{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:CSYBM4FH6ENXOD3LA534NCVQ66","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":"06f1ddb18e19b4c1c20763d16fb9f00461b56363e4dda1339c868c474ca7496b","cross_cats_sorted":["astro-ph.IM"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-07-13T20:49:42Z","title_canon_sha256":"1ad64ef92aa91378e9f72dbf5b50a8baef1152ad62db08cfee4bca30e1e2ac2d"},"schema_version":"1.0","source":{"id":"1807.05278","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1807.05278","created_at":"2026-05-18T00:01:29Z"},{"alias_kind":"arxiv_version","alias_value":"1807.05278v2","created_at":"2026-05-18T00:01:29Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1807.05278","created_at":"2026-05-18T00:01:29Z"},{"alias_kind":"pith_short_12","alias_value":"CSYBM4FH6ENX","created_at":"2026-05-18T12:32:19Z"},{"alias_kind":"pith_short_16","alias_value":"CSYBM4FH6ENXOD3L","created_at":"2026-05-18T12:32:19Z"},{"alias_kind":"pith_short_8","alias_value":"CSYBM4FH","created_at":"2026-05-18T12:32:19Z"}],"graph_snapshots":[{"event_id":"sha256:0c6fd2cdf184573484a59dd6f5fc3428f3f4e4079d8d0e976ddccee8beeb9e66","target":"graph","created_at":"2026-05-18T00:01:29Z","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 describe the selection of the James Webb Space Telescope (JWST) North Ecliptic Pole (NEP) Time-Domain Field (TDF), a ~14' diameter field located within JWST's northern Continuous Viewing Zone (CVZ) and centered at (RA, Dec)_J2000 = (17:22:47.896, +65:49:21.54). We demonstrate that this is the only region in the sky where JWST can observe a clean (i.e., free of bright foreground stars and with low Galactic foreground extinction) extragalactic deep survey field of this size at arbitrary cadence or at arbitrary orientation, and without a penalty in terms of a raised Zodiacal background. This w","authors_text":"Rogier A. Windhorst (ASU, Rolf A. Jansen, School of Earth & Space Exploration)","cross_cats":["astro-ph.IM"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-07-13T20:49:42Z","title":"The James Webb Space Telescope North Ecliptic Pole Time-Domain Field -- I: Field Selection of a JWST Community Field for Time-Domain Studies"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1807.05278","kind":"arxiv","version":2},"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":"sha256:2171e334e027dcbd88ca476d3d5aa4848c313f28e65c0c7281439b15e8f7498a","target":"record","created_at":"2026-05-18T00:01:29Z","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":"06f1ddb18e19b4c1c20763d16fb9f00461b56363e4dda1339c868c474ca7496b","cross_cats_sorted":["astro-ph.IM"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-07-13T20:49:42Z","title_canon_sha256":"1ad64ef92aa91378e9f72dbf5b50a8baef1152ad62db08cfee4bca30e1e2ac2d"},"schema_version":"1.0","source":{"id":"1807.05278","kind":"arxiv","version":2}},"canonical_sha256":"14b01670a7f11b770f6b0777c68ab0f783f0d330e664dc99992df2746fe36fc2","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"14b01670a7f11b770f6b0777c68ab0f783f0d330e664dc99992df2746fe36fc2","first_computed_at":"2026-05-18T00:01:29.046748Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:01:29.046748Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"QbTcpMLcVIpCDuXnn6DlHo3RSgYh3yCSuqptBZve5dKYd5NTDPAYPycJm3Rt7FZ8DgYqgy1vXvf3pqGP6z1jDw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:01:29.047334Z","signed_message":"canonical_sha256_bytes"},"source_id":"1807.05278","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:2171e334e027dcbd88ca476d3d5aa4848c313f28e65c0c7281439b15e8f7498a","sha256:0c6fd2cdf184573484a59dd6f5fc3428f3f4e4079d8d0e976ddccee8beeb9e66"],"state_sha256":"dae3bf15168e0e442b9205c21ce1417bf23ccca60fee48037cfdca8603c0fe37"}