{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:I24D2XR6XL2YAREXAUCGMQV2UG","short_pith_number":"pith:I24D2XR6","canonical_record":{"source":{"id":"1109.4110","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2011-09-19T18:00:20Z","cross_cats_sorted":[],"title_canon_sha256":"03d9b1a366f731375b71340085291e467b890e77a5ba625f3067984a49ad9add","abstract_canon_sha256":"cb4e204944dd99460ac3ffa615190f6a856ef6b00f95fa587bc4f6ab31f5149e"},"schema_version":"1.0"},"canonical_sha256":"46b83d5e3ebaf580449705046642baa19a0ecb34062e109c45b5e3563fb49222","source":{"kind":"arxiv","id":"1109.4110","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1109.4110","created_at":"2026-05-18T02:00:29Z"},{"alias_kind":"arxiv_version","alias_value":"1109.4110v1","created_at":"2026-05-18T02:00:29Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1109.4110","created_at":"2026-05-18T02:00:29Z"},{"alias_kind":"pith_short_12","alias_value":"I24D2XR6XL2Y","created_at":"2026-05-18T12:26:30Z"},{"alias_kind":"pith_short_16","alias_value":"I24D2XR6XL2YAREX","created_at":"2026-05-18T12:26:30Z"},{"alias_kind":"pith_short_8","alias_value":"I24D2XR6","created_at":"2026-05-18T12:26:30Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:I24D2XR6XL2YAREXAUCGMQV2UG","target":"record","payload":{"canonical_record":{"source":{"id":"1109.4110","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2011-09-19T18:00:20Z","cross_cats_sorted":[],"title_canon_sha256":"03d9b1a366f731375b71340085291e467b890e77a5ba625f3067984a49ad9add","abstract_canon_sha256":"cb4e204944dd99460ac3ffa615190f6a856ef6b00f95fa587bc4f6ab31f5149e"},"schema_version":"1.0"},"canonical_sha256":"46b83d5e3ebaf580449705046642baa19a0ecb34062e109c45b5e3563fb49222","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:00:29.171066Z","signature_b64":"o5C5/t4BXEOFtXlAmyLGex9EwLWN87GZ9IFE8/KAXa+703g9b9YqYCsb+mZ1aSaG3eMbx4T2OiVApjGrixm4CA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"46b83d5e3ebaf580449705046642baa19a0ecb34062e109c45b5e3563fb49222","last_reissued_at":"2026-05-18T02:00:29.170628Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:00:29.170628Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1109.4110","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":"2026-05-18T02:00:29Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"cKgzS7rIDg2FT7J5y/MDRFFvpe1UQxSTmnqkpR2R3qbo5RqOtjZkL7lT0mnJ0Kl70Bo73m6UfDx8ZcxQ3PuhCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-10T18:49:07.732575Z"},"content_sha256":"bc941acf7599a492d9220659d3a8c63816644721dfe709e606cc31792e3c2d37","schema_version":"1.0","event_id":"sha256:bc941acf7599a492d9220659d3a8c63816644721dfe709e606cc31792e3c2d37"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:I24D2XR6XL2YAREXAUCGMQV2UG","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A Lyman alpha halo around a quasar at redshift z=6.4","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"Chris J. Willott, Jacqueline Bergeron, John B. Hutchings, Savironi Chet","submitted_at":"2011-09-19T18:00:20Z","abstract_excerpt":"We present long-slit spectroscopic data which reveals extended Lyman alpha emission around the z=6.417 radio-quiet quasar CFHQS J2329-0301. The Lyman alpha emission is extended over 15 kpc and has a luminosity of > 8 x 10^36 W, comparable to the most luminous Lyman alpha halos known. The emission has complex kinematics, in part due to foreground absorption which only partly covers the extended nebula. The velocity ranges from -500 km/s to +500 km/s, with a peak remarkably close to the systemic velocity identified by broad MgII emission of the quasar. There is no evidence for infall or outflow "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1109.4110","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":"2026-05-18T02:00:29Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ArWGQTI56K24NWnjcbpALGwqCs0clMVBy+SNIMwoL0H99S/YGB/LcXPQ9dKapUP/9yrmLeDCwj2QafuZ/fTlCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-10T18:49:07.732915Z"},"content_sha256":"a27fe29c8587381d5e62de56a80d9b26e8236c334a80c37f0a4bca86bdfb4cf2","schema_version":"1.0","event_id":"sha256:a27fe29c8587381d5e62de56a80d9b26e8236c334a80c37f0a4bca86bdfb4cf2"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/I24D2XR6XL2YAREXAUCGMQV2UG/bundle.json","state_url":"https://pith.science/pith/I24D2XR6XL2YAREXAUCGMQV2UG/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/I24D2XR6XL2YAREXAUCGMQV2UG/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":"2026-06-10T18:49:07Z","links":{"resolver":"https://pith.science/pith/I24D2XR6XL2YAREXAUCGMQV2UG","bundle":"https://pith.science/pith/I24D2XR6XL2YAREXAUCGMQV2UG/bundle.json","state":"https://pith.science/pith/I24D2XR6XL2YAREXAUCGMQV2UG/state.json","well_known_bundle":"https://pith.science/.well-known/pith/I24D2XR6XL2YAREXAUCGMQV2UG/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:I24D2XR6XL2YAREXAUCGMQV2UG","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":"cb4e204944dd99460ac3ffa615190f6a856ef6b00f95fa587bc4f6ab31f5149e","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2011-09-19T18:00:20Z","title_canon_sha256":"03d9b1a366f731375b71340085291e467b890e77a5ba625f3067984a49ad9add"},"schema_version":"1.0","source":{"id":"1109.4110","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1109.4110","created_at":"2026-05-18T02:00:29Z"},{"alias_kind":"arxiv_version","alias_value":"1109.4110v1","created_at":"2026-05-18T02:00:29Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1109.4110","created_at":"2026-05-18T02:00:29Z"},{"alias_kind":"pith_short_12","alias_value":"I24D2XR6XL2Y","created_at":"2026-05-18T12:26:30Z"},{"alias_kind":"pith_short_16","alias_value":"I24D2XR6XL2YAREX","created_at":"2026-05-18T12:26:30Z"},{"alias_kind":"pith_short_8","alias_value":"I24D2XR6","created_at":"2026-05-18T12:26:30Z"}],"graph_snapshots":[{"event_id":"sha256:a27fe29c8587381d5e62de56a80d9b26e8236c334a80c37f0a4bca86bdfb4cf2","target":"graph","created_at":"2026-05-18T02:00:29Z","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":"We present long-slit spectroscopic data which reveals extended Lyman alpha emission around the z=6.417 radio-quiet quasar CFHQS J2329-0301. The Lyman alpha emission is extended over 15 kpc and has a luminosity of > 8 x 10^36 W, comparable to the most luminous Lyman alpha halos known. The emission has complex kinematics, in part due to foreground absorption which only partly covers the extended nebula. The velocity ranges from -500 km/s to +500 km/s, with a peak remarkably close to the systemic velocity identified by broad MgII emission of the quasar. There is no evidence for infall or outflow ","authors_text":"Chris J. Willott, Jacqueline Bergeron, John B. Hutchings, Savironi Chet","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2011-09-19T18:00:20Z","title":"A Lyman alpha halo around a quasar at redshift z=6.4"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1109.4110","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:bc941acf7599a492d9220659d3a8c63816644721dfe709e606cc31792e3c2d37","target":"record","created_at":"2026-05-18T02:00:29Z","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":"cb4e204944dd99460ac3ffa615190f6a856ef6b00f95fa587bc4f6ab31f5149e","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2011-09-19T18:00:20Z","title_canon_sha256":"03d9b1a366f731375b71340085291e467b890e77a5ba625f3067984a49ad9add"},"schema_version":"1.0","source":{"id":"1109.4110","kind":"arxiv","version":1}},"canonical_sha256":"46b83d5e3ebaf580449705046642baa19a0ecb34062e109c45b5e3563fb49222","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"46b83d5e3ebaf580449705046642baa19a0ecb34062e109c45b5e3563fb49222","first_computed_at":"2026-05-18T02:00:29.170628Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:00:29.170628Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"o5C5/t4BXEOFtXlAmyLGex9EwLWN87GZ9IFE8/KAXa+703g9b9YqYCsb+mZ1aSaG3eMbx4T2OiVApjGrixm4CA==","signature_status":"signed_v1","signed_at":"2026-05-18T02:00:29.171066Z","signed_message":"canonical_sha256_bytes"},"source_id":"1109.4110","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:bc941acf7599a492d9220659d3a8c63816644721dfe709e606cc31792e3c2d37","sha256:a27fe29c8587381d5e62de56a80d9b26e8236c334a80c37f0a4bca86bdfb4cf2"],"state_sha256":"ca8bad29aadb7acee3d0ca132111d7b30d74d6412417737dced09464e4ae4900"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"AncNnwM9OgYp8T61mn8WxGstmeKcdtWDrRdSvSVjEyKsQ0J4aWWCX1/suo/vbd2+BEBzTD/S59TW6BiGpDRuAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-10T18:49:07.734829Z","bundle_sha256":"4fa2b00931637834c249d3fd5e79e177b817f45e28a7cd5e12d52af3a6a44773"}}