1ae11493f0443050835889c97","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"09f7be65fc10cb82b145cfa506ffda3eb24780c1ae11493f0443050835889c97","first_computed_at":"2026-05-18T01:10:29.553728Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:10:29.553728Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"oCkDIkpvUjl7l2TXTebFKGd1WtGVB95xNmLOo8Ts2Q0qCw/1H/0ftkp/2I97iHW4JmbZMQXFcNIEmN7wRlBDCA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:10:29.554290Z","signed_message":"canonical_sha256_bytes"},"source_id":"1605.06461","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1579e798189bb40db1966639d2f7932769c5fb40256d9a76a9049f2ab0d04ad1","sha256:697e8d9be1324c3669e89c38c5f5cb355db39960b7d4e28b88885e9cab5e6cf9"],"state_sha256":"11b73b4d778e1df22a4c9f93e6fcb01131b3657f10e90509e30cff40d52573b2"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ez9RnImIj27c9bwjYDABksleghwEkSJsw0elQZTb2xzlLW2hzbl6OV/Dl8k//z7dxt4L22nhVnhOwcZwxswMBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-05T03:38:15.634044Z","bundle_sha256":"9d8f90867856df7e301801114fcaf002e9044e9f54f90ae8bf59840311f4205f"}}