{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:XWZQ3JTWNDU65LZKYBAK3YKDNI","short_pith_number":"pith:XWZQ3JTW","canonical_record":{"source":{"id":"1903.09693","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2019-03-22T20:03:59Z","cross_cats_sorted":[],"title_canon_sha256":"b630d0a02f9a963ec0af849deea33c5c0380fc57a6adac817c9dcdde208ee062","abstract_canon_sha256":"9ba18b23c479cb40127341ae0dbec47f2d9d85af5b98f4774955856d87f59d78"},"schema_version":"1.0"},"canonical_sha256":"bdb30da67668e9eeaf2ac040ade1436a2c23b0aa0cbc7f616b99b568060bc08b","source":{"kind":"arxiv","id":"1903.09693","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1903.09693","created_at":"2026-05-17T23:50:35Z"},{"alias_kind":"arxiv_version","alias_value":"1903.09693v1","created_at":"2026-05-17T23:50:35Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1903.09693","created_at":"2026-05-17T23:50:35Z"},{"alias_kind":"pith_short_12","alias_value":"XWZQ3JTWNDU6","created_at":"2026-05-18T12:33:33Z"},{"alias_kind":"pith_short_16","alias_value":"XWZQ3JTWNDU65LZK","created_at":"2026-05-18T12:33:33Z"},{"alias_kind":"pith_short_8","alias_value":"XWZQ3JTW","created_at":"2026-05-18T12:33:33Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:XWZQ3JTWNDU65LZKYBAK3YKDNI","target":"record","payload":{"canonical_record":{"source":{"id":"1903.09693","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2019-03-22T20:03:59Z","cross_cats_sorted":[],"title_canon_sha256":"b630d0a02f9a963ec0af849deea33c5c0380fc57a6adac817c9dcdde208ee062","abstract_canon_sha256":"9ba18b23c479cb40127341ae0dbec47f2d9d85af5b98f4774955856d87f59d78"},"schema_version":"1.0"},"canonical_sha256":"bdb30da67668e9eeaf2ac040ade1436a2c23b0aa0cbc7f616b99b568060bc08b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:50:35.777487Z","signature_b64":"xPR4PUMlHT1m06LyPB+tNUVXF4JM29mCOWgs5k8IOvzGYCJjpcI+q9qcYpt30FrSGr5pWe1gHDCqz1X1KdAnBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"bdb30da67668e9eeaf2ac040ade1436a2c23b0aa0cbc7f616b99b568060bc08b","last_reissued_at":"2026-05-17T23:50:35.776768Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:50:35.776768Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1903.09693","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":"2026-05-17T23:50:35Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"SJ421GOX5QEy8lTx5ajYAiHwyvZ1GHwNjrPG9CUKQUL70w3TctChlCAxn10+NjemqcqZAcYny/bZXKQ1HGC5Dw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-11T00:46:01.039464Z"},"content_sha256":"d06b32a99fa130e5ebb8e51914c7caa883ef97b5d73ea6d753fc38033807f037","schema_version":"1.0","event_id":"sha256:d06b32a99fa130e5ebb8e51914c7caa883ef97b5d73ea6d753fc38033807f037"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:XWZQ3JTWNDU65LZKYBAK3YKDNI","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Astro2020: How does dust escape from galaxies?","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Edmund Hodges-Kluck, Jiangtao Li, Joel N. Bregman, L\\'ia Corrales, Marcio Mel\\'endez, Sylvain Veilleux","submitted_at":"2019-03-22T20:03:59Z","abstract_excerpt":"Whenever gas is blown out of a galaxy, chances are that it contains some cosmic dust. This dust is an important part of the metals budget for the circumgalactic and intergalactic media, and traces the outflow and stripping history of the galaxy. The dust is also interesting in its own right, as dust plays an essential role in many astrophysical processes. We have only begun to learn about circumgalactic dust, and in particular we do not know how (and when) it escapes its host galaxy. Here we describe the prospects for measuring the dust mass and properties around many individual galaxies, whic"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1903.09693","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":"2026-05-17T23:50:35Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"KxEpIvWNfYFM1G+aGR3i73wNXORRalatpM1GGA8v/bIDwCpeKtiRX1V1N3JmsFyyrv1y7ro+WXftUjyVuRV0DQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-11T00:46:01.040121Z"},"content_sha256":"e45308efd835b9234694caf2079ab4f15964bc509a764e93d30a71582a1ba278","schema_version":"1.0","event_id":"sha256:e45308efd835b9234694caf2079ab4f15964bc509a764e93d30a71582a1ba278"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/XWZQ3JTWNDU65LZKYBAK3YKDNI/bundle.json","state_url":"https://pith.science/pith/XWZQ3JTWNDU65LZKYBAK3YKDNI/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/XWZQ3JTWNDU65LZKYBAK3YKDNI/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":"2026-06-11T00:46:01Z","links":{"resolver":"https://pith.science/pith/XWZQ3JTWNDU65LZKYBAK3YKDNI","bundle":"https://pith.science/pith/XWZQ3JTWNDU65LZKYBAK3YKDNI/bundle.json","state":"https://pith.science/pith/XWZQ3JTWNDU65LZKYBAK3YKDNI/state.json","well_known_bundle":"https://pith.science/.well-known/pith/XWZQ3JTWNDU65LZKYBAK3YKDNI/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:XWZQ3JTWNDU65LZKYBAK3YKDNI","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":"9ba18b23c479cb40127341ae0dbec47f2d9d85af5b98f4774955856d87f59d78","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2019-03-22T20:03:59Z","title_canon_sha256":"b630d0a02f9a963ec0af849deea33c5c0380fc57a6adac817c9dcdde208ee062"},"schema_version":"1.0","source":{"id":"1903.09693","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1903.09693","created_at":"2026-05-17T23:50:35Z"},{"alias_kind":"arxiv_version","alias_value":"1903.09693v1","created_at":"2026-05-17T23:50:35Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1903.09693","created_at":"2026-05-17T23:50:35Z"},{"alias_kind":"pith_short_12","alias_value":"XWZQ3JTWNDU6","created_at":"2026-05-18T12:33:33Z"},{"alias_kind":"pith_short_16","alias_value":"XWZQ3JTWNDU65LZK","created_at":"2026-05-18T12:33:33Z"},{"alias_kind":"pith_short_8","alias_value":"XWZQ3JTW","created_at":"2026-05-18T12:33:33Z"}],"graph_snapshots":[{"event_id":"sha256:e45308efd835b9234694caf2079ab4f15964bc509a764e93d30a71582a1ba278","target":"graph","created_at":"2026-05-17T23:50:35Z","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":"Whenever gas is blown out of a galaxy, chances are that it contains some cosmic dust. This dust is an important part of the metals budget for the circumgalactic and intergalactic media, and traces the outflow and stripping history of the galaxy. The dust is also interesting in its own right, as dust plays an essential role in many astrophysical processes. We have only begun to learn about circumgalactic dust, and in particular we do not know how (and when) it escapes its host galaxy. Here we describe the prospects for measuring the dust mass and properties around many individual galaxies, whic","authors_text":"Edmund Hodges-Kluck, Jiangtao Li, Joel N. Bregman, L\\'ia Corrales, Marcio Mel\\'endez, Sylvain Veilleux","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2019-03-22T20:03:59Z","title":"Astro2020: How does dust escape from galaxies?"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1903.09693","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:d06b32a99fa130e5ebb8e51914c7caa883ef97b5d73ea6d753fc38033807f037","target":"record","created_at":"2026-05-17T23:50:35Z","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":"9ba18b23c479cb40127341ae0dbec47f2d9d85af5b98f4774955856d87f59d78","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2019-03-22T20:03:59Z","title_canon_sha256":"b630d0a02f9a963ec0af849deea33c5c0380fc57a6adac817c9dcdde208ee062"},"schema_version":"1.0","source":{"id":"1903.09693","kind":"arxiv","version":1}},"canonical_sha256":"bdb30da67668e9eeaf2ac040ade1436a2c23b0aa0cbc7f616b99b568060bc08b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"bdb30da67668e9eeaf2ac040ade1436a2c23b0aa0cbc7f616b99b568060bc08b","first_computed_at":"2026-05-17T23:50:35.776768Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:50:35.776768Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"xPR4PUMlHT1m06LyPB+tNUVXF4JM29mCOWgs5k8IOvzGYCJjpcI+q9qcYpt30FrSGr5pWe1gHDCqz1X1KdAnBA==","signature_status":"signed_v1","signed_at":"2026-05-17T23:50:35.777487Z","signed_message":"canonical_sha256_bytes"},"source_id":"1903.09693","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d06b32a99fa130e5ebb8e51914c7caa883ef97b5d73ea6d753fc38033807f037","sha256:e45308efd835b9234694caf2079ab4f15964bc509a764e93d30a71582a1ba278"],"state_sha256":"e4802f96040e1d4e353bfe06a8a7a9a6c884220e6291b29b7ef2574df09741c6"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"F1vqTQBmTZIIOw05G1ZdIad1eAsJMpIBAXDRoHH/62usjyhFhG85SWUkcGMyooM6fjY/OzC77weg3QDVLL2iDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-11T00:46:01.043590Z","bundle_sha256":"7b3cbfad390c7dbd63f21673b08018372d0b1490a82e4fd93008c4d9ba5412d2"}}