{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:JCAMM7NTFIMKFQNODHU6WXOSYY","short_pith_number":"pith:JCAMM7NT","canonical_record":{"source":{"id":"1707.09975","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2017-07-31T17:48:42Z","cross_cats_sorted":["astro-ph.GA"],"title_canon_sha256":"049077649a8f5f35e3bd36499c10966d69f0753824dfdcd09e4c042b8226cce0","abstract_canon_sha256":"ce47eff4530fbdb2cb4bd8b2dbfdaa027819cddb2df2e696a8e4008616f99754"},"schema_version":"1.0"},"canonical_sha256":"4880c67db32a18a2c1ae19e9eb5dd2c63d110c943ea5c289e7400f8fecd2fdd0","source":{"kind":"arxiv","id":"1707.09975","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1707.09975","created_at":"2026-05-18T00:28:14Z"},{"alias_kind":"arxiv_version","alias_value":"1707.09975v2","created_at":"2026-05-18T00:28:14Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1707.09975","created_at":"2026-05-18T00:28:14Z"},{"alias_kind":"pith_short_12","alias_value":"JCAMM7NTFIMK","created_at":"2026-05-18T12:31:21Z"},{"alias_kind":"pith_short_16","alias_value":"JCAMM7NTFIMKFQNO","created_at":"2026-05-18T12:31:21Z"},{"alias_kind":"pith_short_8","alias_value":"JCAMM7NT","created_at":"2026-05-18T12:31:21Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:JCAMM7NTFIMKFQNODHU6WXOSYY","target":"record","payload":{"canonical_record":{"source":{"id":"1707.09975","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2017-07-31T17:48:42Z","cross_cats_sorted":["astro-ph.GA"],"title_canon_sha256":"049077649a8f5f35e3bd36499c10966d69f0753824dfdcd09e4c042b8226cce0","abstract_canon_sha256":"ce47eff4530fbdb2cb4bd8b2dbfdaa027819cddb2df2e696a8e4008616f99754"},"schema_version":"1.0"},"canonical_sha256":"4880c67db32a18a2c1ae19e9eb5dd2c63d110c943ea5c289e7400f8fecd2fdd0","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:28:14.918940Z","signature_b64":"V3OrUImKMuB0QXAv3ZKiLiM0MSyXDXMa8gOPR8dNvurVVz5GIojkxddd4atlVmlk89VGQBLnYdaiD5pDy4xXBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4880c67db32a18a2c1ae19e9eb5dd2c63d110c943ea5c289e7400f8fecd2fdd0","last_reissued_at":"2026-05-18T00:28:14.918249Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:28:14.918249Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1707.09975","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:28:14Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"a8MOSE7AIV9XRGkXMjXkUdWrS5UsP85KIbQMJits+ZfrOLX5imz2NqUWv355yzwqH1MgBib/rZ2xOGY7PVM+AQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T08:47:52.050729Z"},"content_sha256":"c97d38ce8ab0d719d7f12c7db97ac2f3d1acc80ccf6d401d3da90b4475100165","schema_version":"1.0","event_id":"sha256:c97d38ce8ab0d719d7f12c7db97ac2f3d1acc80ccf6d401d3da90b4475100165"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:JCAMM7NTFIMKFQNODHU6WXOSYY","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The UKIRT Hemisphere Survey: Definition and J-band Data Release","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.GA"],"primary_cat":"astro-ph.IM","authors_text":"A. Edge, A. Lawrence, D. Froebrich, E. Magnier, E. Sutorius, G. Hasinger, I. McGreer, J. A. Tedds, K. Chambers, K. E. Furnell, M. A. Read, M. Bold, M. Irwin, M. Liu, N. Hambly, O. Almaini, P. Hewett, P. Lucas, R. Green, S. Dye, S. M. Lederer, T. Kerr, W. Best, W. Varricatt, X. Fan, Z. Zhang","submitted_at":"2017-07-31T17:48:42Z","abstract_excerpt":"This paper defines the UK Infra-Red Telescope (UKIRT) Hemisphere Survey (UHS) and release of the remaining ~12,700 sq.deg of J-band survey data products. The UHS will provide continuous J and K-band coverage in the northern hemisphere from a declination of 0 deg to 60 deg by combining the existing Large Area Survey, Galactic Plane Survey and Galactic Clusters Survey conducted under the UKIRT Infra-red Deep Sky Survey (UKIDSS) programme with this new additional area not covered by UKIDSS. The released data includes J-band imaging and source catalogues over the new area, which, together with UKI"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1707.09975","kind":"arxiv","version":2},"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":"2026-05-18T00:28:14Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"REyCPSL3YLk6/vflii0JWkOHixhFI/0ytJ3W7t2NZnjES9ZnhbXKp+scYzWZmsQY8CPdHHzdV+PWLFAn6MXdDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T08:47:52.051391Z"},"content_sha256":"1aaf73923320dcabebeba1aefd27d51b8567eb276c588624a139722bc30d96db","schema_version":"1.0","event_id":"sha256:1aaf73923320dcabebeba1aefd27d51b8567eb276c588624a139722bc30d96db"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/JCAMM7NTFIMKFQNODHU6WXOSYY/bundle.json","state_url":"https://pith.science/pith/JCAMM7NTFIMKFQNODHU6WXOSYY/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/JCAMM7NTFIMKFQNODHU6WXOSYY/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":"2026-05-25T08:47:52Z","links":{"resolver":"https://pith.science/pith/JCAMM7NTFIMKFQNODHU6WXOSYY","bundle":"https://pith.science/pith/JCAMM7NTFIMKFQNODHU6WXOSYY/bundle.json","state":"https://pith.science/pith/JCAMM7NTFIMKFQNODHU6WXOSYY/state.json","well_known_bundle":"https://pith.science/.well-known/pith/JCAMM7NTFIMKFQNODHU6WXOSYY/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:JCAMM7NTFIMKFQNODHU6WXOSYY","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":"ce47eff4530fbdb2cb4bd8b2dbfdaa027819cddb2df2e696a8e4008616f99754","cross_cats_sorted":["astro-ph.GA"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2017-07-31T17:48:42Z","title_canon_sha256":"049077649a8f5f35e3bd36499c10966d69f0753824dfdcd09e4c042b8226cce0"},"schema_version":"1.0","source":{"id":"1707.09975","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1707.09975","created_at":"2026-05-18T00:28:14Z"},{"alias_kind":"arxiv_version","alias_value":"1707.09975v2","created_at":"2026-05-18T00:28:14Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1707.09975","created_at":"2026-05-18T00:28:14Z"},{"alias_kind":"pith_short_12","alias_value":"JCAMM7NTFIMK","created_at":"2026-05-18T12:31:21Z"},{"alias_kind":"pith_short_16","alias_value":"JCAMM7NTFIMKFQNO","created_at":"2026-05-18T12:31:21Z"},{"alias_kind":"pith_short_8","alias_value":"JCAMM7NT","created_at":"2026-05-18T12:31:21Z"}],"graph_snapshots":[{"event_id":"sha256:1aaf73923320dcabebeba1aefd27d51b8567eb276c588624a139722bc30d96db","target":"graph","created_at":"2026-05-18T00:28:14Z","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":"This paper defines the UK Infra-Red Telescope (UKIRT) Hemisphere Survey (UHS) and release of the remaining ~12,700 sq.deg of J-band survey data products. The UHS will provide continuous J and K-band coverage in the northern hemisphere from a declination of 0 deg to 60 deg by combining the existing Large Area Survey, Galactic Plane Survey and Galactic Clusters Survey conducted under the UKIRT Infra-red Deep Sky Survey (UKIDSS) programme with this new additional area not covered by UKIDSS. The released data includes J-band imaging and source catalogues over the new area, which, together with UKI","authors_text":"A. Edge, A. Lawrence, D. Froebrich, E. Magnier, E. Sutorius, G. Hasinger, I. McGreer, J. A. Tedds, K. Chambers, K. E. Furnell, M. A. Read, M. Bold, M. Irwin, M. Liu, N. Hambly, O. Almaini, P. Hewett, P. Lucas, R. Green, S. Dye, S. M. Lederer, T. Kerr, W. Best, W. Varricatt, X. Fan, Z. Zhang","cross_cats":["astro-ph.GA"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2017-07-31T17:48:42Z","title":"The UKIRT Hemisphere Survey: Definition and J-band Data Release"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1707.09975","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:c97d38ce8ab0d719d7f12c7db97ac2f3d1acc80ccf6d401d3da90b4475100165","target":"record","created_at":"2026-05-18T00:28:14Z","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":"ce47eff4530fbdb2cb4bd8b2dbfdaa027819cddb2df2e696a8e4008616f99754","cross_cats_sorted":["astro-ph.GA"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2017-07-31T17:48:42Z","title_canon_sha256":"049077649a8f5f35e3bd36499c10966d69f0753824dfdcd09e4c042b8226cce0"},"schema_version":"1.0","source":{"id":"1707.09975","kind":"arxiv","version":2}},"canonical_sha256":"4880c67db32a18a2c1ae19e9eb5dd2c63d110c943ea5c289e7400f8fecd2fdd0","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"4880c67db32a18a2c1ae19e9eb5dd2c63d110c943ea5c289e7400f8fecd2fdd0","first_computed_at":"2026-05-18T00:28:14.918249Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:28:14.918249Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"V3OrUImKMuB0QXAv3ZKiLiM0MSyXDXMa8gOPR8dNvurVVz5GIojkxddd4atlVmlk89VGQBLnYdaiD5pDy4xXBw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:28:14.918940Z","signed_message":"canonical_sha256_bytes"},"source_id":"1707.09975","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c97d38ce8ab0d719d7f12c7db97ac2f3d1acc80ccf6d401d3da90b4475100165","sha256:1aaf73923320dcabebeba1aefd27d51b8567eb276c588624a139722bc30d96db"],"state_sha256":"979b5fd593293814270eab080ee53b627d81f3c3c4f6a35efc569660228e9dc8"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qSIUH53wwLoz0+D42gHi1j5rlT3QX/nVqBaqFFdxMLk17Mpom8Ub8VU1CP4PnaDWBriDclgULhE0VZMLeMedDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T08:47:52.054920Z","bundle_sha256":"688b2c1720ddfe76383fdc59f9ff7d3664c08da76bc528ddca8c6c317e05cf52"}}