{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:V4KFZ2GIM7AZUP35HU5H6U4LUC","short_pith_number":"pith:V4KFZ2GI","canonical_record":{"source":{"id":"1410.0422","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2014-10-02T00:37:56Z","cross_cats_sorted":["astro-ph.IM"],"title_canon_sha256":"7f1a79f5b4b05156137c2cb0a36265bb60e5ede14b6a2ba55baaef44c2b8d4d1","abstract_canon_sha256":"e06fcfc6a9a054f25a09805d0e2b99605435c34c7f7a295f4ccc014da861f905"},"schema_version":"1.0"},"canonical_sha256":"af145ce8c867c19a3f7d3d3a7f538ba0aa98daeefc418dd4db47974f5ec788c8","source":{"kind":"arxiv","id":"1410.0422","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1410.0422","created_at":"2026-05-18T01:41:53Z"},{"alias_kind":"arxiv_version","alias_value":"1410.0422v1","created_at":"2026-05-18T01:41:53Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1410.0422","created_at":"2026-05-18T01:41:53Z"},{"alias_kind":"pith_short_12","alias_value":"V4KFZ2GIM7AZ","created_at":"2026-05-18T12:28:52Z"},{"alias_kind":"pith_short_16","alias_value":"V4KFZ2GIM7AZUP35","created_at":"2026-05-18T12:28:52Z"},{"alias_kind":"pith_short_8","alias_value":"V4KFZ2GI","created_at":"2026-05-18T12:28:52Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:V4KFZ2GIM7AZUP35HU5H6U4LUC","target":"record","payload":{"canonical_record":{"source":{"id":"1410.0422","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2014-10-02T00:37:56Z","cross_cats_sorted":["astro-ph.IM"],"title_canon_sha256":"7f1a79f5b4b05156137c2cb0a36265bb60e5ede14b6a2ba55baaef44c2b8d4d1","abstract_canon_sha256":"e06fcfc6a9a054f25a09805d0e2b99605435c34c7f7a295f4ccc014da861f905"},"schema_version":"1.0"},"canonical_sha256":"af145ce8c867c19a3f7d3d3a7f538ba0aa98daeefc418dd4db47974f5ec788c8","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:41:53.372841Z","signature_b64":"j5CXavLYywuiOGo/L6HIV1DvjPyjIh4LMXhmxLqKnncVDION1ttNxsT9K20jx7NnGKMyWIXHvTNsmXLyNkpnBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"af145ce8c867c19a3f7d3d3a7f538ba0aa98daeefc418dd4db47974f5ec788c8","last_reissued_at":"2026-05-18T01:41:53.372363Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:41:53.372363Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1410.0422","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":"2026-05-18T01:41:53Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"p/JbEUf1VjgZfhkztPpJtiR8gqYBx/L4h07eDUMlj3sJx7HB+Tm7exoCbMuU8yqU196UQjHlwWlYl4nlAz21BQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T03:44:38.747677Z"},"content_sha256":"5abb56217444068c36683f9f173d2785c16c81d03bbbafc1a2a2802a8d177f85","schema_version":"1.0","event_id":"sha256:5abb56217444068c36683f9f173d2785c16c81d03bbbafc1a2a2802a8d177f85"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:V4KFZ2GIM7AZUP35HU5H6U4LUC","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A Deep Proper Motion Catalog Within The Sloan Digital Sky Survey Footprint","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.IM"],"primary_cat":"astro-ph.SR","authors_text":"Elizabeth Jeffery, Hugh C. Harris, James W. Liebert, Jeffrey A. Munn, Kurtis A. Williams, Mukremin Kilic, Steven DeGenarro, Ted von Hippel, Trudy M. Tilleman","submitted_at":"2014-10-02T00:37:56Z","abstract_excerpt":"A new proper motion catalog is presented, combining the Sloan Digital Sky Survey (SDSS) with second epoch observations in the r band within a portion of the SDSS imaging footprint. The new observations were obtained with the 90prime camera on the Steward Observatory Bok 90 inch telescope, and the Array Camera on the U.S. Naval Observatory, Flagstaff Station, 1.3 meter telescope. The catalog covers 1098 square degrees to r = 22.0, an additional 1521 square degrees to r = 20.9, plus a further 488 square degrees of lesser quality data. Statistical errors in the proper motions range from 5 mas/yea"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1410.0422","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":"2026-05-18T01:41:53Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ati4v/HybG3XWLVIY/2bm1Ec5eEeZ5PHwPVwhfVrP8GmxDXFPCcxE6YvHvptpnwHFTz6IXm+l2fDJbuw9GOEBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T03:44:38.748387Z"},"content_sha256":"2414558ad2f1edf17d383a04701b97fbbdb96efb91d1b8b398c11ae3591cb462","schema_version":"1.0","event_id":"sha256:2414558ad2f1edf17d383a04701b97fbbdb96efb91d1b8b398c11ae3591cb462"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/V4KFZ2GIM7AZUP35HU5H6U4LUC/bundle.json","state_url":"https://pith.science/pith/V4KFZ2GIM7AZUP35HU5H6U4LUC/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/V4KFZ2GIM7AZUP35HU5H6U4LUC/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":"2026-05-26T03:44:38Z","links":{"resolver":"https://pith.science/pith/V4KFZ2GIM7AZUP35HU5H6U4LUC","bundle":"https://pith.science/pith/V4KFZ2GIM7AZUP35HU5H6U4LUC/bundle.json","state":"https://pith.science/pith/V4KFZ2GIM7AZUP35HU5H6U4LUC/state.json","well_known_bundle":"https://pith.science/.well-known/pith/V4KFZ2GIM7AZUP35HU5H6U4LUC/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:V4KFZ2GIM7AZUP35HU5H6U4LUC","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":"e06fcfc6a9a054f25a09805d0e2b99605435c34c7f7a295f4ccc014da861f905","cross_cats_sorted":["astro-ph.IM"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2014-10-02T00:37:56Z","title_canon_sha256":"7f1a79f5b4b05156137c2cb0a36265bb60e5ede14b6a2ba55baaef44c2b8d4d1"},"schema_version":"1.0","source":{"id":"1410.0422","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1410.0422","created_at":"2026-05-18T01:41:53Z"},{"alias_kind":"arxiv_version","alias_value":"1410.0422v1","created_at":"2026-05-18T01:41:53Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1410.0422","created_at":"2026-05-18T01:41:53Z"},{"alias_kind":"pith_short_12","alias_value":"V4KFZ2GIM7AZ","created_at":"2026-05-18T12:28:52Z"},{"alias_kind":"pith_short_16","alias_value":"V4KFZ2GIM7AZUP35","created_at":"2026-05-18T12:28:52Z"},{"alias_kind":"pith_short_8","alias_value":"V4KFZ2GI","created_at":"2026-05-18T12:28:52Z"}],"graph_snapshots":[{"event_id":"sha256:2414558ad2f1edf17d383a04701b97fbbdb96efb91d1b8b398c11ae3591cb462","target":"graph","created_at":"2026-05-18T01:41:53Z","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":"A new proper motion catalog is presented, combining the Sloan Digital Sky Survey (SDSS) with second epoch observations in the r band within a portion of the SDSS imaging footprint. The new observations were obtained with the 90prime camera on the Steward Observatory Bok 90 inch telescope, and the Array Camera on the U.S. Naval Observatory, Flagstaff Station, 1.3 meter telescope. The catalog covers 1098 square degrees to r = 22.0, an additional 1521 square degrees to r = 20.9, plus a further 488 square degrees of lesser quality data. Statistical errors in the proper motions range from 5 mas/yea","authors_text":"Elizabeth Jeffery, Hugh C. Harris, James W. Liebert, Jeffrey A. Munn, Kurtis A. Williams, Mukremin Kilic, Steven DeGenarro, Ted von Hippel, Trudy M. Tilleman","cross_cats":["astro-ph.IM"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2014-10-02T00:37:56Z","title":"A Deep Proper Motion Catalog Within The Sloan Digital Sky Survey Footprint"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1410.0422","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":"sha256:5abb56217444068c36683f9f173d2785c16c81d03bbbafc1a2a2802a8d177f85","target":"record","created_at":"2026-05-18T01:41:53Z","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":"e06fcfc6a9a054f25a09805d0e2b99605435c34c7f7a295f4ccc014da861f905","cross_cats_sorted":["astro-ph.IM"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2014-10-02T00:37:56Z","title_canon_sha256":"7f1a79f5b4b05156137c2cb0a36265bb60e5ede14b6a2ba55baaef44c2b8d4d1"},"schema_version":"1.0","source":{"id":"1410.0422","kind":"arxiv","version":1}},"canonical_sha256":"af145ce8c867c19a3f7d3d3a7f538ba0aa98daeefc418dd4db47974f5ec788c8","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"af145ce8c867c19a3f7d3d3a7f538ba0aa98daeefc418dd4db47974f5ec788c8","first_computed_at":"2026-05-18T01:41:53.372363Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:41:53.372363Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"j5CXavLYywuiOGo/L6HIV1DvjPyjIh4LMXhmxLqKnncVDION1ttNxsT9K20jx7NnGKMyWIXHvTNsmXLyNkpnBA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:41:53.372841Z","signed_message":"canonical_sha256_bytes"},"source_id":"1410.0422","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:5abb56217444068c36683f9f173d2785c16c81d03bbbafc1a2a2802a8d177f85","sha256:2414558ad2f1edf17d383a04701b97fbbdb96efb91d1b8b398c11ae3591cb462"],"state_sha256":"1e97bbb1d2dac94eb8ef73fbd55692f226116fa209960e8d193336152e85305c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"o8B5uOhBn6CnRlbC5i2CU01bUByz5dXmzXeqLde5cntjIv0JOKr86QolypeMCrrNWClk0tpWHX1nj12VnMLACQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T03:44:38.751339Z","bundle_sha256":"2cb134d6031dfcb1f207b850ed542dd43c0036e6e1f85af45780ebd0e9ae189b"}}