{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:6WD3ST3LVKP5M2635GL6RPSPJK","short_pith_number":"pith:6WD3ST3L","canonical_record":{"source":{"id":"1907.00225","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2019-06-29T15:52:45Z","cross_cats_sorted":["astro-ph.HE"],"title_canon_sha256":"528ffc73ade0b4a115120bc978a6aa6639af0ddece9f5310ecf3cf8d1f4ec33f","abstract_canon_sha256":"34b729591823603edbe427bcb63121672b801b2671a167d08c040821b3ab5c98"},"schema_version":"1.0"},"canonical_sha256":"f587b94f6baa9fd66bdbe997e8be4f4a89b3ba1c8f39da1c84b9cf50953cab7c","source":{"kind":"arxiv","id":"1907.00225","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1907.00225","created_at":"2026-05-17T23:41:07Z"},{"alias_kind":"arxiv_version","alias_value":"1907.00225v1","created_at":"2026-05-17T23:41:07Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1907.00225","created_at":"2026-05-17T23:41:07Z"},{"alias_kind":"pith_short_12","alias_value":"6WD3ST3LVKP5","created_at":"2026-05-18T12:33:10Z"},{"alias_kind":"pith_short_16","alias_value":"6WD3ST3LVKP5M263","created_at":"2026-05-18T12:33:10Z"},{"alias_kind":"pith_short_8","alias_value":"6WD3ST3L","created_at":"2026-05-18T12:33:10Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:6WD3ST3LVKP5M2635GL6RPSPJK","target":"record","payload":{"canonical_record":{"source":{"id":"1907.00225","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2019-06-29T15:52:45Z","cross_cats_sorted":["astro-ph.HE"],"title_canon_sha256":"528ffc73ade0b4a115120bc978a6aa6639af0ddece9f5310ecf3cf8d1f4ec33f","abstract_canon_sha256":"34b729591823603edbe427bcb63121672b801b2671a167d08c040821b3ab5c98"},"schema_version":"1.0"},"canonical_sha256":"f587b94f6baa9fd66bdbe997e8be4f4a89b3ba1c8f39da1c84b9cf50953cab7c","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:41:07.170932Z","signature_b64":"WSscg5oE/Yxxnqw0j4IVPZ/slZPWTv1hksP2SCgQ5uWNUl2kw6aB1RJfYQxnQ1XfU0TJ7XR/AS34PNH0G8OWDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f587b94f6baa9fd66bdbe997e8be4f4a89b3ba1c8f39da1c84b9cf50953cab7c","last_reissued_at":"2026-05-17T23:41:07.170222Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:41:07.170222Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1907.00225","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":"2026-05-17T23:41:07Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"kx8yEViELrnqft5HpIvW8DeFBjsRkuHZJ9p4IfS9WF1iQF/PHaQjDxieb3jXFy1ZOprfryhsyk8VNDDZoPtKCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-27T18:36:37.105092Z"},"content_sha256":"4bc43da00a29507d1172519dbaa6cb36c3d32be67de8f65e4a166c425be28195","schema_version":"1.0","event_id":"sha256:4bc43da00a29507d1172519dbaa6cb36c3d32be67de8f65e4a166c425be28195"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:6WD3ST3LVKP5M2635GL6RPSPJK","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Enhanced X-ray emission from candidate Lyman continuum emitting galaxies","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.HE"],"primary_cat":"astro-ph.GA","authors_text":"Andrea Prestwich, Jesse Bluem, Matthew Brorby, Philip Kaaret","submitted_at":"2019-06-29T15:52:45Z","abstract_excerpt":"X-ray binaries may have helped reionize the early Universe by enabling Lyman continuum escape. We analyzed a set of 8 local galaxies that are potential Lyman leaking galaxies, identified by a blue color and weak emission lines, using Chandra X-ray observations. Five of the galaxies feature X-ray sources, while three galaxies are not significantly detected in X-rays. X-ray luminosities were found for the galaxies and X-ray sources. Four of the galaxies have elevated X-ray luminosity versus what would be expected based on star formation rate and metallicity. The presence of detected X-ray source"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1907.00225","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":"2026-05-17T23:41:07Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"T+jXbEhJimN4BXgRg0EI/9ZAG9SHIGxOXBTYh7ioB+YKcOT4It3F8r2rEMeroZfvRDLmXzYLLl9VsoAGcaZmDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-27T18:36:37.105672Z"},"content_sha256":"41b69c7dd24b4ee85a6cb261d6c563f99ed999ed0112027b9ef81378d84e91d8","schema_version":"1.0","event_id":"sha256:41b69c7dd24b4ee85a6cb261d6c563f99ed999ed0112027b9ef81378d84e91d8"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/6WD3ST3LVKP5M2635GL6RPSPJK/bundle.json","state_url":"https://pith.science/pith/6WD3ST3LVKP5M2635GL6RPSPJK/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/6WD3ST3LVKP5M2635GL6RPSPJK/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":"2026-06-27T18:36:37Z","links":{"resolver":"https://pith.science/pith/6WD3ST3LVKP5M2635GL6RPSPJK","bundle":"https://pith.science/pith/6WD3ST3LVKP5M2635GL6RPSPJK/bundle.json","state":"https://pith.science/pith/6WD3ST3LVKP5M2635GL6RPSPJK/state.json","well_known_bundle":"https://pith.science/.well-known/pith/6WD3ST3LVKP5M2635GL6RPSPJK/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:6WD3ST3LVKP5M2635GL6RPSPJK","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":"34b729591823603edbe427bcb63121672b801b2671a167d08c040821b3ab5c98","cross_cats_sorted":["astro-ph.HE"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2019-06-29T15:52:45Z","title_canon_sha256":"528ffc73ade0b4a115120bc978a6aa6639af0ddece9f5310ecf3cf8d1f4ec33f"},"schema_version":"1.0","source":{"id":"1907.00225","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1907.00225","created_at":"2026-05-17T23:41:07Z"},{"alias_kind":"arxiv_version","alias_value":"1907.00225v1","created_at":"2026-05-17T23:41:07Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1907.00225","created_at":"2026-05-17T23:41:07Z"},{"alias_kind":"pith_short_12","alias_value":"6WD3ST3LVKP5","created_at":"2026-05-18T12:33:10Z"},{"alias_kind":"pith_short_16","alias_value":"6WD3ST3LVKP5M263","created_at":"2026-05-18T12:33:10Z"},{"alias_kind":"pith_short_8","alias_value":"6WD3ST3L","created_at":"2026-05-18T12:33:10Z"}],"graph_snapshots":[{"event_id":"sha256:41b69c7dd24b4ee85a6cb261d6c563f99ed999ed0112027b9ef81378d84e91d8","target":"graph","created_at":"2026-05-17T23:41:07Z","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":"X-ray binaries may have helped reionize the early Universe by enabling Lyman continuum escape. We analyzed a set of 8 local galaxies that are potential Lyman leaking galaxies, identified by a blue color and weak emission lines, using Chandra X-ray observations. Five of the galaxies feature X-ray sources, while three galaxies are not significantly detected in X-rays. X-ray luminosities were found for the galaxies and X-ray sources. Four of the galaxies have elevated X-ray luminosity versus what would be expected based on star formation rate and metallicity. The presence of detected X-ray source","authors_text":"Andrea Prestwich, Jesse Bluem, Matthew Brorby, Philip Kaaret","cross_cats":["astro-ph.HE"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2019-06-29T15:52:45Z","title":"Enhanced X-ray emission from candidate Lyman continuum emitting galaxies"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1907.00225","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":"sha256:4bc43da00a29507d1172519dbaa6cb36c3d32be67de8f65e4a166c425be28195","target":"record","created_at":"2026-05-17T23:41:07Z","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":"34b729591823603edbe427bcb63121672b801b2671a167d08c040821b3ab5c98","cross_cats_sorted":["astro-ph.HE"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2019-06-29T15:52:45Z","title_canon_sha256":"528ffc73ade0b4a115120bc978a6aa6639af0ddece9f5310ecf3cf8d1f4ec33f"},"schema_version":"1.0","source":{"id":"1907.00225","kind":"arxiv","version":1}},"canonical_sha256":"f587b94f6baa9fd66bdbe997e8be4f4a89b3ba1c8f39da1c84b9cf50953cab7c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f587b94f6baa9fd66bdbe997e8be4f4a89b3ba1c8f39da1c84b9cf50953cab7c","first_computed_at":"2026-05-17T23:41:07.170222Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:41:07.170222Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"WSscg5oE/Yxxnqw0j4IVPZ/slZPWTv1hksP2SCgQ5uWNUl2kw6aB1RJfYQxnQ1XfU0TJ7XR/AS34PNH0G8OWDw==","signature_status":"signed_v1","signed_at":"2026-05-17T23:41:07.170932Z","signed_message":"canonical_sha256_bytes"},"source_id":"1907.00225","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:4bc43da00a29507d1172519dbaa6cb36c3d32be67de8f65e4a166c425be28195","sha256:41b69c7dd24b4ee85a6cb261d6c563f99ed999ed0112027b9ef81378d84e91d8"],"state_sha256":"52f55852273a9613b3f0d78fc358431f23d12030a492638afc21fce8fb48a988"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"KMcZvNHNZX6n2I8GZFHGBZhqfUkirbILuPqEPUMTq28Cp3OyrC70cYD/YpgO56maEFIZufdSvknwohKK7txnCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-27T18:36:37.108193Z","bundle_sha256":"5c6e5f5221e6d36ba93231beea94628ce5534f91dfedd5eced8bebff8fb9d988"}}