{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:2TJCR2HQ3IGKTMUEUWHYIO3R4W","short_pith_number":"pith:2TJCR2HQ","canonical_record":{"source":{"id":"1103.4047","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2011-03-21T15:14:48Z","cross_cats_sorted":[],"title_canon_sha256":"9909a416c246e1991d9f87deabffcc1a00a6c7aa47dfc0329835157baf774fa5","abstract_canon_sha256":"05c27b1af5e243f5cecbed9dd58f8e63d3328c34ae5d2a27249dce5078b7530e"},"schema_version":"1.0"},"canonical_sha256":"d4d228e8f0da0ca9b284a58f843b71e599498e48108ef44cd8c2f4dbe5a66706","source":{"kind":"arxiv","id":"1103.4047","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1103.4047","created_at":"2026-05-18T02:02:48Z"},{"alias_kind":"arxiv_version","alias_value":"1103.4047v3","created_at":"2026-05-18T02:02:48Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1103.4047","created_at":"2026-05-18T02:02:48Z"},{"alias_kind":"pith_short_12","alias_value":"2TJCR2HQ3IGK","created_at":"2026-05-18T12:26:18Z"},{"alias_kind":"pith_short_16","alias_value":"2TJCR2HQ3IGKTMUE","created_at":"2026-05-18T12:26:18Z"},{"alias_kind":"pith_short_8","alias_value":"2TJCR2HQ","created_at":"2026-05-18T12:26:18Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:2TJCR2HQ3IGKTMUEUWHYIO3R4W","target":"record","payload":{"canonical_record":{"source":{"id":"1103.4047","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2011-03-21T15:14:48Z","cross_cats_sorted":[],"title_canon_sha256":"9909a416c246e1991d9f87deabffcc1a00a6c7aa47dfc0329835157baf774fa5","abstract_canon_sha256":"05c27b1af5e243f5cecbed9dd58f8e63d3328c34ae5d2a27249dce5078b7530e"},"schema_version":"1.0"},"canonical_sha256":"d4d228e8f0da0ca9b284a58f843b71e599498e48108ef44cd8c2f4dbe5a66706","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:02:48.744621Z","signature_b64":"WOt6QzEQWcJcvt6GAeOX0UTg8NWAk/F9hNTrJiAFk8N3eBu001eBekzyW3O1dXJxkpDuNPALickLwZtTJkolBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d4d228e8f0da0ca9b284a58f843b71e599498e48108ef44cd8c2f4dbe5a66706","last_reissued_at":"2026-05-18T02:02:48.743961Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:02:48.743961Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1103.4047","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T02:02:48Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Tmuev9CpkBn/qSGFhxB9qnXr2kNFtNzqgPl39NgvAzeneKKjy77tlOAftAwe74oxxU4xe3tYIDgPtvqpiqF1BA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T08:21:20.879304Z"},"content_sha256":"fc2c2ae17613e7f42bae88b6f5b7e16e5a12972435adc28b6c9e400c10ebc82c","schema_version":"1.0","event_id":"sha256:fc2c2ae17613e7f42bae88b6f5b7e16e5a12972435adc28b6c9e400c10ebc82c"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:2TJCR2HQ3IGKTMUEUWHYIO3R4W","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A Groundbased Imaging Study of Galaxies Causing DLA, subDLA, and LLS Absorption in Quasar Spectra","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"Anna M. Quider, Daniel B. Nestor, David A. Turnshek, Eric M. Monier, Michele Belfort-Mihalyi, Sandhya M. Rao","submitted_at":"2011-03-21T15:14:48Z","abstract_excerpt":"We present results from a search for galaxies that give rise to damped Lyman alpha (DLA), subDLA, and Lyman limit system (LLS) absorption at redshifts 0.1 ~< z ~< 1 in the spectra of background quasars. The sample was formed from a larger sample of strong MgII absorbers (W_0^(2796) >= 0.3 A) whose HI column densities were determined by measuring the Ly-alpha line in HST UV spectra. Photometric redshifts, galaxy colors, and proximity to the quasar sightline, in decreasing order of importance, were used to identify galaxies responsible for the absorption. Our sample includes 80 absorption system"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1103.4047","kind":"arxiv","version":3},"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":"2026-05-18T02:02:48Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"tfTETH5Agxp/ia6y5q/4BcOwF1r6QBB+kCDzOXqil+jpNhyH8sp3U6VEiinK1b0AMmU80trDGMCjBEC33UZ8DA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T08:21:20.879674Z"},"content_sha256":"a27dd52f3b3aa152a7723bf358fac1d1e2813285fad68d2143bd37495796e84c","schema_version":"1.0","event_id":"sha256:a27dd52f3b3aa152a7723bf358fac1d1e2813285fad68d2143bd37495796e84c"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/2TJCR2HQ3IGKTMUEUWHYIO3R4W/bundle.json","state_url":"https://pith.science/pith/2TJCR2HQ3IGKTMUEUWHYIO3R4W/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/2TJCR2HQ3IGKTMUEUWHYIO3R4W/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":"2026-05-31T08:21:20Z","links":{"resolver":"https://pith.science/pith/2TJCR2HQ3IGKTMUEUWHYIO3R4W","bundle":"https://pith.science/pith/2TJCR2HQ3IGKTMUEUWHYIO3R4W/bundle.json","state":"https://pith.science/pith/2TJCR2HQ3IGKTMUEUWHYIO3R4W/state.json","well_known_bundle":"https://pith.science/.well-known/pith/2TJCR2HQ3IGKTMUEUWHYIO3R4W/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:2TJCR2HQ3IGKTMUEUWHYIO3R4W","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":"05c27b1af5e243f5cecbed9dd58f8e63d3328c34ae5d2a27249dce5078b7530e","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2011-03-21T15:14:48Z","title_canon_sha256":"9909a416c246e1991d9f87deabffcc1a00a6c7aa47dfc0329835157baf774fa5"},"schema_version":"1.0","source":{"id":"1103.4047","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1103.4047","created_at":"2026-05-18T02:02:48Z"},{"alias_kind":"arxiv_version","alias_value":"1103.4047v3","created_at":"2026-05-18T02:02:48Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1103.4047","created_at":"2026-05-18T02:02:48Z"},{"alias_kind":"pith_short_12","alias_value":"2TJCR2HQ3IGK","created_at":"2026-05-18T12:26:18Z"},{"alias_kind":"pith_short_16","alias_value":"2TJCR2HQ3IGKTMUE","created_at":"2026-05-18T12:26:18Z"},{"alias_kind":"pith_short_8","alias_value":"2TJCR2HQ","created_at":"2026-05-18T12:26:18Z"}],"graph_snapshots":[{"event_id":"sha256:a27dd52f3b3aa152a7723bf358fac1d1e2813285fad68d2143bd37495796e84c","target":"graph","created_at":"2026-05-18T02:02:48Z","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 results from a search for galaxies that give rise to damped Lyman alpha (DLA), subDLA, and Lyman limit system (LLS) absorption at redshifts 0.1 ~< z ~< 1 in the spectra of background quasars. The sample was formed from a larger sample of strong MgII absorbers (W_0^(2796) >= 0.3 A) whose HI column densities were determined by measuring the Ly-alpha line in HST UV spectra. Photometric redshifts, galaxy colors, and proximity to the quasar sightline, in decreasing order of importance, were used to identify galaxies responsible for the absorption. Our sample includes 80 absorption system","authors_text":"Anna M. Quider, Daniel B. Nestor, David A. Turnshek, Eric M. Monier, Michele Belfort-Mihalyi, Sandhya M. Rao","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2011-03-21T15:14:48Z","title":"A Groundbased Imaging Study of Galaxies Causing DLA, subDLA, and LLS Absorption in Quasar Spectra"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1103.4047","kind":"arxiv","version":3},"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:fc2c2ae17613e7f42bae88b6f5b7e16e5a12972435adc28b6c9e400c10ebc82c","target":"record","created_at":"2026-05-18T02:02:48Z","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":"05c27b1af5e243f5cecbed9dd58f8e63d3328c34ae5d2a27249dce5078b7530e","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2011-03-21T15:14:48Z","title_canon_sha256":"9909a416c246e1991d9f87deabffcc1a00a6c7aa47dfc0329835157baf774fa5"},"schema_version":"1.0","source":{"id":"1103.4047","kind":"arxiv","version":3}},"canonical_sha256":"d4d228e8f0da0ca9b284a58f843b71e599498e48108ef44cd8c2f4dbe5a66706","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d4d228e8f0da0ca9b284a58f843b71e599498e48108ef44cd8c2f4dbe5a66706","first_computed_at":"2026-05-18T02:02:48.743961Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:02:48.743961Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"WOt6QzEQWcJcvt6GAeOX0UTg8NWAk/F9hNTrJiAFk8N3eBu001eBekzyW3O1dXJxkpDuNPALickLwZtTJkolBA==","signature_status":"signed_v1","signed_at":"2026-05-18T02:02:48.744621Z","signed_message":"canonical_sha256_bytes"},"source_id":"1103.4047","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:fc2c2ae17613e7f42bae88b6f5b7e16e5a12972435adc28b6c9e400c10ebc82c","sha256:a27dd52f3b3aa152a7723bf358fac1d1e2813285fad68d2143bd37495796e84c"],"state_sha256":"34ea01c04a6ef0d9c929760dcc3d85774f3027331d8774711e671b899e6262eb"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"WktJFXeKLpdfxntFTIiWxsp5ifhGOpFY4Pg9heH4DLfs1C+AoBhvcHbL1zy8sqDjuSsoG8h8xKP/BWqxuwzdDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-31T08:21:20.881853Z","bundle_sha256":"c62e0abe86f57717016e61feec215f31b14ad5a42358cee493625650df7b0e6d"}}