{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:CZ56TFF6BHXG7QD542IIFWDN3F","short_pith_number":"pith:CZ56TFF6","canonical_record":{"source":{"id":"1701.03260","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2017-01-12T08:03:29Z","cross_cats_sorted":[],"title_canon_sha256":"8852d86296ec7a39584cc84bffd3fe969bbd21c8d2311ed585554e2a7c20f1d1","abstract_canon_sha256":"113f813bc91d5317e611bc7e1f53ca59813de02d875c6dfaff7fbc964bf16f2b"},"schema_version":"1.0"},"canonical_sha256":"167be994be09ee6fc07de69082d86dd95bd4f703ef91242fc4310acfa42d2ff0","source":{"kind":"arxiv","id":"1701.03260","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1701.03260","created_at":"2026-05-18T00:51:41Z"},{"alias_kind":"arxiv_version","alias_value":"1701.03260v1","created_at":"2026-05-18T00:51:41Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1701.03260","created_at":"2026-05-18T00:51:41Z"},{"alias_kind":"pith_short_12","alias_value":"CZ56TFF6BHXG","created_at":"2026-05-18T12:31:10Z"},{"alias_kind":"pith_short_16","alias_value":"CZ56TFF6BHXG7QD5","created_at":"2026-05-18T12:31:10Z"},{"alias_kind":"pith_short_8","alias_value":"CZ56TFF6","created_at":"2026-05-18T12:31:10Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:CZ56TFF6BHXG7QD542IIFWDN3F","target":"record","payload":{"canonical_record":{"source":{"id":"1701.03260","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2017-01-12T08:03:29Z","cross_cats_sorted":[],"title_canon_sha256":"8852d86296ec7a39584cc84bffd3fe969bbd21c8d2311ed585554e2a7c20f1d1","abstract_canon_sha256":"113f813bc91d5317e611bc7e1f53ca59813de02d875c6dfaff7fbc964bf16f2b"},"schema_version":"1.0"},"canonical_sha256":"167be994be09ee6fc07de69082d86dd95bd4f703ef91242fc4310acfa42d2ff0","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:51:41.107415Z","signature_b64":"U0amCCcOEbF6s8DukO/MnIP5+sH8J5c7lXeBW9LIZ7erLrUgyAI5XqfRqWvnNByg3zD3vARr4O9mBUz5z+DsCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"167be994be09ee6fc07de69082d86dd95bd4f703ef91242fc4310acfa42d2ff0","last_reissued_at":"2026-05-18T00:51:41.106973Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:51:41.106973Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1701.03260","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":"2026-05-18T00:51:41Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"z/ggz/fxreAIIt+7tU+DxIf8dB5QtXV2aU2cPsPzck+9hHRopVqTrp610JX5QG+L0a0cJVu9RB56XUJRVb/+Aw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T19:30:08.068830Z"},"content_sha256":"2a3c43883a601bf619133554a242e21c583e919560b0133909d7c0508a2d0382","schema_version":"1.0","event_id":"sha256:2a3c43883a601bf619133554a242e21c583e919560b0133909d7c0508a2d0382"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:CZ56TFF6BHXG7QD542IIFWDN3F","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Milli-arcsecond imaging of the radio emission from the quasar with the most massive black hole at reionization","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Chris L. Carilli, Emmanuel Momjian, Fabian Walter, Feige Wang, Linhua Jiang, Michael A. Strauss, Ran Wang, Xiaohui Fan, Xue-Bing Wu","submitted_at":"2017-01-12T08:03:29Z","abstract_excerpt":"We report Very Long Baseline Array (VLBA) observations of the 1.5 GHz radio continuum emission of the {\\it z=6.326} quasar SDSS J010013.02+280225.8 (hereafter J0100+2802). J0100+2802 is, by far the most optically luminous, and radio-quiet quasar with the most massive black hole known at z>6. The VLBA observations have a synthesized beam size of 12.10 mas $\\times$5.36 mas (FWHM), and detected the radio continuum emission from this object with a peak surface brightness of 64.6+/-9.0 micro-Jy/beam and a total flux density of 88+/-19 micro-Jy. The position of the radio peak is consistent with that"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1701.03260","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":"2026-05-18T00:51:41Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"6fzoLIJF6js5kRJPv5dqESjIVTRzIlYnIRtYzb7IKt21MfOtuIZ0V3SOwLYVJeWNHJkIKh/pleu4B437Ju71Cw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T19:30:08.069698Z"},"content_sha256":"7124d38f7d8fe5d36f9e96918113e5b1a79616af409d549b06ab562cbdf43a57","schema_version":"1.0","event_id":"sha256:7124d38f7d8fe5d36f9e96918113e5b1a79616af409d549b06ab562cbdf43a57"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/CZ56TFF6BHXG7QD542IIFWDN3F/bundle.json","state_url":"https://pith.science/pith/CZ56TFF6BHXG7QD542IIFWDN3F/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/CZ56TFF6BHXG7QD542IIFWDN3F/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":"2026-05-25T19:30:08Z","links":{"resolver":"https://pith.science/pith/CZ56TFF6BHXG7QD542IIFWDN3F","bundle":"https://pith.science/pith/CZ56TFF6BHXG7QD542IIFWDN3F/bundle.json","state":"https://pith.science/pith/CZ56TFF6BHXG7QD542IIFWDN3F/state.json","well_known_bundle":"https://pith.science/.well-known/pith/CZ56TFF6BHXG7QD542IIFWDN3F/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:CZ56TFF6BHXG7QD542IIFWDN3F","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":"113f813bc91d5317e611bc7e1f53ca59813de02d875c6dfaff7fbc964bf16f2b","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2017-01-12T08:03:29Z","title_canon_sha256":"8852d86296ec7a39584cc84bffd3fe969bbd21c8d2311ed585554e2a7c20f1d1"},"schema_version":"1.0","source":{"id":"1701.03260","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1701.03260","created_at":"2026-05-18T00:51:41Z"},{"alias_kind":"arxiv_version","alias_value":"1701.03260v1","created_at":"2026-05-18T00:51:41Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1701.03260","created_at":"2026-05-18T00:51:41Z"},{"alias_kind":"pith_short_12","alias_value":"CZ56TFF6BHXG","created_at":"2026-05-18T12:31:10Z"},{"alias_kind":"pith_short_16","alias_value":"CZ56TFF6BHXG7QD5","created_at":"2026-05-18T12:31:10Z"},{"alias_kind":"pith_short_8","alias_value":"CZ56TFF6","created_at":"2026-05-18T12:31:10Z"}],"graph_snapshots":[{"event_id":"sha256:7124d38f7d8fe5d36f9e96918113e5b1a79616af409d549b06ab562cbdf43a57","target":"graph","created_at":"2026-05-18T00:51:41Z","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 report Very Long Baseline Array (VLBA) observations of the 1.5 GHz radio continuum emission of the {\\it z=6.326} quasar SDSS J010013.02+280225.8 (hereafter J0100+2802). J0100+2802 is, by far the most optically luminous, and radio-quiet quasar with the most massive black hole known at z>6. The VLBA observations have a synthesized beam size of 12.10 mas $\\times$5.36 mas (FWHM), and detected the radio continuum emission from this object with a peak surface brightness of 64.6+/-9.0 micro-Jy/beam and a total flux density of 88+/-19 micro-Jy. The position of the radio peak is consistent with that","authors_text":"Chris L. Carilli, Emmanuel Momjian, Fabian Walter, Feige Wang, Linhua Jiang, Michael A. Strauss, Ran Wang, Xiaohui Fan, Xue-Bing Wu","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2017-01-12T08:03:29Z","title":"Milli-arcsecond imaging of the radio emission from the quasar with the most massive black hole at reionization"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1701.03260","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":"sha256:2a3c43883a601bf619133554a242e21c583e919560b0133909d7c0508a2d0382","target":"record","created_at":"2026-05-18T00:51:41Z","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":"113f813bc91d5317e611bc7e1f53ca59813de02d875c6dfaff7fbc964bf16f2b","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2017-01-12T08:03:29Z","title_canon_sha256":"8852d86296ec7a39584cc84bffd3fe969bbd21c8d2311ed585554e2a7c20f1d1"},"schema_version":"1.0","source":{"id":"1701.03260","kind":"arxiv","version":1}},"canonical_sha256":"167be994be09ee6fc07de69082d86dd95bd4f703ef91242fc4310acfa42d2ff0","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"167be994be09ee6fc07de69082d86dd95bd4f703ef91242fc4310acfa42d2ff0","first_computed_at":"2026-05-18T00:51:41.106973Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:51:41.106973Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"U0amCCcOEbF6s8DukO/MnIP5+sH8J5c7lXeBW9LIZ7erLrUgyAI5XqfRqWvnNByg3zD3vARr4O9mBUz5z+DsCA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:51:41.107415Z","signed_message":"canonical_sha256_bytes"},"source_id":"1701.03260","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:2a3c43883a601bf619133554a242e21c583e919560b0133909d7c0508a2d0382","sha256:7124d38f7d8fe5d36f9e96918113e5b1a79616af409d549b06ab562cbdf43a57"],"state_sha256":"8ac52368876c882a4ac684f9cb8da00037fdc9cfba01c53d74b7c8ce855b4d56"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"j3s8PmKYq+dBz583Ql3Zqe0xQbNtpVQMCtrZmy0nfg2+QO8wo9KjZYMbFJf9zcUZDftF3Eq2FDpKbjqm+oJdDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T19:30:08.074583Z","bundle_sha256":"f6500fd52aafad04a6890512d195ab7f6019a9f012d847f77ebfbc82674968b6"}}