{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:HYIT3Z4UISKQKHB5V2KY6QUFAP","short_pith_number":"pith:HYIT3Z4U","canonical_record":{"source":{"id":"1502.04287","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2015-02-15T07:12:59Z","cross_cats_sorted":["physics.space-ph"],"title_canon_sha256":"ee7d5801d2c30fcec5bb2de916342202e4657fa2add0a60dee107c0fadb15855","abstract_canon_sha256":"c78e704821edc0ea4a0fe9d915da3b131d545184a9ae400a09abbef383ee93e3"},"schema_version":"1.0"},"canonical_sha256":"3e113de7944495051c3dae958f428503d665bb6078c7b61366123daca766e8ae","source":{"kind":"arxiv","id":"1502.04287","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1502.04287","created_at":"2026-05-18T01:41:03Z"},{"alias_kind":"arxiv_version","alias_value":"1502.04287v1","created_at":"2026-05-18T01:41:03Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1502.04287","created_at":"2026-05-18T01:41:03Z"},{"alias_kind":"pith_short_12","alias_value":"HYIT3Z4UISKQ","created_at":"2026-05-18T12:29:25Z"},{"alias_kind":"pith_short_16","alias_value":"HYIT3Z4UISKQKHB5","created_at":"2026-05-18T12:29:25Z"},{"alias_kind":"pith_short_8","alias_value":"HYIT3Z4U","created_at":"2026-05-18T12:29:25Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:HYIT3Z4UISKQKHB5V2KY6QUFAP","target":"record","payload":{"canonical_record":{"source":{"id":"1502.04287","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2015-02-15T07:12:59Z","cross_cats_sorted":["physics.space-ph"],"title_canon_sha256":"ee7d5801d2c30fcec5bb2de916342202e4657fa2add0a60dee107c0fadb15855","abstract_canon_sha256":"c78e704821edc0ea4a0fe9d915da3b131d545184a9ae400a09abbef383ee93e3"},"schema_version":"1.0"},"canonical_sha256":"3e113de7944495051c3dae958f428503d665bb6078c7b61366123daca766e8ae","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:41:03.153815Z","signature_b64":"zNhDDzxm7SJ9MLLRY5PDsyGGr9YN7NHkH+WLaEFHjXIGZ2i6YyfxNRNqUIOeHKENQiZZmBZW02oA6ny6+JX+DQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"3e113de7944495051c3dae958f428503d665bb6078c7b61366123daca766e8ae","last_reissued_at":"2026-05-18T01:41:03.153189Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:41:03.153189Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1502.04287","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":"2026-05-18T01:41:03Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"wZNgYbTPf7U1yQNecILB07dwu8F/jWzJZ/ZuEfbum0eLI/9kr+/5WfViuXZivEO1iJJpsxzzweD3Rawc3gzICQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T21:10:47.656261Z"},"content_sha256":"14677b224b3059fd514b33898b4ee58ba103e5e8cb6d006e392688afdbae85f8","schema_version":"1.0","event_id":"sha256:14677b224b3059fd514b33898b4ee58ba103e5e8cb6d006e392688afdbae85f8"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:HYIT3Z4UISKQKHB5V2KY6QUFAP","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"An Unprecedented Constraint on Water Content in the Sunlit Lunar Exosphere Seen by Lunar-Based Ultraviolet Telescope of Chang'e-3 Mission","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.space-ph"],"primary_cat":"astro-ph.EP","authors_text":"C. Wu, H. B. Cai, J. S. Deng, J. Wang, J. Y. Wei, L. Cao, X. H. Han, X. M. Meng, Y. L. Qiu","submitted_at":"2015-02-15T07:12:59Z","abstract_excerpt":"The content of $\\mathrm{OH/H_2O}$ molecules in the tenuous exosphere of the Moon is still an open issue at present. We here report an unprecedented upper limit of the content of the OH radicals, which is obtained from the in-situ measurements carried out \\rm by the Lunar-based Ultraviolet Telescope, a payload of Chinese Chang'e-3 mission. By analyzing the diffuse background in the images taken by the telescope, the column density and surface concentration of the OH radicals are inferred to be $<10^{11}\\ \\mathrm{cm^{-2}}$ and $<10^{4}\\ \\mathrm{cm^{-3}}$ (by assuming a hydrostatic equilibrium wi"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1502.04287","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":"2026-05-18T01:41:03Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ywKnVq5eYKV5LkO87n9PL9WDeWySdivxFGuMcruI/RBmsKxMQn9jrsfq3ecOQd2D58GB6njz90ZfjQRdsMi8Dw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T21:10:47.656729Z"},"content_sha256":"8abf2927f2ceaca873da5cad7fbaee3d74f0819da2430cc896dda004745a8c09","schema_version":"1.0","event_id":"sha256:8abf2927f2ceaca873da5cad7fbaee3d74f0819da2430cc896dda004745a8c09"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/HYIT3Z4UISKQKHB5V2KY6QUFAP/bundle.json","state_url":"https://pith.science/pith/HYIT3Z4UISKQKHB5V2KY6QUFAP/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/HYIT3Z4UISKQKHB5V2KY6QUFAP/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":"2026-05-31T21:10:47Z","links":{"resolver":"https://pith.science/pith/HYIT3Z4UISKQKHB5V2KY6QUFAP","bundle":"https://pith.science/pith/HYIT3Z4UISKQKHB5V2KY6QUFAP/bundle.json","state":"https://pith.science/pith/HYIT3Z4UISKQKHB5V2KY6QUFAP/state.json","well_known_bundle":"https://pith.science/.well-known/pith/HYIT3Z4UISKQKHB5V2KY6QUFAP/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:HYIT3Z4UISKQKHB5V2KY6QUFAP","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":"c78e704821edc0ea4a0fe9d915da3b131d545184a9ae400a09abbef383ee93e3","cross_cats_sorted":["physics.space-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2015-02-15T07:12:59Z","title_canon_sha256":"ee7d5801d2c30fcec5bb2de916342202e4657fa2add0a60dee107c0fadb15855"},"schema_version":"1.0","source":{"id":"1502.04287","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1502.04287","created_at":"2026-05-18T01:41:03Z"},{"alias_kind":"arxiv_version","alias_value":"1502.04287v1","created_at":"2026-05-18T01:41:03Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1502.04287","created_at":"2026-05-18T01:41:03Z"},{"alias_kind":"pith_short_12","alias_value":"HYIT3Z4UISKQ","created_at":"2026-05-18T12:29:25Z"},{"alias_kind":"pith_short_16","alias_value":"HYIT3Z4UISKQKHB5","created_at":"2026-05-18T12:29:25Z"},{"alias_kind":"pith_short_8","alias_value":"HYIT3Z4U","created_at":"2026-05-18T12:29:25Z"}],"graph_snapshots":[{"event_id":"sha256:8abf2927f2ceaca873da5cad7fbaee3d74f0819da2430cc896dda004745a8c09","target":"graph","created_at":"2026-05-18T01:41:03Z","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":"The content of $\\mathrm{OH/H_2O}$ molecules in the tenuous exosphere of the Moon is still an open issue at present. We here report an unprecedented upper limit of the content of the OH radicals, which is obtained from the in-situ measurements carried out \\rm by the Lunar-based Ultraviolet Telescope, a payload of Chinese Chang'e-3 mission. By analyzing the diffuse background in the images taken by the telescope, the column density and surface concentration of the OH radicals are inferred to be $<10^{11}\\ \\mathrm{cm^{-2}}$ and $<10^{4}\\ \\mathrm{cm^{-3}}$ (by assuming a hydrostatic equilibrium wi","authors_text":"C. Wu, H. B. Cai, J. S. Deng, J. Wang, J. Y. Wei, L. Cao, X. H. Han, X. M. Meng, Y. L. Qiu","cross_cats":["physics.space-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2015-02-15T07:12:59Z","title":"An Unprecedented Constraint on Water Content in the Sunlit Lunar Exosphere Seen by Lunar-Based Ultraviolet Telescope of Chang'e-3 Mission"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1502.04287","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":"sha256:14677b224b3059fd514b33898b4ee58ba103e5e8cb6d006e392688afdbae85f8","target":"record","created_at":"2026-05-18T01:41:03Z","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":"c78e704821edc0ea4a0fe9d915da3b131d545184a9ae400a09abbef383ee93e3","cross_cats_sorted":["physics.space-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2015-02-15T07:12:59Z","title_canon_sha256":"ee7d5801d2c30fcec5bb2de916342202e4657fa2add0a60dee107c0fadb15855"},"schema_version":"1.0","source":{"id":"1502.04287","kind":"arxiv","version":1}},"canonical_sha256":"3e113de7944495051c3dae958f428503d665bb6078c7b61366123daca766e8ae","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"3e113de7944495051c3dae958f428503d665bb6078c7b61366123daca766e8ae","first_computed_at":"2026-05-18T01:41:03.153189Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:41:03.153189Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"zNhDDzxm7SJ9MLLRY5PDsyGGr9YN7NHkH+WLaEFHjXIGZ2i6YyfxNRNqUIOeHKENQiZZmBZW02oA6ny6+JX+DQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:41:03.153815Z","signed_message":"canonical_sha256_bytes"},"source_id":"1502.04287","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:14677b224b3059fd514b33898b4ee58ba103e5e8cb6d006e392688afdbae85f8","sha256:8abf2927f2ceaca873da5cad7fbaee3d74f0819da2430cc896dda004745a8c09"],"state_sha256":"73784c0c2074c653c4e7c76315ed7c7efc062191d3637f763aba39ca957043a3"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"wbDMREhAWAp9qn9/WVHF6+vQZoAZCaHzNNPv2aKo319uBtVBKNrD9lSkYPnHCdL/VGp0gtPRH2YcgUWeEeQFBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-31T21:10:47.660390Z","bundle_sha256":"58640be481f1513597898d059ce93a3bc6d949c619e6f3766c67e044c778d23a"}}