{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:JE7LAMKRBPEI7Q6TKKGCH6VFFX","short_pith_number":"pith:JE7LAMKR","canonical_record":{"source":{"id":"1511.04205","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2015-11-13T09:12:57Z","cross_cats_sorted":[],"title_canon_sha256":"f4b2f4301411a531d904d89204c9342236b70e327e77da6bd16181f98d775936","abstract_canon_sha256":"4f77588e1fd1b40cceaedf143fdf800ae799971e67d5cd951f808acd8d0ed1ef"},"schema_version":"1.0"},"canonical_sha256":"493eb031510bc88fc3d3528c23faa52dcc59de61348716c53c5d235248437ef7","source":{"kind":"arxiv","id":"1511.04205","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1511.04205","created_at":"2026-05-18T01:20:41Z"},{"alias_kind":"arxiv_version","alias_value":"1511.04205v1","created_at":"2026-05-18T01:20:41Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1511.04205","created_at":"2026-05-18T01:20:41Z"},{"alias_kind":"pith_short_12","alias_value":"JE7LAMKRBPEI","created_at":"2026-05-18T12:29:27Z"},{"alias_kind":"pith_short_16","alias_value":"JE7LAMKRBPEI7Q6T","created_at":"2026-05-18T12:29:27Z"},{"alias_kind":"pith_short_8","alias_value":"JE7LAMKR","created_at":"2026-05-18T12:29:27Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:JE7LAMKRBPEI7Q6TKKGCH6VFFX","target":"record","payload":{"canonical_record":{"source":{"id":"1511.04205","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2015-11-13T09:12:57Z","cross_cats_sorted":[],"title_canon_sha256":"f4b2f4301411a531d904d89204c9342236b70e327e77da6bd16181f98d775936","abstract_canon_sha256":"4f77588e1fd1b40cceaedf143fdf800ae799971e67d5cd951f808acd8d0ed1ef"},"schema_version":"1.0"},"canonical_sha256":"493eb031510bc88fc3d3528c23faa52dcc59de61348716c53c5d235248437ef7","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:20:41.816437Z","signature_b64":"nXncFcN/2Jpd0ha1seHexTtKCU7r3YD8vPLUC70XJ4FrhDKKBKYEopDEBjjR3bvalGEf56DBOaijNJ5CwX06DQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"493eb031510bc88fc3d3528c23faa52dcc59de61348716c53c5d235248437ef7","last_reissued_at":"2026-05-18T01:20:41.815657Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:20:41.815657Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1511.04205","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":"2026-05-18T01:20:41Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Wn7EPlE/GOl2Jlzz9vwrr2T0g3JaGggL2HUvfM5kboKLu6w0ZXVOw8ljuH+GJdNiPexqrSUdrwyzSwOrbO7TDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T08:49:32.166397Z"},"content_sha256":"1348e0b529a48dc668ec6bb77b71ca7b4aa09fefe28917e733fde369332a5b4a","schema_version":"1.0","event_id":"sha256:1348e0b529a48dc668ec6bb77b71ca7b4aa09fefe28917e733fde369332a5b4a"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:JE7LAMKRBPEI7Q6TKKGCH6VFFX","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The Grism Lens-Amplified Survey from Space (GLASS). III. A census of Ly\\alpha\\ Emission at $z\\gtrsim$7 from HST Spectroscopy","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"A. Dressler, A. Fontana, A. Hoag, A. L. Henry, B. Vulcani, C. Mason, G. B. Brammer, K. B. Schmidt, K.-H. Huang, L. Guaita, L. Pentericci, M. Brada\\v{c}, M. Dijkstra, M. Maseda, M. Trenti, T. A. Jones, T. Treu, X. Wang","submitted_at":"2015-11-13T09:12:57Z","abstract_excerpt":"[abbreviated] We present a census of Ly\\alpha\\ emission at $z\\gtrsim7$ utilizing deep near infrared HST grism spectroscopy from the first six completed clusters of the Grism Lens-Amplified Survey from Space (GLASS). In 24/159 photometrically selected galaxies we detect emission lines consistent with Ly\\alpha\\ in the GLASS spectra. Based on the distribution of signal-to-noise ratios and on simulations we expect the completeness and the purity of the sample to be 40-100% and 60-90%, respectively. For the objects without detected emission lines we show that the observed (not corrected for lensing"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1511.04205","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":"2026-05-18T01:20:41Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"9iv+8IGCEY2JSLgF9QUieiiNt67vT9AYff9zLDQwHXl/TR3Cw9J3LQWUeQufDchRk73l0w7ah8fmvs/AlVDnDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T08:49:32.166940Z"},"content_sha256":"6cabc62360e0ba3def7368b212d98203e4699e828b649fdbf7e7f1222bea08a8","schema_version":"1.0","event_id":"sha256:6cabc62360e0ba3def7368b212d98203e4699e828b649fdbf7e7f1222bea08a8"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/JE7LAMKRBPEI7Q6TKKGCH6VFFX/bundle.json","state_url":"https://pith.science/pith/JE7LAMKRBPEI7Q6TKKGCH6VFFX/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/JE7LAMKRBPEI7Q6TKKGCH6VFFX/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":"2026-06-01T08:49:32Z","links":{"resolver":"https://pith.science/pith/JE7LAMKRBPEI7Q6TKKGCH6VFFX","bundle":"https://pith.science/pith/JE7LAMKRBPEI7Q6TKKGCH6VFFX/bundle.json","state":"https://pith.science/pith/JE7LAMKRBPEI7Q6TKKGCH6VFFX/state.json","well_known_bundle":"https://pith.science/.well-known/pith/JE7LAMKRBPEI7Q6TKKGCH6VFFX/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:JE7LAMKRBPEI7Q6TKKGCH6VFFX","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":"4f77588e1fd1b40cceaedf143fdf800ae799971e67d5cd951f808acd8d0ed1ef","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2015-11-13T09:12:57Z","title_canon_sha256":"f4b2f4301411a531d904d89204c9342236b70e327e77da6bd16181f98d775936"},"schema_version":"1.0","source":{"id":"1511.04205","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1511.04205","created_at":"2026-05-18T01:20:41Z"},{"alias_kind":"arxiv_version","alias_value":"1511.04205v1","created_at":"2026-05-18T01:20:41Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1511.04205","created_at":"2026-05-18T01:20:41Z"},{"alias_kind":"pith_short_12","alias_value":"JE7LAMKRBPEI","created_at":"2026-05-18T12:29:27Z"},{"alias_kind":"pith_short_16","alias_value":"JE7LAMKRBPEI7Q6T","created_at":"2026-05-18T12:29:27Z"},{"alias_kind":"pith_short_8","alias_value":"JE7LAMKR","created_at":"2026-05-18T12:29:27Z"}],"graph_snapshots":[{"event_id":"sha256:6cabc62360e0ba3def7368b212d98203e4699e828b649fdbf7e7f1222bea08a8","target":"graph","created_at":"2026-05-18T01:20:41Z","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":"[abbreviated] We present a census of Ly\\alpha\\ emission at $z\\gtrsim7$ utilizing deep near infrared HST grism spectroscopy from the first six completed clusters of the Grism Lens-Amplified Survey from Space (GLASS). In 24/159 photometrically selected galaxies we detect emission lines consistent with Ly\\alpha\\ in the GLASS spectra. Based on the distribution of signal-to-noise ratios and on simulations we expect the completeness and the purity of the sample to be 40-100% and 60-90%, respectively. For the objects without detected emission lines we show that the observed (not corrected for lensing","authors_text":"A. Dressler, A. Fontana, A. Hoag, A. L. Henry, B. Vulcani, C. Mason, G. B. Brammer, K. B. Schmidt, K.-H. Huang, L. Guaita, L. Pentericci, M. Brada\\v{c}, M. Dijkstra, M. Maseda, M. Trenti, T. A. Jones, T. Treu, X. Wang","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2015-11-13T09:12:57Z","title":"The Grism Lens-Amplified Survey from Space (GLASS). III. A census of Ly\\alpha\\ Emission at $z\\gtrsim$7 from HST Spectroscopy"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1511.04205","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":"sha256:1348e0b529a48dc668ec6bb77b71ca7b4aa09fefe28917e733fde369332a5b4a","target":"record","created_at":"2026-05-18T01:20:41Z","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":"4f77588e1fd1b40cceaedf143fdf800ae799971e67d5cd951f808acd8d0ed1ef","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2015-11-13T09:12:57Z","title_canon_sha256":"f4b2f4301411a531d904d89204c9342236b70e327e77da6bd16181f98d775936"},"schema_version":"1.0","source":{"id":"1511.04205","kind":"arxiv","version":1}},"canonical_sha256":"493eb031510bc88fc3d3528c23faa52dcc59de61348716c53c5d235248437ef7","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"493eb031510bc88fc3d3528c23faa52dcc59de61348716c53c5d235248437ef7","first_computed_at":"2026-05-18T01:20:41.815657Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:20:41.815657Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"nXncFcN/2Jpd0ha1seHexTtKCU7r3YD8vPLUC70XJ4FrhDKKBKYEopDEBjjR3bvalGEf56DBOaijNJ5CwX06DQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:20:41.816437Z","signed_message":"canonical_sha256_bytes"},"source_id":"1511.04205","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1348e0b529a48dc668ec6bb77b71ca7b4aa09fefe28917e733fde369332a5b4a","sha256:6cabc62360e0ba3def7368b212d98203e4699e828b649fdbf7e7f1222bea08a8"],"state_sha256":"215a761bed27832170564deaef8fbc48b68400ba581d97cd7218029be7036563"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"HJqLdnnxLFx6g4Fu7nxmQSkEuxMU0hoj7Ebddo6XffFbLVjn0+iABkVRi8gA3TsOjRZuzwND34GH60G7AKqxBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-01T08:49:32.168837Z","bundle_sha256":"dc3fb8d2c934c1efb8ee7812ec356f0eef7582646325725b4c9b6bf9a15d2bdf"}}