{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2008:RM2XQ366EFK2GOBEQ364N4LFAX","short_pith_number":"pith:RM2XQ366","canonical_record":{"source":{"id":"0805.1412","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph","submitted_at":"2008-05-09T20:06:38Z","cross_cats_sorted":[],"title_canon_sha256":"c1322e916e3f17f2a5b487545b8bb3ac2316baeae25c3ce14a7aeb04b9179603","abstract_canon_sha256":"7e6bdd601968d68ee0f40707af622fd6ef36cc557f56e3d95676d186aac154ae"},"schema_version":"1.0"},"canonical_sha256":"8b35786fde2155a3382486fdc6f16505fbedc10b3addab9091d3427a24d5e40d","source":{"kind":"arxiv","id":"0805.1412","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0805.1412","created_at":"2026-05-18T04:29:33Z"},{"alias_kind":"arxiv_version","alias_value":"0805.1412v2","created_at":"2026-05-18T04:29:33Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0805.1412","created_at":"2026-05-18T04:29:33Z"},{"alias_kind":"pith_short_12","alias_value":"RM2XQ366EFK2","created_at":"2026-05-18T12:25:58Z"},{"alias_kind":"pith_short_16","alias_value":"RM2XQ366EFK2GOBE","created_at":"2026-05-18T12:25:58Z"},{"alias_kind":"pith_short_8","alias_value":"RM2XQ366","created_at":"2026-05-18T12:25:58Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2008:RM2XQ366EFK2GOBEQ364N4LFAX","target":"record","payload":{"canonical_record":{"source":{"id":"0805.1412","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph","submitted_at":"2008-05-09T20:06:38Z","cross_cats_sorted":[],"title_canon_sha256":"c1322e916e3f17f2a5b487545b8bb3ac2316baeae25c3ce14a7aeb04b9179603","abstract_canon_sha256":"7e6bdd601968d68ee0f40707af622fd6ef36cc557f56e3d95676d186aac154ae"},"schema_version":"1.0"},"canonical_sha256":"8b35786fde2155a3382486fdc6f16505fbedc10b3addab9091d3427a24d5e40d","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:29:33.671120Z","signature_b64":"XAtn6fiIY/geoQGgQDV0bOn3F0fXckpSr4ZnWoGH+pMmwvCbH7Rnfp2kKq1sxxGpHaZWgCK4F5ErnCfSd/CKCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"8b35786fde2155a3382486fdc6f16505fbedc10b3addab9091d3427a24d5e40d","last_reissued_at":"2026-05-18T04:29:33.670767Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:29:33.670767Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0805.1412","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":"2026-05-18T04:29:33Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"r4+W468gm1ANhh1YJVH5DvOzBZ0ug9867MScESDulBqs04wX/Fj++foLs2/pLCUc6fEEDKGy3tl9CwCU5k8dDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T21:38:03.154624Z"},"content_sha256":"4cee72f46a38f04498acf7036f115a26cadb42d497daa4ca6932e9c044085e89","schema_version":"1.0","event_id":"sha256:4cee72f46a38f04498acf7036f115a26cadb42d497daa4ca6932e9c044085e89"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2008:RM2XQ366EFK2GOBEQ364N4LFAX","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The Environments of High Redshift QSOs","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"A. Mahabal, C.M.Pavlovsky, C. Scarlata, D. Stern, D. Thompson, G. Meylan, Massimo Stiavelli, M. Dickinson, M. Trenti, N. Panagia, S.G. Djorgovski, SoYoung Kim","submitted_at":"2008-05-09T20:06:38Z","abstract_excerpt":"We present a sample of $i_{775}$-dropout candidates identified in five Hubble Advanced Camera for Surveys fields centered on Sloan Digital Sky Survey QSOs at redshift $z\\sim 6$. Our fields are as deep as the Great Observatory Origins Deep Survey (GOODS) ACS images which are used as a reference field sample. We find them to be overdense in two fields, underdense in two fields, and as dense as the average density of GOODS in one field. The two excess fields show significantly different color distributions from that of GOODS at the 99% confidence level, strengthening the idea that the excess obje"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0805.1412","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":"2026-05-18T04:29:33Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"h3DvrRDOjiuTLPvoR+vaiYF4Bs+M5aX4cFy8DfN728T2s2WtnmNQ0WL3IO+8yLV9MWhW57CyMpmdJj3mbe0uBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T21:38:03.155302Z"},"content_sha256":"f8352ea49878232b2c81a3b255c42d0cd6224c282c9bbca1a75ea1714045dc7b","schema_version":"1.0","event_id":"sha256:f8352ea49878232b2c81a3b255c42d0cd6224c282c9bbca1a75ea1714045dc7b"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/RM2XQ366EFK2GOBEQ364N4LFAX/bundle.json","state_url":"https://pith.science/pith/RM2XQ366EFK2GOBEQ364N4LFAX/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/RM2XQ366EFK2GOBEQ364N4LFAX/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":"2026-05-27T21:38:03Z","links":{"resolver":"https://pith.science/pith/RM2XQ366EFK2GOBEQ364N4LFAX","bundle":"https://pith.science/pith/RM2XQ366EFK2GOBEQ364N4LFAX/bundle.json","state":"https://pith.science/pith/RM2XQ366EFK2GOBEQ364N4LFAX/state.json","well_known_bundle":"https://pith.science/.well-known/pith/RM2XQ366EFK2GOBEQ364N4LFAX/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2008:RM2XQ366EFK2GOBEQ364N4LFAX","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":"7e6bdd601968d68ee0f40707af622fd6ef36cc557f56e3d95676d186aac154ae","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph","submitted_at":"2008-05-09T20:06:38Z","title_canon_sha256":"c1322e916e3f17f2a5b487545b8bb3ac2316baeae25c3ce14a7aeb04b9179603"},"schema_version":"1.0","source":{"id":"0805.1412","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0805.1412","created_at":"2026-05-18T04:29:33Z"},{"alias_kind":"arxiv_version","alias_value":"0805.1412v2","created_at":"2026-05-18T04:29:33Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0805.1412","created_at":"2026-05-18T04:29:33Z"},{"alias_kind":"pith_short_12","alias_value":"RM2XQ366EFK2","created_at":"2026-05-18T12:25:58Z"},{"alias_kind":"pith_short_16","alias_value":"RM2XQ366EFK2GOBE","created_at":"2026-05-18T12:25:58Z"},{"alias_kind":"pith_short_8","alias_value":"RM2XQ366","created_at":"2026-05-18T12:25:58Z"}],"graph_snapshots":[{"event_id":"sha256:f8352ea49878232b2c81a3b255c42d0cd6224c282c9bbca1a75ea1714045dc7b","target":"graph","created_at":"2026-05-18T04:29:33Z","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 a sample of $i_{775}$-dropout candidates identified in five Hubble Advanced Camera for Surveys fields centered on Sloan Digital Sky Survey QSOs at redshift $z\\sim 6$. Our fields are as deep as the Great Observatory Origins Deep Survey (GOODS) ACS images which are used as a reference field sample. We find them to be overdense in two fields, underdense in two fields, and as dense as the average density of GOODS in one field. The two excess fields show significantly different color distributions from that of GOODS at the 99% confidence level, strengthening the idea that the excess obje","authors_text":"A. Mahabal, C.M.Pavlovsky, C. Scarlata, D. Stern, D. Thompson, G. Meylan, Massimo Stiavelli, M. Dickinson, M. Trenti, N. Panagia, S.G. Djorgovski, SoYoung Kim","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph","submitted_at":"2008-05-09T20:06:38Z","title":"The Environments of High Redshift QSOs"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0805.1412","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":"sha256:4cee72f46a38f04498acf7036f115a26cadb42d497daa4ca6932e9c044085e89","target":"record","created_at":"2026-05-18T04:29:33Z","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":"7e6bdd601968d68ee0f40707af622fd6ef36cc557f56e3d95676d186aac154ae","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph","submitted_at":"2008-05-09T20:06:38Z","title_canon_sha256":"c1322e916e3f17f2a5b487545b8bb3ac2316baeae25c3ce14a7aeb04b9179603"},"schema_version":"1.0","source":{"id":"0805.1412","kind":"arxiv","version":2}},"canonical_sha256":"8b35786fde2155a3382486fdc6f16505fbedc10b3addab9091d3427a24d5e40d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"8b35786fde2155a3382486fdc6f16505fbedc10b3addab9091d3427a24d5e40d","first_computed_at":"2026-05-18T04:29:33.670767Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:29:33.670767Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"XAtn6fiIY/geoQGgQDV0bOn3F0fXckpSr4ZnWoGH+pMmwvCbH7Rnfp2kKq1sxxGpHaZWgCK4F5ErnCfSd/CKCw==","signature_status":"signed_v1","signed_at":"2026-05-18T04:29:33.671120Z","signed_message":"canonical_sha256_bytes"},"source_id":"0805.1412","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:4cee72f46a38f04498acf7036f115a26cadb42d497daa4ca6932e9c044085e89","sha256:f8352ea49878232b2c81a3b255c42d0cd6224c282c9bbca1a75ea1714045dc7b"],"state_sha256":"5f3870613e6cb8e59db9fda4c36ddac8eccc484f4ec2cb4c8ec40c270fbe488f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"KsYe0tC7vCN/q/+Qt5n8aGro1boXHVo4ekrMP4tZeu9eJYbKDmF0Y7YkxLk38cXLP/5FWHKj4aM6UCYiiml1AA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T21:38:03.159043Z","bundle_sha256":"93272fa20dde1d2ff893faab137483f6493c179ffb84485b8eaa97048697fec3"}}