{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:ITKT5AH4OJWPBZUAWSZJAHZGSE","short_pith_number":"pith:ITKT5AH4","canonical_record":{"source":{"id":"1906.06347","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2019-06-14T18:00:26Z","cross_cats_sorted":["astro-ph.CO"],"title_canon_sha256":"d683540df7919da08b34eadc4ccfc8d729fe827fa9db671e0fc9c877bf0e4fef","abstract_canon_sha256":"537ea03db5905df064e667a1af37a1051aa84d490120f3b8d2966290ed784c5f"},"schema_version":"1.0"},"canonical_sha256":"44d53e80fc726cf0e680b4b2901f26910188237cb6e1c04d6e8172b3bb921630","source":{"kind":"arxiv","id":"1906.06347","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1906.06347","created_at":"2026-07-04T23:50:19Z"},{"alias_kind":"arxiv_version","alias_value":"1906.06347v1","created_at":"2026-07-04T23:50:19Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1906.06347","created_at":"2026-07-04T23:50:19Z"},{"alias_kind":"pith_short_12","alias_value":"ITKT5AH4OJWP","created_at":"2026-07-04T23:50:19Z"},{"alias_kind":"pith_short_16","alias_value":"ITKT5AH4OJWPBZUA","created_at":"2026-07-04T23:50:19Z"},{"alias_kind":"pith_short_8","alias_value":"ITKT5AH4","created_at":"2026-07-04T23:50:19Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:ITKT5AH4OJWPBZUAWSZJAHZGSE","target":"record","payload":{"canonical_record":{"source":{"id":"1906.06347","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2019-06-14T18:00:26Z","cross_cats_sorted":["astro-ph.CO"],"title_canon_sha256":"d683540df7919da08b34eadc4ccfc8d729fe827fa9db671e0fc9c877bf0e4fef","abstract_canon_sha256":"537ea03db5905df064e667a1af37a1051aa84d490120f3b8d2966290ed784c5f"},"schema_version":"1.0"},"canonical_sha256":"44d53e80fc726cf0e680b4b2901f26910188237cb6e1c04d6e8172b3bb921630","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T23:50:19.960389Z","signature_b64":"orI66WPpKBPiSyFhi3RaUU01/r8UCa4MRH/2WbWw6vi9WKKgFHnNmWixXqaaBbMAsLo6zuRlVhAnBy12FdAICQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"44d53e80fc726cf0e680b4b2901f26910188237cb6e1c04d6e8172b3bb921630","last_reissued_at":"2026-07-04T23:50:19.959902Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T23:50:19.959902Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1906.06347","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":"2026-07-04T23:50:19Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"QRNuNnhEIf1MPd1xjlZBqNzJZnit6S3x5rQycSbYDEZEq89/+6G5cbCF9LKKD3NoMUAxP5meE4hNyNf/UOXuBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-19T22:24:44.610242Z"},"content_sha256":"97e9d2c3c6459a0a9dd567b93e22b0e47de7718db754a58af11f550ba02f4ea3","schema_version":"1.0","event_id":"sha256:97e9d2c3c6459a0a9dd567b93e22b0e47de7718db754a58af11f550ba02f4ea3"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:ITKT5AH4OJWPBZUAWSZJAHZGSE","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A giant Ly$\\alpha$ nebula and a small-scale clumpy outflow in the system of the exotic quasar J0952+0114 unveiled by MUSE","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO"],"primary_cat":"astro-ph.GA","authors_text":"A. Feltre, G. Pezzulli, I. Schroetter, J. Brinchmann, J. Matthee, N. Bouch\\'e, R. A. Marino, R. MacKenzie, S. Cantalupo, S. D. Johnson, S. Gallego, S. J. Lilly, S. Muzahid, T. Nanayakkara","submitted_at":"2019-06-14T18:00:26Z","abstract_excerpt":"The well-known quasar SDSS J095253.83+011421.9 (J0952+0114) at z=3.02 has one of the most peculiar spectra discovered so far, showing the presence of narrow Ly$\\alpha$ and broad metal emission lines. Although recent studies have suggested that a Proximate Damped Ly$\\alpha$ system (PDLA) causes this peculiar spectrum, the origin of the gas associated with the PDLA is unknown. Here we report the results of MUSE observations that reveal a new giant ($\\approx$ 100 physical kpc) Lyman $\\alpha$ nebula. The detailed analysis of the Ly$\\alpha$ velocity, velocity dispersion, and surface brightness prof"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1906.06347","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/1906.06347/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-04T23:50:19Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"MmlFrrZQ2EjCdKXkxBEJyWUFqIwAzyWft7ObZ5TJbAwAQ5mhZxnWgSbk3YVh8N3/i8aWJWG7sqv0Vl8jyBtwBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-19T22:24:44.610752Z"},"content_sha256":"3f59cc1bfde660ac9b5a551838f1b83acb6f998608ecd406f394ab1fc131767b","schema_version":"1.0","event_id":"sha256:3f59cc1bfde660ac9b5a551838f1b83acb6f998608ecd406f394ab1fc131767b"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/ITKT5AH4OJWPBZUAWSZJAHZGSE/bundle.json","state_url":"https://pith.science/pith/ITKT5AH4OJWPBZUAWSZJAHZGSE/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/ITKT5AH4OJWPBZUAWSZJAHZGSE/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":"2026-08-19T22:24:44Z","links":{"resolver":"https://pith.science/pith/ITKT5AH4OJWPBZUAWSZJAHZGSE","bundle":"https://pith.science/pith/ITKT5AH4OJWPBZUAWSZJAHZGSE/bundle.json","state":"https://pith.science/pith/ITKT5AH4OJWPBZUAWSZJAHZGSE/state.json","well_known_bundle":"https://pith.science/.well-known/pith/ITKT5AH4OJWPBZUAWSZJAHZGSE/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:ITKT5AH4OJWPBZUAWSZJAHZGSE","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":"537ea03db5905df064e667a1af37a1051aa84d490120f3b8d2966290ed784c5f","cross_cats_sorted":["astro-ph.CO"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2019-06-14T18:00:26Z","title_canon_sha256":"d683540df7919da08b34eadc4ccfc8d729fe827fa9db671e0fc9c877bf0e4fef"},"schema_version":"1.0","source":{"id":"1906.06347","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1906.06347","created_at":"2026-07-04T23:50:19Z"},{"alias_kind":"arxiv_version","alias_value":"1906.06347v1","created_at":"2026-07-04T23:50:19Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1906.06347","created_at":"2026-07-04T23:50:19Z"},{"alias_kind":"pith_short_12","alias_value":"ITKT5AH4OJWP","created_at":"2026-07-04T23:50:19Z"},{"alias_kind":"pith_short_16","alias_value":"ITKT5AH4OJWPBZUA","created_at":"2026-07-04T23:50:19Z"},{"alias_kind":"pith_short_8","alias_value":"ITKT5AH4","created_at":"2026-07-04T23:50:19Z"}],"graph_snapshots":[{"event_id":"sha256:3f59cc1bfde660ac9b5a551838f1b83acb6f998608ecd406f394ab1fc131767b","target":"graph","created_at":"2026-07-04T23:50:19Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/1906.06347/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The well-known quasar SDSS J095253.83+011421.9 (J0952+0114) at z=3.02 has one of the most peculiar spectra discovered so far, showing the presence of narrow Ly$\\alpha$ and broad metal emission lines. Although recent studies have suggested that a Proximate Damped Ly$\\alpha$ system (PDLA) causes this peculiar spectrum, the origin of the gas associated with the PDLA is unknown. Here we report the results of MUSE observations that reveal a new giant ($\\approx$ 100 physical kpc) Lyman $\\alpha$ nebula. The detailed analysis of the Ly$\\alpha$ velocity, velocity dispersion, and surface brightness prof","authors_text":"A. Feltre, G. Pezzulli, I. Schroetter, J. Brinchmann, J. Matthee, N. Bouch\\'e, R. A. Marino, R. MacKenzie, S. Cantalupo, S. D. Johnson, S. Gallego, S. J. Lilly, S. Muzahid, T. Nanayakkara","cross_cats":["astro-ph.CO"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2019-06-14T18:00:26Z","title":"A giant Ly$\\alpha$ nebula and a small-scale clumpy outflow in the system of the exotic quasar J0952+0114 unveiled by MUSE"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1906.06347","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":"sha256:97e9d2c3c6459a0a9dd567b93e22b0e47de7718db754a58af11f550ba02f4ea3","target":"record","created_at":"2026-07-04T23:50:19Z","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":"537ea03db5905df064e667a1af37a1051aa84d490120f3b8d2966290ed784c5f","cross_cats_sorted":["astro-ph.CO"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2019-06-14T18:00:26Z","title_canon_sha256":"d683540df7919da08b34eadc4ccfc8d729fe827fa9db671e0fc9c877bf0e4fef"},"schema_version":"1.0","source":{"id":"1906.06347","kind":"arxiv","version":1}},"canonical_sha256":"44d53e80fc726cf0e680b4b2901f26910188237cb6e1c04d6e8172b3bb921630","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"44d53e80fc726cf0e680b4b2901f26910188237cb6e1c04d6e8172b3bb921630","first_computed_at":"2026-07-04T23:50:19.959902Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T23:50:19.959902Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"orI66WPpKBPiSyFhi3RaUU01/r8UCa4MRH/2WbWw6vi9WKKgFHnNmWixXqaaBbMAsLo6zuRlVhAnBy12FdAICQ==","signature_status":"signed_v1","signed_at":"2026-07-04T23:50:19.960389Z","signed_message":"canonical_sha256_bytes"},"source_id":"1906.06347","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:97e9d2c3c6459a0a9dd567b93e22b0e47de7718db754a58af11f550ba02f4ea3","sha256:3f59cc1bfde660ac9b5a551838f1b83acb6f998608ecd406f394ab1fc131767b"],"state_sha256":"0413a4aebaaf6a19dccc7c3446e304382fbbdc70c1a9f5b38a689d4661b74701"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"3Mxo468+86CQVt3bs1901n5vNMOG9ff1DFXr/iT8TA0IizayKXSkKxoRNcdoX3C4iMFVQfZuQGE3P5tnZbTcDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-19T22:24:44.615889Z","bundle_sha256":"d798fa33d44fcc5a7b79a0760bf8382cac11e40e31dde112a87e7793046d69ae"}}