{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:I5IBEFUFEO4BLYQ42RDQEUAE2X","short_pith_number":"pith:I5IBEFUF","canonical_record":{"source":{"id":"1109.2387","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2011-09-12T07:29:34Z","cross_cats_sorted":[],"title_canon_sha256":"3388a2e4a5041c279a9c455adb98a78a51317478770afaa14b4f0540ce68ee3e","abstract_canon_sha256":"1758ebb9f7f764bcfcd156f14e7db31abd46618174dfec39bae19d08b1a2bebd"},"schema_version":"1.0"},"canonical_sha256":"475012168523b815e21cd447025004d5fec945e4dfa17878e937a01fa3258bec","source":{"kind":"arxiv","id":"1109.2387","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1109.2387","created_at":"2026-05-18T02:00:34Z"},{"alias_kind":"arxiv_version","alias_value":"1109.2387v1","created_at":"2026-05-18T02:00:34Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1109.2387","created_at":"2026-05-18T02:00:34Z"},{"alias_kind":"pith_short_12","alias_value":"I5IBEFUFEO4B","created_at":"2026-05-18T12:26:30Z"},{"alias_kind":"pith_short_16","alias_value":"I5IBEFUFEO4BLYQ4","created_at":"2026-05-18T12:26:30Z"},{"alias_kind":"pith_short_8","alias_value":"I5IBEFUF","created_at":"2026-05-18T12:26:30Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:I5IBEFUFEO4BLYQ42RDQEUAE2X","target":"record","payload":{"canonical_record":{"source":{"id":"1109.2387","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2011-09-12T07:29:34Z","cross_cats_sorted":[],"title_canon_sha256":"3388a2e4a5041c279a9c455adb98a78a51317478770afaa14b4f0540ce68ee3e","abstract_canon_sha256":"1758ebb9f7f764bcfcd156f14e7db31abd46618174dfec39bae19d08b1a2bebd"},"schema_version":"1.0"},"canonical_sha256":"475012168523b815e21cd447025004d5fec945e4dfa17878e937a01fa3258bec","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:00:34.625167Z","signature_b64":"pYRc3U93kYE3Epr5LgYUqrjY/2tLiRTKVP7KlSr8fh9lY2B6jDahp/TCbV8uvphtZI+hMQUBsClEhgbwNNqmDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"475012168523b815e21cd447025004d5fec945e4dfa17878e937a01fa3258bec","last_reissued_at":"2026-05-18T02:00:34.624552Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:00:34.624552Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1109.2387","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":"2026-05-18T02:00:34Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"e5PEaUUTFZAN8pVHfggtR6GEyPxpRcNxhvctUymEGGg1SWYbVUSZ2/ET7YGyORXCRxu/NaJUlQGmauGEA+RGAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T16:26:54.290076Z"},"content_sha256":"4cd90750649c89e0191167b754684eb8d3488e93e24b1dd5ff8910259a5ebdbe","schema_version":"1.0","event_id":"sha256:4cd90750649c89e0191167b754684eb8d3488e93e24b1dd5ff8910259a5ebdbe"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:I5IBEFUFEO4BLYQ42RDQEUAE2X","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"H2O maser motions and the distance of the star forming region G192.16-3.84","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Daniel Tafoya, Hiroshi Imai, Makoto Matsui, Mareki Honma, Satoshi Shiozaki, Tomoya Hirota, Toshihiro Omodaka, Yuji Ueno","submitted_at":"2011-09-12T07:29:34Z","abstract_excerpt":"We present the results of astrometic observations of H2O masers associated with the star forming region G192.16-3.84 with the VLBI Exploration of Radio Astrometry (VERA). The H2O masers seem to be associated with two young stellar objects (YSOs) separated by \\sim1200 AU as reported in previous observations. In the present observations, we successfully detected an annual parallax of 0.66 \\pm 0.04 mas for the H2 O masers, which corresponds to a distance to G192.16-3.84 of D = 1.52 \\pm 0.08 kpc from the Sun. The determined distance is shorter than the estimated kinematic distance. Using the annua"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1109.2387","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":"2026-05-18T02:00:34Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"M0BeswxpxBtJWf2OEQU0sh1Z7t49VlcJSUQKdcGi/JKTqDZH33oTYV3elrIurRLbAwr6fjxF7Pl5OTpEHkRVBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T16:26:54.290464Z"},"content_sha256":"f8968b9186dd92d9e4b9380a848b79759061d6e6c5a5416c3cdc0dce508f1071","schema_version":"1.0","event_id":"sha256:f8968b9186dd92d9e4b9380a848b79759061d6e6c5a5416c3cdc0dce508f1071"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/I5IBEFUFEO4BLYQ42RDQEUAE2X/bundle.json","state_url":"https://pith.science/pith/I5IBEFUFEO4BLYQ42RDQEUAE2X/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/I5IBEFUFEO4BLYQ42RDQEUAE2X/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":"2026-05-27T16:26:54Z","links":{"resolver":"https://pith.science/pith/I5IBEFUFEO4BLYQ42RDQEUAE2X","bundle":"https://pith.science/pith/I5IBEFUFEO4BLYQ42RDQEUAE2X/bundle.json","state":"https://pith.science/pith/I5IBEFUFEO4BLYQ42RDQEUAE2X/state.json","well_known_bundle":"https://pith.science/.well-known/pith/I5IBEFUFEO4BLYQ42RDQEUAE2X/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:I5IBEFUFEO4BLYQ42RDQEUAE2X","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":"1758ebb9f7f764bcfcd156f14e7db31abd46618174dfec39bae19d08b1a2bebd","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2011-09-12T07:29:34Z","title_canon_sha256":"3388a2e4a5041c279a9c455adb98a78a51317478770afaa14b4f0540ce68ee3e"},"schema_version":"1.0","source":{"id":"1109.2387","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1109.2387","created_at":"2026-05-18T02:00:34Z"},{"alias_kind":"arxiv_version","alias_value":"1109.2387v1","created_at":"2026-05-18T02:00:34Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1109.2387","created_at":"2026-05-18T02:00:34Z"},{"alias_kind":"pith_short_12","alias_value":"I5IBEFUFEO4B","created_at":"2026-05-18T12:26:30Z"},{"alias_kind":"pith_short_16","alias_value":"I5IBEFUFEO4BLYQ4","created_at":"2026-05-18T12:26:30Z"},{"alias_kind":"pith_short_8","alias_value":"I5IBEFUF","created_at":"2026-05-18T12:26:30Z"}],"graph_snapshots":[{"event_id":"sha256:f8968b9186dd92d9e4b9380a848b79759061d6e6c5a5416c3cdc0dce508f1071","target":"graph","created_at":"2026-05-18T02:00:34Z","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 the results of astrometic observations of H2O masers associated with the star forming region G192.16-3.84 with the VLBI Exploration of Radio Astrometry (VERA). The H2O masers seem to be associated with two young stellar objects (YSOs) separated by \\sim1200 AU as reported in previous observations. In the present observations, we successfully detected an annual parallax of 0.66 \\pm 0.04 mas for the H2 O masers, which corresponds to a distance to G192.16-3.84 of D = 1.52 \\pm 0.08 kpc from the Sun. The determined distance is shorter than the estimated kinematic distance. Using the annua","authors_text":"Daniel Tafoya, Hiroshi Imai, Makoto Matsui, Mareki Honma, Satoshi Shiozaki, Tomoya Hirota, Toshihiro Omodaka, Yuji Ueno","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2011-09-12T07:29:34Z","title":"H2O maser motions and the distance of the star forming region G192.16-3.84"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1109.2387","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":"sha256:4cd90750649c89e0191167b754684eb8d3488e93e24b1dd5ff8910259a5ebdbe","target":"record","created_at":"2026-05-18T02:00:34Z","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":"1758ebb9f7f764bcfcd156f14e7db31abd46618174dfec39bae19d08b1a2bebd","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2011-09-12T07:29:34Z","title_canon_sha256":"3388a2e4a5041c279a9c455adb98a78a51317478770afaa14b4f0540ce68ee3e"},"schema_version":"1.0","source":{"id":"1109.2387","kind":"arxiv","version":1}},"canonical_sha256":"475012168523b815e21cd447025004d5fec945e4dfa17878e937a01fa3258bec","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"475012168523b815e21cd447025004d5fec945e4dfa17878e937a01fa3258bec","first_computed_at":"2026-05-18T02:00:34.624552Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:00:34.624552Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"pYRc3U93kYE3Epr5LgYUqrjY/2tLiRTKVP7KlSr8fh9lY2B6jDahp/TCbV8uvphtZI+hMQUBsClEhgbwNNqmDg==","signature_status":"signed_v1","signed_at":"2026-05-18T02:00:34.625167Z","signed_message":"canonical_sha256_bytes"},"source_id":"1109.2387","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:4cd90750649c89e0191167b754684eb8d3488e93e24b1dd5ff8910259a5ebdbe","sha256:f8968b9186dd92d9e4b9380a848b79759061d6e6c5a5416c3cdc0dce508f1071"],"state_sha256":"ec2176ceba1c41ef807bde69a9fc4473e609d50793f52e78403aac8054531c04"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"oXcBOxzzN4O8VkDgs+RqINYOck8Ijpt9oFYBzjBS09ggvd9dVBeFEZkI6AhXfOHo6EO1DX34cisD3m4cdOPGAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T16:26:54.293558Z","bundle_sha256":"b6098a4074a697dbc41b2fb230c06624219f319aed15a05304848b3102c163a5"}}