{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:KE7GK6YSLQB54WWSWC6E4XPFKC","short_pith_number":"pith:KE7GK6YS","canonical_record":{"source":{"id":"2501.08541","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2025-01-15T03:04:24Z","cross_cats_sorted":["astro-ph.CO"],"title_canon_sha256":"97b0b4a56ec9f3a0f53d8f89178c17a3d3615bb49aa0cb1542fff873df6ba02f","abstract_canon_sha256":"4f4ced05275d2f6598b0cf5161fe219e96f4822fa3ca9a4ad0704cc835ead029"},"schema_version":"1.0"},"canonical_sha256":"513e657b125c03de5ad2b0bc4e5de550a1b8723dd10fa943813beecce8eaa63b","source":{"kind":"arxiv","id":"2501.08541","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2501.08541","created_at":"2026-07-05T10:28:32Z"},{"alias_kind":"arxiv_version","alias_value":"2501.08541v1","created_at":"2026-07-05T10:28:32Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2501.08541","created_at":"2026-07-05T10:28:32Z"},{"alias_kind":"pith_short_12","alias_value":"KE7GK6YSLQB5","created_at":"2026-07-05T10:28:32Z"},{"alias_kind":"pith_short_16","alias_value":"KE7GK6YSLQB54WWS","created_at":"2026-07-05T10:28:32Z"},{"alias_kind":"pith_short_8","alias_value":"KE7GK6YS","created_at":"2026-07-05T10:28:32Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:KE7GK6YSLQB54WWSWC6E4XPFKC","target":"record","payload":{"canonical_record":{"source":{"id":"2501.08541","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2025-01-15T03:04:24Z","cross_cats_sorted":["astro-ph.CO"],"title_canon_sha256":"97b0b4a56ec9f3a0f53d8f89178c17a3d3615bb49aa0cb1542fff873df6ba02f","abstract_canon_sha256":"4f4ced05275d2f6598b0cf5161fe219e96f4822fa3ca9a4ad0704cc835ead029"},"schema_version":"1.0"},"canonical_sha256":"513e657b125c03de5ad2b0bc4e5de550a1b8723dd10fa943813beecce8eaa63b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T10:28:32.442856Z","signature_b64":"4/ShPcYF/Y/PXUfwSBXvhja8mGf3iOv05aJX7zofAwg58xNrGOjtq+Ye2VO5cRzZHE629CtmTJc4V9bSc7oGBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"513e657b125c03de5ad2b0bc4e5de550a1b8723dd10fa943813beecce8eaa63b","last_reissued_at":"2026-07-05T10:28:32.442347Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T10:28:32.442347Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2501.08541","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":"2026-07-05T10:28:32Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"233JdhprQn29yXHqv05MsrtTuCrslHkb+3snDSPLzf3nrbZqKGTRydeu66j2l2wXrQFaiTp2vNzzN74KTqxjBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T16:29:24.699497Z"},"content_sha256":"82a0237b95d2376f1844d11e812c42233b6b1e61270f485a93db64408912403b","schema_version":"1.0","event_id":"sha256:82a0237b95d2376f1844d11e812c42233b6b1e61270f485a93db64408912403b"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:KE7GK6YSLQB54WWSWC6E4XPFKC","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Discovery of 19 strongly-lensed quasars, dual and projected quasars in DESI-LS","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["astro-ph.CO"],"primary_cat":"astro-ph.GA","authors_text":"Dongdong Shi, Guoliang Li, Limeng Deng, Nan Li, Qihang Chen, Rui Li, Yiping Shu, Zizhao He","submitted_at":"2025-01-15T03:04:24Z","abstract_excerpt":"We report the follow-up spectroscopic confirmation of two lensed quasars, six dual quasars, and eleven projected quasars that were previously identified as lensed-quasar candidates in \\cite{He2023}. The spectroscopic data were obtained from two different sources: the P200/DBSP in California and publicly available datasets, including SDSS and DESI-EDR. The two lensed quasars (both pairs) have the following properties: $\\theta_E$ = 1.208'', $z_s$ = 3.105; $\\theta_E$ = 0.749, $z_s$ = 2.395. The six dual quasars have redshifts ranging from 0.58 to 3.28 and projected separations ranging from 15.44 "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2501.08541","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/2501.08541/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":"2026-07-05T10:28:32Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"b61gp3WMRirum0SUNi2jqncsDu9w1qq7lBHgsgXQWWfpe6RepmifoHB8vN6npAx2X3fQJNCMmUqxxIxYpdfNBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T16:29:24.700062Z"},"content_sha256":"8ca9669dd1cde2f676e6709b80dd6386d91eb007c68cb0f2db161fbdb86b99f1","schema_version":"1.0","event_id":"sha256:8ca9669dd1cde2f676e6709b80dd6386d91eb007c68cb0f2db161fbdb86b99f1"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/KE7GK6YSLQB54WWSWC6E4XPFKC/bundle.json","state_url":"https://pith.science/pith/KE7GK6YSLQB54WWSWC6E4XPFKC/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/KE7GK6YSLQB54WWSWC6E4XPFKC/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":"2026-08-06T16:29:24Z","links":{"resolver":"https://pith.science/pith/KE7GK6YSLQB54WWSWC6E4XPFKC","bundle":"https://pith.science/pith/KE7GK6YSLQB54WWSWC6E4XPFKC/bundle.json","state":"https://pith.science/pith/KE7GK6YSLQB54WWSWC6E4XPFKC/state.json","well_known_bundle":"https://pith.science/.well-known/pith/KE7GK6YSLQB54WWSWC6E4XPFKC/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:KE7GK6YSLQB54WWSWC6E4XPFKC","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":"4f4ced05275d2f6598b0cf5161fe219e96f4822fa3ca9a4ad0704cc835ead029","cross_cats_sorted":["astro-ph.CO"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2025-01-15T03:04:24Z","title_canon_sha256":"97b0b4a56ec9f3a0f53d8f89178c17a3d3615bb49aa0cb1542fff873df6ba02f"},"schema_version":"1.0","source":{"id":"2501.08541","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2501.08541","created_at":"2026-07-05T10:28:32Z"},{"alias_kind":"arxiv_version","alias_value":"2501.08541v1","created_at":"2026-07-05T10:28:32Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2501.08541","created_at":"2026-07-05T10:28:32Z"},{"alias_kind":"pith_short_12","alias_value":"KE7GK6YSLQB5","created_at":"2026-07-05T10:28:32Z"},{"alias_kind":"pith_short_16","alias_value":"KE7GK6YSLQB54WWS","created_at":"2026-07-05T10:28:32Z"},{"alias_kind":"pith_short_8","alias_value":"KE7GK6YS","created_at":"2026-07-05T10:28:32Z"}],"graph_snapshots":[{"event_id":"sha256:8ca9669dd1cde2f676e6709b80dd6386d91eb007c68cb0f2db161fbdb86b99f1","target":"graph","created_at":"2026-07-05T10:28:32Z","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/2501.08541/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We report the follow-up spectroscopic confirmation of two lensed quasars, six dual quasars, and eleven projected quasars that were previously identified as lensed-quasar candidates in \\cite{He2023}. The spectroscopic data were obtained from two different sources: the P200/DBSP in California and publicly available datasets, including SDSS and DESI-EDR. The two lensed quasars (both pairs) have the following properties: $\\theta_E$ = 1.208'', $z_s$ = 3.105; $\\theta_E$ = 0.749, $z_s$ = 2.395. The six dual quasars have redshifts ranging from 0.58 to 3.28 and projected separations ranging from 15.44 ","authors_text":"Dongdong Shi, Guoliang Li, Limeng Deng, Nan Li, Qihang Chen, Rui Li, Yiping Shu, Zizhao He","cross_cats":["astro-ph.CO"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2025-01-15T03:04:24Z","title":"Discovery of 19 strongly-lensed quasars, dual and projected quasars in DESI-LS"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2501.08541","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":"sha256:82a0237b95d2376f1844d11e812c42233b6b1e61270f485a93db64408912403b","target":"record","created_at":"2026-07-05T10:28:32Z","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":"4f4ced05275d2f6598b0cf5161fe219e96f4822fa3ca9a4ad0704cc835ead029","cross_cats_sorted":["astro-ph.CO"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2025-01-15T03:04:24Z","title_canon_sha256":"97b0b4a56ec9f3a0f53d8f89178c17a3d3615bb49aa0cb1542fff873df6ba02f"},"schema_version":"1.0","source":{"id":"2501.08541","kind":"arxiv","version":1}},"canonical_sha256":"513e657b125c03de5ad2b0bc4e5de550a1b8723dd10fa943813beecce8eaa63b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"513e657b125c03de5ad2b0bc4e5de550a1b8723dd10fa943813beecce8eaa63b","first_computed_at":"2026-07-05T10:28:32.442347Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T10:28:32.442347Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"4/ShPcYF/Y/PXUfwSBXvhja8mGf3iOv05aJX7zofAwg58xNrGOjtq+Ye2VO5cRzZHE629CtmTJc4V9bSc7oGBA==","signature_status":"signed_v1","signed_at":"2026-07-05T10:28:32.442856Z","signed_message":"canonical_sha256_bytes"},"source_id":"2501.08541","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:82a0237b95d2376f1844d11e812c42233b6b1e61270f485a93db64408912403b","sha256:8ca9669dd1cde2f676e6709b80dd6386d91eb007c68cb0f2db161fbdb86b99f1"],"state_sha256":"5dfee46c3f234b1192f445b4e7e8ec72c0455598bb25b6064a166e42a6e4b7d6"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"pGGSt9KnuieaquV5Wr15CJLqie6lAyo9G6RKDzA798psQxWPdwqjxgFoxgzsW7Uom/vMjjyyaQvqJ9IcH8eFAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-06T16:29:24.704831Z","bundle_sha256":"810442291c87ecb4512a57f2987ad077f63b6e7879692c32c82dd9c00f7f9eee"}}