{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2009:VUOHYYYT6AESCMILWSVKWIS3KH","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":"b16cfe985684e1697c7127a38cfdb993d882e510c1211ca60c6eecd22727487e","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2009-10-27T13:59:58Z","title_canon_sha256":"59156095b1b70723978736083e22ae1f8dfdb68cd2852551056c80a5a41b5065"},"schema_version":"1.0","source":{"id":"0910.5120","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0910.5120","created_at":"2026-05-18T02:34:12Z"},{"alias_kind":"arxiv_version","alias_value":"0910.5120v2","created_at":"2026-05-18T02:34:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0910.5120","created_at":"2026-05-18T02:34:12Z"},{"alias_kind":"pith_short_12","alias_value":"VUOHYYYT6AES","created_at":"2026-05-18T12:26:02Z"},{"alias_kind":"pith_short_16","alias_value":"VUOHYYYT6AESCMIL","created_at":"2026-05-18T12:26:02Z"},{"alias_kind":"pith_short_8","alias_value":"VUOHYYYT","created_at":"2026-05-18T12:26:02Z"}],"graph_snapshots":[{"event_id":"sha256:28f8de50f0555059cdfa9463d57cb0afd0dca11501a3871428a177e21e2dbd51","target":"graph","created_at":"2026-05-18T02:34:12Z","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 spectroscopic target selection for the Galaxy And Mass Assembly (GAMA) survey. The input catalogue is drawn from the Sloan Digital Sky Survey (SDSS) and UKIRT Infrared Deep Sky Survey (UKIDSS). The aim is to measure redshifts for galaxies in three 4x12 degree regions at 9h, 12h and 14.5h, on the celestial equator, with magnitude selections r < 19.4, z < 18.2 and K(AB) < 17.6 over all three regions, and r < 19.8 in the 12-h region. The target density is 1080 per sq. deg. in the 12-h region and 720 per sq. deg. in the other regions. The average GAMA target density and area are co","authors_text":"A. M. Hopkins, A. S. G. Robotham, C. C. Popescu, C. S. Frenk, D. H. Jones, D. T. Hill, D. Thomas, E. Cameron, E. van Kampen, H. R. Parkinson, I. F. Doyle, I. K. Baldry, J. A. Peacock, J. Liske, J. Loveday, L. S. Kelvin, M. Prescott, N. J. G. Cross, P. Norberg, R. C. Nichol, R. G. Sharp, R. J. Tuffs, S. Dye, S. M. Croom, S. P. Bamford, S. P. Driver, W. J. Sutherland","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2009-10-27T13:59:58Z","title":"Galaxy And Mass Assembly (GAMA): The input catalogue and star-galaxy separation"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0910.5120","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:e76616bd40f4bb9253d5de98d38a0b1c0d5efae3b99cb9cf2e131a1b14894821","target":"record","created_at":"2026-05-18T02:34:12Z","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":"b16cfe985684e1697c7127a38cfdb993d882e510c1211ca60c6eecd22727487e","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2009-10-27T13:59:58Z","title_canon_sha256":"59156095b1b70723978736083e22ae1f8dfdb68cd2852551056c80a5a41b5065"},"schema_version":"1.0","source":{"id":"0910.5120","kind":"arxiv","version":2}},"canonical_sha256":"ad1c7c6313f00921310bb4aaab225b51d7d6c13d7b76b1b6888fbd2787c16173","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ad1c7c6313f00921310bb4aaab225b51d7d6c13d7b76b1b6888fbd2787c16173","first_computed_at":"2026-05-18T02:34:12.784557Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:34:12.784557Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"MUPpYBQK/em6TrXqvKNkDUiIcMPrKcLr6LMNsZDvkgbwglDLw169rsuO32AlCYqBkNrUND2FyzK6B1X/m7+9Dw==","signature_status":"signed_v1","signed_at":"2026-05-18T02:34:12.784922Z","signed_message":"canonical_sha256_bytes"},"source_id":"0910.5120","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e76616bd40f4bb9253d5de98d38a0b1c0d5efae3b99cb9cf2e131a1b14894821","sha256:28f8de50f0555059cdfa9463d57cb0afd0dca11501a3871428a177e21e2dbd51"],"state_sha256":"dddcb65cda9086efcfc4e75a2c9c1b26a445f711f3e7feb783d5bf510a04dbf8"}