{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:7RK5Z7S7ZWLMLURXRGDFFRGJVV","short_pith_number":"pith:7RK5Z7S7","canonical_record":{"source":{"id":"1110.1722","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2011-10-08T11:01:28Z","cross_cats_sorted":[],"title_canon_sha256":"8590b2d06870df28258e5a88b36b3a82a962d0d5186eb099e57e6baa7879771a","abstract_canon_sha256":"d5bc2a22220f2b3864da22b6a0b8a39e847c5ed5aead84b872036b9c0d0f76f6"},"schema_version":"1.0"},"canonical_sha256":"fc55dcfe5fcd96c5d237898652c4c9ad6850c9b34778f64f3e702ef27daaf754","source":{"kind":"arxiv","id":"1110.1722","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1110.1722","created_at":"2026-05-18T02:00:16Z"},{"alias_kind":"arxiv_version","alias_value":"1110.1722v2","created_at":"2026-05-18T02:00:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1110.1722","created_at":"2026-05-18T02:00:16Z"},{"alias_kind":"pith_short_12","alias_value":"7RK5Z7S7ZWLM","created_at":"2026-05-18T12:26:22Z"},{"alias_kind":"pith_short_16","alias_value":"7RK5Z7S7ZWLMLURX","created_at":"2026-05-18T12:26:22Z"},{"alias_kind":"pith_short_8","alias_value":"7RK5Z7S7","created_at":"2026-05-18T12:26:22Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:7RK5Z7S7ZWLMLURXRGDFFRGJVV","target":"record","payload":{"canonical_record":{"source":{"id":"1110.1722","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2011-10-08T11:01:28Z","cross_cats_sorted":[],"title_canon_sha256":"8590b2d06870df28258e5a88b36b3a82a962d0d5186eb099e57e6baa7879771a","abstract_canon_sha256":"d5bc2a22220f2b3864da22b6a0b8a39e847c5ed5aead84b872036b9c0d0f76f6"},"schema_version":"1.0"},"canonical_sha256":"fc55dcfe5fcd96c5d237898652c4c9ad6850c9b34778f64f3e702ef27daaf754","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:00:16.166567Z","signature_b64":"3wWkKgdkPF9eUbvlZjzDArirJBjFUr5o+sTYi1GiQHqG4TC/KJmxdY8pUOH4fzvpOo6xFQkKTWtaKzQq1kAZAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"fc55dcfe5fcd96c5d237898652c4c9ad6850c9b34778f64f3e702ef27daaf754","last_reissued_at":"2026-05-18T02:00:16.166049Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:00:16.166049Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1110.1722","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":"2026-05-18T02:00:16Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"s9vO2sqjH/8vZ78lG/Dc9LMP8/j8kTu7lTi5Xzr0Hzcv+xAezEE7r3Zkek7sY7GWrpFhs6Wkx7rGFbHO69eWCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T10:05:29.205750Z"},"content_sha256":"242320fef54fcfcec11107b2162778ecc2c9a56958605a56c184a1e9284236a5","schema_version":"1.0","event_id":"sha256:242320fef54fcfcec11107b2162778ecc2c9a56958605a56c184a1e9284236a5"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:7RK5Z7S7ZWLMLURXRGDFFRGJVV","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A remarkably high fraction of strong Ly_alpha emitters amongst luminous redshift 6.0<z<6.5 Lyman break galaxies in the UKIDSS Ultra-Deep Survey","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"D. P. Stark, E. Curtis-Lake, E. J. Bradshaw, H. J. Pearce, J. S. Dunlop, M. Cirasuolo, O. Almaini, R. Chuter, R. J. McLure, S. Foucaud, W. G. Hartley","submitted_at":"2011-10-08T11:01:28Z","abstract_excerpt":"We present spectroscopic confirmation of ten highly luminous (L >= 2L*) Lyman alpha emitters in the redshift range 6.01<z<6.49 (nine galaxies and one AGN), initially drawn from a sample of fourteen z_phot >= 6 Lyman break galaxies (LBGs) selected from an area of 0.25 square degrees within the UKIDSS Ultra-deep Survey (UDS). Overall, our high rate of spectroscopic confirmation (>= 71%) and low rate of contamination provides a strong vindication of the photometric redshift analysis used to define the original sample. By considering star-formation rate estimates based on the Ly_alpha and UV conti"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1110.1722","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":"2026-05-18T02:00:16Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Rwt+NR9gpMiKkCqpf8JjBVmOcn4qjxHGpfdO2xRH0Txq6/uNspW3j3ixnF0qPuJXMk9+e7Agl1la7nIah2URAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T10:05:29.206139Z"},"content_sha256":"d682c0d9567459909db7fb6620e7740bca4f500d3f469b054bd4a85c6cb513cb","schema_version":"1.0","event_id":"sha256:d682c0d9567459909db7fb6620e7740bca4f500d3f469b054bd4a85c6cb513cb"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/7RK5Z7S7ZWLMLURXRGDFFRGJVV/bundle.json","state_url":"https://pith.science/pith/7RK5Z7S7ZWLMLURXRGDFFRGJVV/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/7RK5Z7S7ZWLMLURXRGDFFRGJVV/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":"2026-05-25T10:05:29Z","links":{"resolver":"https://pith.science/pith/7RK5Z7S7ZWLMLURXRGDFFRGJVV","bundle":"https://pith.science/pith/7RK5Z7S7ZWLMLURXRGDFFRGJVV/bundle.json","state":"https://pith.science/pith/7RK5Z7S7ZWLMLURXRGDFFRGJVV/state.json","well_known_bundle":"https://pith.science/.well-known/pith/7RK5Z7S7ZWLMLURXRGDFFRGJVV/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:7RK5Z7S7ZWLMLURXRGDFFRGJVV","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":"d5bc2a22220f2b3864da22b6a0b8a39e847c5ed5aead84b872036b9c0d0f76f6","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2011-10-08T11:01:28Z","title_canon_sha256":"8590b2d06870df28258e5a88b36b3a82a962d0d5186eb099e57e6baa7879771a"},"schema_version":"1.0","source":{"id":"1110.1722","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1110.1722","created_at":"2026-05-18T02:00:16Z"},{"alias_kind":"arxiv_version","alias_value":"1110.1722v2","created_at":"2026-05-18T02:00:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1110.1722","created_at":"2026-05-18T02:00:16Z"},{"alias_kind":"pith_short_12","alias_value":"7RK5Z7S7ZWLM","created_at":"2026-05-18T12:26:22Z"},{"alias_kind":"pith_short_16","alias_value":"7RK5Z7S7ZWLMLURX","created_at":"2026-05-18T12:26:22Z"},{"alias_kind":"pith_short_8","alias_value":"7RK5Z7S7","created_at":"2026-05-18T12:26:22Z"}],"graph_snapshots":[{"event_id":"sha256:d682c0d9567459909db7fb6620e7740bca4f500d3f469b054bd4a85c6cb513cb","target":"graph","created_at":"2026-05-18T02:00:16Z","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 present spectroscopic confirmation of ten highly luminous (L >= 2L*) Lyman alpha emitters in the redshift range 6.01<z<6.49 (nine galaxies and one AGN), initially drawn from a sample of fourteen z_phot >= 6 Lyman break galaxies (LBGs) selected from an area of 0.25 square degrees within the UKIDSS Ultra-deep Survey (UDS). Overall, our high rate of spectroscopic confirmation (>= 71%) and low rate of contamination provides a strong vindication of the photometric redshift analysis used to define the original sample. By considering star-formation rate estimates based on the Ly_alpha and UV conti","authors_text":"D. P. Stark, E. Curtis-Lake, E. J. Bradshaw, H. J. Pearce, J. S. Dunlop, M. Cirasuolo, O. Almaini, R. Chuter, R. J. McLure, S. Foucaud, W. G. Hartley","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2011-10-08T11:01:28Z","title":"A remarkably high fraction of strong Ly_alpha emitters amongst luminous redshift 6.0<z<6.5 Lyman break galaxies in the UKIDSS Ultra-Deep Survey"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1110.1722","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":"sha256:242320fef54fcfcec11107b2162778ecc2c9a56958605a56c184a1e9284236a5","target":"record","created_at":"2026-05-18T02:00:16Z","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":"d5bc2a22220f2b3864da22b6a0b8a39e847c5ed5aead84b872036b9c0d0f76f6","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2011-10-08T11:01:28Z","title_canon_sha256":"8590b2d06870df28258e5a88b36b3a82a962d0d5186eb099e57e6baa7879771a"},"schema_version":"1.0","source":{"id":"1110.1722","kind":"arxiv","version":2}},"canonical_sha256":"fc55dcfe5fcd96c5d237898652c4c9ad6850c9b34778f64f3e702ef27daaf754","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"fc55dcfe5fcd96c5d237898652c4c9ad6850c9b34778f64f3e702ef27daaf754","first_computed_at":"2026-05-18T02:00:16.166049Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:00:16.166049Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"3wWkKgdkPF9eUbvlZjzDArirJBjFUr5o+sTYi1GiQHqG4TC/KJmxdY8pUOH4fzvpOo6xFQkKTWtaKzQq1kAZAQ==","signature_status":"signed_v1","signed_at":"2026-05-18T02:00:16.166567Z","signed_message":"canonical_sha256_bytes"},"source_id":"1110.1722","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:242320fef54fcfcec11107b2162778ecc2c9a56958605a56c184a1e9284236a5","sha256:d682c0d9567459909db7fb6620e7740bca4f500d3f469b054bd4a85c6cb513cb"],"state_sha256":"1c7f4133ddb86eb08b2b7c7160107e8e08edc94d26926b48d7b65576ccb49b41"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"CwyDWZYSjWcAy9c+SWZV0uEQpxCTb5LyatiP4f1hgQIu2LSCF1R115wMl+PtvsOuww44/fmb3g77OYHFobwIDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T10:05:29.208833Z","bundle_sha256":"ea0ac1468583d633504c237b41644323598fd0acbec2b28c3b452a4948c672fc"}}