{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:3X55GQY2CBM3FZILHO4NNQLAZ5","short_pith_number":"pith:3X55GQY2","canonical_record":{"source":{"id":"1708.00453","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2017-08-01T18:00:11Z","cross_cats_sorted":[],"title_canon_sha256":"21fbfd50c04fc5252f80c6f624b0b78dc11211ae902b2f93f26d58db76caae32","abstract_canon_sha256":"f8c4d1b84fd9305752969c6883d216aced27e974fd51539673692ff53effb141"},"schema_version":"1.0"},"canonical_sha256":"ddfbd3431a1059b2e50b3bb8d6c160cf60c646819fb20ff726231e1aa04ca77c","source":{"kind":"arxiv","id":"1708.00453","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1708.00453","created_at":"2026-05-18T00:36:27Z"},{"alias_kind":"arxiv_version","alias_value":"1708.00453v1","created_at":"2026-05-18T00:36:27Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1708.00453","created_at":"2026-05-18T00:36:27Z"},{"alias_kind":"pith_short_12","alias_value":"3X55GQY2CBM3","created_at":"2026-05-18T12:30:58Z"},{"alias_kind":"pith_short_16","alias_value":"3X55GQY2CBM3FZIL","created_at":"2026-05-18T12:30:58Z"},{"alias_kind":"pith_short_8","alias_value":"3X55GQY2","created_at":"2026-05-18T12:30:58Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:3X55GQY2CBM3FZILHO4NNQLAZ5","target":"record","payload":{"canonical_record":{"source":{"id":"1708.00453","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2017-08-01T18:00:11Z","cross_cats_sorted":[],"title_canon_sha256":"21fbfd50c04fc5252f80c6f624b0b78dc11211ae902b2f93f26d58db76caae32","abstract_canon_sha256":"f8c4d1b84fd9305752969c6883d216aced27e974fd51539673692ff53effb141"},"schema_version":"1.0"},"canonical_sha256":"ddfbd3431a1059b2e50b3bb8d6c160cf60c646819fb20ff726231e1aa04ca77c","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:36:27.969942Z","signature_b64":"b+kYJk9b2gVtLZ7KAZGN+jd52UqZzrcepk9mrT1QJjnKUdYs9cC+MlbQF3k6a3f033KgR/WFCyovJKv15IhPAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ddfbd3431a1059b2e50b3bb8d6c160cf60c646819fb20ff726231e1aa04ca77c","last_reissued_at":"2026-05-18T00:36:27.969191Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:36:27.969191Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1708.00453","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":"2026-05-18T00:36:27Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"lT3W/A/lJpT5EaiIEAjTwthkcF4fHtqO3IWCs+EBr+YO8wQwyw0XJb0/h5FYMpLDyURHnBSHmD5EQ3ptq1jQAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T22:34:18.005850Z"},"content_sha256":"5016b41271dde5075e2eeefa957f3947f7110c9df8732c9ea4adb0387359ef20","schema_version":"1.0","event_id":"sha256:5016b41271dde5075e2eeefa957f3947f7110c9df8732c9ea4adb0387359ef20"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:3X55GQY2CBM3FZILHO4NNQLAZ5","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Spatially Resolved Patchy Lyman-$\\alpha$ Emission Within the Central Kiloparsec of a Strongly Lensed Quasar Host Galaxy at z = 2.8","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"(2) Michigan, (3) ANU, (4) KICP, 5), (5) UChicago, (6) NASA Goddard, 7), (7) Stromlo Fellow, 8), (8) Hubble Fellow, (9) University of Oslo), Ayan Acharyya (3), Fuyan Bian (3, Hakon Dahle (9), Jane R. Rigby (6), Jessie Runnoe (2), Keren Sharon (2), Lisa Kewley (3), Matthew B. Bayliss (1), Michael D. Gladders (4, Michael Florian (5), Rachel Paterno-Mahler (2) ((1) MIT, Rongmon Bordoloi (1, Traci Johnson (2)","submitted_at":"2017-08-01T18:00:11Z","abstract_excerpt":"We report the detection of extended Lyman-$\\alpha$ emission from the host galaxy of SDSS~J2222+2745, a strongly lensed quasar at $z = 2.8$. Spectroscopic follow-up clearly reveals extended Lyman-$\\alpha$ in emission between two images of the central active galactic nucleus (AGN). We reconstruct the lensed quasar host galaxy in the source plane by applying a strong lens model to HST imaging, and resolve spatial scales as small as $\\sim$200 parsecs. In the source plane we recover the host galaxy morphology to within a few hundred parsecs of the central AGN, and map the extended Lyman-$\\alpha$ em"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1708.00453","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":"2026-05-18T00:36:27Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"tod7veKp9OBWf5fn2KlweWRUCTGq+WHycF0Vy/WqlUUfFGBLblOOULR9ErsNqjiu+LQN6EOl7IUc9Wj1MiLeCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T22:34:18.006504Z"},"content_sha256":"631dc5e272f4067106b5ea84b372d0db30fb1b912f75ca415f816ef0b22525e6","schema_version":"1.0","event_id":"sha256:631dc5e272f4067106b5ea84b372d0db30fb1b912f75ca415f816ef0b22525e6"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/3X55GQY2CBM3FZILHO4NNQLAZ5/bundle.json","state_url":"https://pith.science/pith/3X55GQY2CBM3FZILHO4NNQLAZ5/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/3X55GQY2CBM3FZILHO4NNQLAZ5/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":"2026-06-01T22:34:18Z","links":{"resolver":"https://pith.science/pith/3X55GQY2CBM3FZILHO4NNQLAZ5","bundle":"https://pith.science/pith/3X55GQY2CBM3FZILHO4NNQLAZ5/bundle.json","state":"https://pith.science/pith/3X55GQY2CBM3FZILHO4NNQLAZ5/state.json","well_known_bundle":"https://pith.science/.well-known/pith/3X55GQY2CBM3FZILHO4NNQLAZ5/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:3X55GQY2CBM3FZILHO4NNQLAZ5","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":"f8c4d1b84fd9305752969c6883d216aced27e974fd51539673692ff53effb141","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2017-08-01T18:00:11Z","title_canon_sha256":"21fbfd50c04fc5252f80c6f624b0b78dc11211ae902b2f93f26d58db76caae32"},"schema_version":"1.0","source":{"id":"1708.00453","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1708.00453","created_at":"2026-05-18T00:36:27Z"},{"alias_kind":"arxiv_version","alias_value":"1708.00453v1","created_at":"2026-05-18T00:36:27Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1708.00453","created_at":"2026-05-18T00:36:27Z"},{"alias_kind":"pith_short_12","alias_value":"3X55GQY2CBM3","created_at":"2026-05-18T12:30:58Z"},{"alias_kind":"pith_short_16","alias_value":"3X55GQY2CBM3FZIL","created_at":"2026-05-18T12:30:58Z"},{"alias_kind":"pith_short_8","alias_value":"3X55GQY2","created_at":"2026-05-18T12:30:58Z"}],"graph_snapshots":[{"event_id":"sha256:631dc5e272f4067106b5ea84b372d0db30fb1b912f75ca415f816ef0b22525e6","target":"graph","created_at":"2026-05-18T00:36:27Z","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 the detection of extended Lyman-$\\alpha$ emission from the host galaxy of SDSS~J2222+2745, a strongly lensed quasar at $z = 2.8$. Spectroscopic follow-up clearly reveals extended Lyman-$\\alpha$ in emission between two images of the central active galactic nucleus (AGN). We reconstruct the lensed quasar host galaxy in the source plane by applying a strong lens model to HST imaging, and resolve spatial scales as small as $\\sim$200 parsecs. In the source plane we recover the host galaxy morphology to within a few hundred parsecs of the central AGN, and map the extended Lyman-$\\alpha$ em","authors_text":"(2) Michigan, (3) ANU, (4) KICP, 5), (5) UChicago, (6) NASA Goddard, 7), (7) Stromlo Fellow, 8), (8) Hubble Fellow, (9) University of Oslo), Ayan Acharyya (3), Fuyan Bian (3, Hakon Dahle (9), Jane R. Rigby (6), Jessie Runnoe (2), Keren Sharon (2), Lisa Kewley (3), Matthew B. Bayliss (1), Michael D. Gladders (4, Michael Florian (5), Rachel Paterno-Mahler (2) ((1) MIT, Rongmon Bordoloi (1, Traci Johnson (2)","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2017-08-01T18:00:11Z","title":"Spatially Resolved Patchy Lyman-$\\alpha$ Emission Within the Central Kiloparsec of a Strongly Lensed Quasar Host Galaxy at z = 2.8"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1708.00453","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":"sha256:5016b41271dde5075e2eeefa957f3947f7110c9df8732c9ea4adb0387359ef20","target":"record","created_at":"2026-05-18T00:36:27Z","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":"f8c4d1b84fd9305752969c6883d216aced27e974fd51539673692ff53effb141","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2017-08-01T18:00:11Z","title_canon_sha256":"21fbfd50c04fc5252f80c6f624b0b78dc11211ae902b2f93f26d58db76caae32"},"schema_version":"1.0","source":{"id":"1708.00453","kind":"arxiv","version":1}},"canonical_sha256":"ddfbd3431a1059b2e50b3bb8d6c160cf60c646819fb20ff726231e1aa04ca77c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ddfbd3431a1059b2e50b3bb8d6c160cf60c646819fb20ff726231e1aa04ca77c","first_computed_at":"2026-05-18T00:36:27.969191Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:36:27.969191Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"b+kYJk9b2gVtLZ7KAZGN+jd52UqZzrcepk9mrT1QJjnKUdYs9cC+MlbQF3k6a3f033KgR/WFCyovJKv15IhPAA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:36:27.969942Z","signed_message":"canonical_sha256_bytes"},"source_id":"1708.00453","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:5016b41271dde5075e2eeefa957f3947f7110c9df8732c9ea4adb0387359ef20","sha256:631dc5e272f4067106b5ea84b372d0db30fb1b912f75ca415f816ef0b22525e6"],"state_sha256":"082e8dac5477c7897c37c72f3fd756809c404c1e779aabbb17db288615ea973b"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"hXaT8o+CjvQaVzNCKFqj+KbwdThuk7YT7dDbaEEeIFCk5cZowa6ge3BQFV2lr+2UGKr8rKC+vpuhBEnKl2JXAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-01T22:34:18.009635Z","bundle_sha256":"ff050e87f6094f8f6053353980e65687a23c13b0f63ae49893ab9066e13ef585"}}