{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2008:6HGC65TOYY6PQJCH4JPBTWEW44","short_pith_number":"pith:6HGC65TO","canonical_record":{"source":{"id":"0803.1174","kind":"arxiv","version":4},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph","submitted_at":"2008-03-07T20:54:58Z","cross_cats_sorted":[],"title_canon_sha256":"64178b84776803108afe429f7ac5b18fc91aa10fd8c9fa89df46b83b9c3f6e9f","abstract_canon_sha256":"b73b5111d597eeacb2ee75415f665b0c520ae6a6168a6f4646d7925b0a6e1252"},"schema_version":"1.0"},"canonical_sha256":"f1cc2f766ec63cf82447e25e19d896e73157ba75e2dd27e2c8175e3e98d3ba99","source":{"kind":"arxiv","id":"0803.1174","version":4},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0803.1174","created_at":"2026-05-18T02:16:00Z"},{"alias_kind":"arxiv_version","alias_value":"0803.1174v4","created_at":"2026-05-18T02:16:00Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0803.1174","created_at":"2026-05-18T02:16:00Z"},{"alias_kind":"pith_short_12","alias_value":"6HGC65TOYY6P","created_at":"2026-05-18T12:25:56Z"},{"alias_kind":"pith_short_16","alias_value":"6HGC65TOYY6PQJCH","created_at":"2026-05-18T12:25:56Z"},{"alias_kind":"pith_short_8","alias_value":"6HGC65TO","created_at":"2026-05-18T12:25:56Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2008:6HGC65TOYY6PQJCH4JPBTWEW44","target":"record","payload":{"canonical_record":{"source":{"id":"0803.1174","kind":"arxiv","version":4},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph","submitted_at":"2008-03-07T20:54:58Z","cross_cats_sorted":[],"title_canon_sha256":"64178b84776803108afe429f7ac5b18fc91aa10fd8c9fa89df46b83b9c3f6e9f","abstract_canon_sha256":"b73b5111d597eeacb2ee75415f665b0c520ae6a6168a6f4646d7925b0a6e1252"},"schema_version":"1.0"},"canonical_sha256":"f1cc2f766ec63cf82447e25e19d896e73157ba75e2dd27e2c8175e3e98d3ba99","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:16:00.433560Z","signature_b64":"iqf6cQSst/rr+GG7ZRn23EvRZx2sg8DpDzibjw2pMkpCUFNavf37yyohC/bs2Oje0lsPmF+/RYP4mQKwcQjCDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f1cc2f766ec63cf82447e25e19d896e73157ba75e2dd27e2c8175e3e98d3ba99","last_reissued_at":"2026-05-18T02:16:00.432857Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:16:00.432857Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0803.1174","source_version":4,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T02:16:00Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"J2mN9UNqZmXqoJkdnSXQMxqH/Mx85bGlvj4y8LfHl2MtCdG/JMqq8WnUhJdwKgBfLPfihCKTyH9wafQNSyNMCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T22:51:16.515536Z"},"content_sha256":"9761eb08a48069d3d9b41d92c1562764707f610d8d4fbbeb575ac8617761960f","schema_version":"1.0","event_id":"sha256:9761eb08a48069d3d9b41d92c1562764707f610d8d4fbbeb575ac8617761960f"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2008:6HGC65TOYY6PQJCH4JPBTWEW44","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The Lyman alpha morphology of local starburst galaxies: release of calibrated images","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"(2) Geneva Observatory, (3) IAP, (4) CSIC-INTA, (5) STScI, (6) BAO), Artashes Petrosian (6), Claus Leitherer (5), Daniel Kunth (3), Goran Ostlin (1), Hakim Atek (3) ((1) Stockholm Observatory, J. Miguel Mas-Hesse (4), Matthew Hayes (2)","submitted_at":"2008-03-07T20:54:58Z","abstract_excerpt":"We present reduced and calibrated high resolution Lyman-alpha (Lya) images for a sample of 6 local star forming galaxies. Targets were selected to represent a range in luminosity and metallicity and to include both known Lya emitters and non-emitters. Far ultraviolet imaging was carried out with the Solar Blind Channel of the ACS on HST in the F122M (Lya on-line) and F140LP (continuum) filters. The resulting Lya images are the product of careful modeling of both the stellar and nebular continua, facilitated by supporting HST imaging in Ha and 5 continuum bands, combined with Starburst99 evolut"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0803.1174","kind":"arxiv","version":4},"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":"2026-05-18T02:16:00Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"cPuOLf0qNd6qlN23tEWHuX+VgIdXiiVbau5RAAEB+GXvhp25emClzovwh986pDXL9tSaboszo+k/k0vq7/FZCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T22:51:16.516180Z"},"content_sha256":"607945cdf5b07555cf708ea81cbfa91ddea0f2dc5a14ba5da3d60215c0a27511","schema_version":"1.0","event_id":"sha256:607945cdf5b07555cf708ea81cbfa91ddea0f2dc5a14ba5da3d60215c0a27511"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/6HGC65TOYY6PQJCH4JPBTWEW44/bundle.json","state_url":"https://pith.science/pith/6HGC65TOYY6PQJCH4JPBTWEW44/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/6HGC65TOYY6PQJCH4JPBTWEW44/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":"2026-05-26T22:51:16Z","links":{"resolver":"https://pith.science/pith/6HGC65TOYY6PQJCH4JPBTWEW44","bundle":"https://pith.science/pith/6HGC65TOYY6PQJCH4JPBTWEW44/bundle.json","state":"https://pith.science/pith/6HGC65TOYY6PQJCH4JPBTWEW44/state.json","well_known_bundle":"https://pith.science/.well-known/pith/6HGC65TOYY6PQJCH4JPBTWEW44/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2008:6HGC65TOYY6PQJCH4JPBTWEW44","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":"b73b5111d597eeacb2ee75415f665b0c520ae6a6168a6f4646d7925b0a6e1252","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph","submitted_at":"2008-03-07T20:54:58Z","title_canon_sha256":"64178b84776803108afe429f7ac5b18fc91aa10fd8c9fa89df46b83b9c3f6e9f"},"schema_version":"1.0","source":{"id":"0803.1174","kind":"arxiv","version":4}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0803.1174","created_at":"2026-05-18T02:16:00Z"},{"alias_kind":"arxiv_version","alias_value":"0803.1174v4","created_at":"2026-05-18T02:16:00Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0803.1174","created_at":"2026-05-18T02:16:00Z"},{"alias_kind":"pith_short_12","alias_value":"6HGC65TOYY6P","created_at":"2026-05-18T12:25:56Z"},{"alias_kind":"pith_short_16","alias_value":"6HGC65TOYY6PQJCH","created_at":"2026-05-18T12:25:56Z"},{"alias_kind":"pith_short_8","alias_value":"6HGC65TO","created_at":"2026-05-18T12:25:56Z"}],"graph_snapshots":[{"event_id":"sha256:607945cdf5b07555cf708ea81cbfa91ddea0f2dc5a14ba5da3d60215c0a27511","target":"graph","created_at":"2026-05-18T02:16:00Z","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 reduced and calibrated high resolution Lyman-alpha (Lya) images for a sample of 6 local star forming galaxies. Targets were selected to represent a range in luminosity and metallicity and to include both known Lya emitters and non-emitters. Far ultraviolet imaging was carried out with the Solar Blind Channel of the ACS on HST in the F122M (Lya on-line) and F140LP (continuum) filters. The resulting Lya images are the product of careful modeling of both the stellar and nebular continua, facilitated by supporting HST imaging in Ha and 5 continuum bands, combined with Starburst99 evolut","authors_text":"(2) Geneva Observatory, (3) IAP, (4) CSIC-INTA, (5) STScI, (6) BAO), Artashes Petrosian (6), Claus Leitherer (5), Daniel Kunth (3), Goran Ostlin (1), Hakim Atek (3) ((1) Stockholm Observatory, J. Miguel Mas-Hesse (4), Matthew Hayes (2)","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph","submitted_at":"2008-03-07T20:54:58Z","title":"The Lyman alpha morphology of local starburst galaxies: release of calibrated images"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0803.1174","kind":"arxiv","version":4},"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":"sha256:9761eb08a48069d3d9b41d92c1562764707f610d8d4fbbeb575ac8617761960f","target":"record","created_at":"2026-05-18T02:16:00Z","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":"b73b5111d597eeacb2ee75415f665b0c520ae6a6168a6f4646d7925b0a6e1252","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph","submitted_at":"2008-03-07T20:54:58Z","title_canon_sha256":"64178b84776803108afe429f7ac5b18fc91aa10fd8c9fa89df46b83b9c3f6e9f"},"schema_version":"1.0","source":{"id":"0803.1174","kind":"arxiv","version":4}},"canonical_sha256":"f1cc2f766ec63cf82447e25e19d896e73157ba75e2dd27e2c8175e3e98d3ba99","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f1cc2f766ec63cf82447e25e19d896e73157ba75e2dd27e2c8175e3e98d3ba99","first_computed_at":"2026-05-18T02:16:00.432857Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:16:00.432857Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"iqf6cQSst/rr+GG7ZRn23EvRZx2sg8DpDzibjw2pMkpCUFNavf37yyohC/bs2Oje0lsPmF+/RYP4mQKwcQjCDA==","signature_status":"signed_v1","signed_at":"2026-05-18T02:16:00.433560Z","signed_message":"canonical_sha256_bytes"},"source_id":"0803.1174","source_kind":"arxiv","source_version":4}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:9761eb08a48069d3d9b41d92c1562764707f610d8d4fbbeb575ac8617761960f","sha256:607945cdf5b07555cf708ea81cbfa91ddea0f2dc5a14ba5da3d60215c0a27511"],"state_sha256":"5a4c34dce2c973c66aecdc376470c79b2cb516d45951dcd9816ddf0108d47148"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"4SkOcJfysyezNzn9N43DwR6Nsx3UsKIMnPgaFGbCXzUqRrXBkrWti0gNUuvv47AZqP/6t97dHByuJrlXBW5LDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T22:51:16.519628Z","bundle_sha256":"4383e40f099fdb708de1449a99d04e4a7293658aee6bb1d0362d758a3e08154d"}}