{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2023:KR6NXZC7J3HN3M4OXGNASZXRBZ","short_pith_number":"pith:KR6NXZC7","canonical_record":{"source":{"id":"2307.15050","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2023-07-27T17:56:35Z","cross_cats_sorted":["astro-ph.GA"],"title_canon_sha256":"20c6031d96f05e2c83e6fa715dab7f27da3487fbd607db784a25893b6fe96217","abstract_canon_sha256":"8bb999cbc5e58da4718b5997539e05eddbf7f690aa83eff02fd7f0293b5ce00d"},"schema_version":"1.0"},"canonical_sha256":"547cdbe45f4eceddb38eb99a0966f10e591149b098a11445051673ea95bc6009","source":{"kind":"arxiv","id":"2307.15050","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2307.15050","created_at":"2026-07-05T06:35:21Z"},{"alias_kind":"arxiv_version","alias_value":"2307.15050v1","created_at":"2026-07-05T06:35:21Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2307.15050","created_at":"2026-07-05T06:35:21Z"},{"alias_kind":"pith_short_12","alias_value":"KR6NXZC7J3HN","created_at":"2026-07-05T06:35:21Z"},{"alias_kind":"pith_short_16","alias_value":"KR6NXZC7J3HN3M4O","created_at":"2026-07-05T06:35:21Z"},{"alias_kind":"pith_short_8","alias_value":"KR6NXZC7","created_at":"2026-07-05T06:35:21Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2023:KR6NXZC7J3HN3M4OXGNASZXRBZ","target":"record","payload":{"canonical_record":{"source":{"id":"2307.15050","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2023-07-27T17:56:35Z","cross_cats_sorted":["astro-ph.GA"],"title_canon_sha256":"20c6031d96f05e2c83e6fa715dab7f27da3487fbd607db784a25893b6fe96217","abstract_canon_sha256":"8bb999cbc5e58da4718b5997539e05eddbf7f690aa83eff02fd7f0293b5ce00d"},"schema_version":"1.0"},"canonical_sha256":"547cdbe45f4eceddb38eb99a0966f10e591149b098a11445051673ea95bc6009","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T06:35:21.357946Z","signature_b64":"3xyS6AnIzKlhjRcLJBsPog8SSkmcCV0KvQG4VYOeP9B1i4OKLxf91dhpzD5IPn/MTw0BZfPqZ5eDVDLtu9WJAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"547cdbe45f4eceddb38eb99a0966f10e591149b098a11445051673ea95bc6009","last_reissued_at":"2026-07-05T06:35:21.357467Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T06:35:21.357467Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2307.15050","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":"2026-07-05T06:35:21Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"bHPYbhD1IO4Vbmpx43mK1KkBXkBo3nAydtGu/EVi95CFUDfFo2FKxLg00WwmX1UxjozBCWsNTLqIdyf+oWkKCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-15T07:01:50.622498Z"},"content_sha256":"6406088afc0bebe09a640c6520d93c3f7b938b73c8d4478f7ec8fa7871032607","schema_version":"1.0","event_id":"sha256:6406088afc0bebe09a640c6520d93c3f7b938b73c8d4478f7ec8fa7871032607"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2023:KR6NXZC7J3HN3M4OXGNASZXRBZ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Detection of a High-velocity Jet from MWC 349A Traced by Hydrogen Recombination Line Emission","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.GA"],"primary_cat":"astro-ph.SR","authors_text":"Alejandro B\\'aez Rubio, Antonio Martinez Henares, Izaskun Jimen\\'ez-Serra, James Moran, Jesus Mart\\'in-Pintado, Qizhou Zhang, Sirina Prasad, Yue Cao","submitted_at":"2023-07-27T17:56:35Z","abstract_excerpt":"MWC 349A is one of the rare stars known to have hydrogen radio recombination line (RRL) masers. The bright maser emission makes it possible to study the dynamics of the system at milli-arcsecond (mas) precision. We present Atacama Large Millimeter/submillimeter Array (ALMA) observations of the 1.4 mm and 0.8 mm continuum emission of MWC 349A, as well as the H30$\\alpha$ and H26$\\alpha$ RRLs. Using the most extended array configuration of C43-10 with a maximum baseline of 16.2km, we spatially resolved the H30$\\alpha$ line and 1.4mm continuum emission for the first time. In addition to the known "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2307.15050","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2307.15050/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-05T06:35:21Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"oZFxTmOU3MkXUHmqag1NSJUL25y+VlFEMQjZ9UxQ8NyjGRx2DaLGkbRBjyw31pHc+SAQoH7Lf1AoBnGEnvTdBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-15T07:01:50.623026Z"},"content_sha256":"0eb582f8a82deb3c0ae74a573677e1db9e94a78e122e0a8fa995ddf54d7fc0d6","schema_version":"1.0","event_id":"sha256:0eb582f8a82deb3c0ae74a573677e1db9e94a78e122e0a8fa995ddf54d7fc0d6"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/KR6NXZC7J3HN3M4OXGNASZXRBZ/bundle.json","state_url":"https://pith.science/pith/KR6NXZC7J3HN3M4OXGNASZXRBZ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/KR6NXZC7J3HN3M4OXGNASZXRBZ/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":"2026-08-15T07:01:50Z","links":{"resolver":"https://pith.science/pith/KR6NXZC7J3HN3M4OXGNASZXRBZ","bundle":"https://pith.science/pith/KR6NXZC7J3HN3M4OXGNASZXRBZ/bundle.json","state":"https://pith.science/pith/KR6NXZC7J3HN3M4OXGNASZXRBZ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/KR6NXZC7J3HN3M4OXGNASZXRBZ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:KR6NXZC7J3HN3M4OXGNASZXRBZ","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":"8bb999cbc5e58da4718b5997539e05eddbf7f690aa83eff02fd7f0293b5ce00d","cross_cats_sorted":["astro-ph.GA"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2023-07-27T17:56:35Z","title_canon_sha256":"20c6031d96f05e2c83e6fa715dab7f27da3487fbd607db784a25893b6fe96217"},"schema_version":"1.0","source":{"id":"2307.15050","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2307.15050","created_at":"2026-07-05T06:35:21Z"},{"alias_kind":"arxiv_version","alias_value":"2307.15050v1","created_at":"2026-07-05T06:35:21Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2307.15050","created_at":"2026-07-05T06:35:21Z"},{"alias_kind":"pith_short_12","alias_value":"KR6NXZC7J3HN","created_at":"2026-07-05T06:35:21Z"},{"alias_kind":"pith_short_16","alias_value":"KR6NXZC7J3HN3M4O","created_at":"2026-07-05T06:35:21Z"},{"alias_kind":"pith_short_8","alias_value":"KR6NXZC7","created_at":"2026-07-05T06:35:21Z"}],"graph_snapshots":[{"event_id":"sha256:0eb582f8a82deb3c0ae74a573677e1db9e94a78e122e0a8fa995ddf54d7fc0d6","target":"graph","created_at":"2026-07-05T06:35:21Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2307.15050/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"MWC 349A is one of the rare stars known to have hydrogen radio recombination line (RRL) masers. The bright maser emission makes it possible to study the dynamics of the system at milli-arcsecond (mas) precision. We present Atacama Large Millimeter/submillimeter Array (ALMA) observations of the 1.4 mm and 0.8 mm continuum emission of MWC 349A, as well as the H30$\\alpha$ and H26$\\alpha$ RRLs. Using the most extended array configuration of C43-10 with a maximum baseline of 16.2km, we spatially resolved the H30$\\alpha$ line and 1.4mm continuum emission for the first time. In addition to the known ","authors_text":"Alejandro B\\'aez Rubio, Antonio Martinez Henares, Izaskun Jimen\\'ez-Serra, James Moran, Jesus Mart\\'in-Pintado, Qizhou Zhang, Sirina Prasad, Yue Cao","cross_cats":["astro-ph.GA"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2023-07-27T17:56:35Z","title":"Detection of a High-velocity Jet from MWC 349A Traced by Hydrogen Recombination Line Emission"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2307.15050","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":"sha256:6406088afc0bebe09a640c6520d93c3f7b938b73c8d4478f7ec8fa7871032607","target":"record","created_at":"2026-07-05T06:35:21Z","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":"8bb999cbc5e58da4718b5997539e05eddbf7f690aa83eff02fd7f0293b5ce00d","cross_cats_sorted":["astro-ph.GA"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2023-07-27T17:56:35Z","title_canon_sha256":"20c6031d96f05e2c83e6fa715dab7f27da3487fbd607db784a25893b6fe96217"},"schema_version":"1.0","source":{"id":"2307.15050","kind":"arxiv","version":1}},"canonical_sha256":"547cdbe45f4eceddb38eb99a0966f10e591149b098a11445051673ea95bc6009","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"547cdbe45f4eceddb38eb99a0966f10e591149b098a11445051673ea95bc6009","first_computed_at":"2026-07-05T06:35:21.357467Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T06:35:21.357467Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"3xyS6AnIzKlhjRcLJBsPog8SSkmcCV0KvQG4VYOeP9B1i4OKLxf91dhpzD5IPn/MTw0BZfPqZ5eDVDLtu9WJAw==","signature_status":"signed_v1","signed_at":"2026-07-05T06:35:21.357946Z","signed_message":"canonical_sha256_bytes"},"source_id":"2307.15050","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6406088afc0bebe09a640c6520d93c3f7b938b73c8d4478f7ec8fa7871032607","sha256:0eb582f8a82deb3c0ae74a573677e1db9e94a78e122e0a8fa995ddf54d7fc0d6"],"state_sha256":"06797e777d69b5eeefb0ad3bd7d421aa230509e4bcd5843ce3a2d03ccb0c3cc5"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"8N/+md4GHyN4rmJUIC6hlnpnEYfHT6CfcTgmLf2vTFbHHBrOWNXphY8h+n4Ihwu4nhOjA/L/m03Nqm1ue1U3Bw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-15T07:01:50.628127Z","bundle_sha256":"e0fbdc0aa572b81c656448c0fac4e9c5d469536e937d11bf422bd43e69575e66"}}