{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:OATT6X3QB4WMJAOAPEQ6IZ4ODP","short_pith_number":"pith:OATT6X3Q","canonical_record":{"source":{"id":"1102.2056","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2011-02-10T08:43:19Z","cross_cats_sorted":["astro-ph.GA"],"title_canon_sha256":"49c392d16d1f22f1683f88bd32307333525e5230bb85f2666cfafc9d5a509a89","abstract_canon_sha256":"1e702cd1e5d31b3ddeb747de88b747a3be938f176260f00669ba6e32cf7fef41"},"schema_version":"1.0"},"canonical_sha256":"70273f5f700f2cc481c07921e4678e1be43f0e5ebdbc791c93701b86717daa01","source":{"kind":"arxiv","id":"1102.2056","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1102.2056","created_at":"2026-05-18T02:03:12Z"},{"alias_kind":"arxiv_version","alias_value":"1102.2056v2","created_at":"2026-05-18T02:03:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1102.2056","created_at":"2026-05-18T02:03:12Z"},{"alias_kind":"pith_short_12","alias_value":"OATT6X3QB4WM","created_at":"2026-05-18T12:26:37Z"},{"alias_kind":"pith_short_16","alias_value":"OATT6X3QB4WMJAOA","created_at":"2026-05-18T12:26:37Z"},{"alias_kind":"pith_short_8","alias_value":"OATT6X3Q","created_at":"2026-05-18T12:26:37Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:OATT6X3QB4WMJAOAPEQ6IZ4ODP","target":"record","payload":{"canonical_record":{"source":{"id":"1102.2056","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2011-02-10T08:43:19Z","cross_cats_sorted":["astro-ph.GA"],"title_canon_sha256":"49c392d16d1f22f1683f88bd32307333525e5230bb85f2666cfafc9d5a509a89","abstract_canon_sha256":"1e702cd1e5d31b3ddeb747de88b747a3be938f176260f00669ba6e32cf7fef41"},"schema_version":"1.0"},"canonical_sha256":"70273f5f700f2cc481c07921e4678e1be43f0e5ebdbc791c93701b86717daa01","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:03:12.781090Z","signature_b64":"D+YWuyVpW6K36dYXvGkPIQw387n0M0Fh/7gr5IMbpxqLkZoEK8rVjwD651REUbxi4Fc6dMFz3Zx+7w5cHwvGDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"70273f5f700f2cc481c07921e4678e1be43f0e5ebdbc791c93701b86717daa01","last_reissued_at":"2026-05-18T02:03:12.780334Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:03:12.780334Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1102.2056","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T02:03:12Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"XMF3N3jICQdR70FoT+lwQXMBYipYSkIMK0ALYBrMyR9daaIm9Pt7I3wnrSLoHAMuIjmIlwbuNVBdFPECfSmWBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T08:22:11.030534Z"},"content_sha256":"6fe582cbc9ee8bdc5fbbee8519126a0f59be575b9c369094efe69a413ee16041","schema_version":"1.0","event_id":"sha256:6fe582cbc9ee8bdc5fbbee8519126a0f59be575b9c369094efe69a413ee16041"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:OATT6X3QB4WMJAOAPEQ6IZ4ODP","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Annual Parallax Measurements of an Infrared Dark Cloud MSXDC G034.43+00.24 with VERA","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.GA"],"primary_cat":"astro-ph.SR","authors_text":"Akiharu Nakagawa, Hiroshi Imai, Katsuhisa Sato, Kazuyoshi Sunada, Mareki Honma, Satoko Sawada-Satoh, Tomoharu Kurayama, Tomoya Hirota","submitted_at":"2011-02-10T08:43:19Z","abstract_excerpt":"We have measured the annual parallax of the H2O maser source associated with an infrared dark cloud MSXDC G034.43+00.24 from the observations with VERA (VLBI Exploration of Radio Astrometry). The parallax is 0.643 +/- 0.049 mas, corresponding to the distance of 1.56 +0.12/-0.11 kpc. This value is less than the half of the previous kinematic distance of 3.7 kpc. We revise the core mass estimates of MSXDC G034.43+00.24, based on virial masses, LTE masses and dust masses and show that the core masses decrease from the previous estimations of ~1000 Mo to hundreds of Mo. The spectral type derived f"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1102.2056","kind":"arxiv","version":2},"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":"2026-05-18T02:03:12Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"MXv7IUIHBDitvVPHA56LIPIZtgyh+6xT1u3LgwohEzxIoV7xiHlSXtlcHGjkxDM/TIp7Bb7vAxHDDHOiZUhfBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T08:22:11.030912Z"},"content_sha256":"c5fd3e32fe62fcfdb482a16a7c40f4d6a6b80a2144a0172155d7f5f291a78214","schema_version":"1.0","event_id":"sha256:c5fd3e32fe62fcfdb482a16a7c40f4d6a6b80a2144a0172155d7f5f291a78214"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/OATT6X3QB4WMJAOAPEQ6IZ4ODP/bundle.json","state_url":"https://pith.science/pith/OATT6X3QB4WMJAOAPEQ6IZ4ODP/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/OATT6X3QB4WMJAOAPEQ6IZ4ODP/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":"2026-05-26T08:22:11Z","links":{"resolver":"https://pith.science/pith/OATT6X3QB4WMJAOAPEQ6IZ4ODP","bundle":"https://pith.science/pith/OATT6X3QB4WMJAOAPEQ6IZ4ODP/bundle.json","state":"https://pith.science/pith/OATT6X3QB4WMJAOAPEQ6IZ4ODP/state.json","well_known_bundle":"https://pith.science/.well-known/pith/OATT6X3QB4WMJAOAPEQ6IZ4ODP/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:OATT6X3QB4WMJAOAPEQ6IZ4ODP","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":"1e702cd1e5d31b3ddeb747de88b747a3be938f176260f00669ba6e32cf7fef41","cross_cats_sorted":["astro-ph.GA"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2011-02-10T08:43:19Z","title_canon_sha256":"49c392d16d1f22f1683f88bd32307333525e5230bb85f2666cfafc9d5a509a89"},"schema_version":"1.0","source":{"id":"1102.2056","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1102.2056","created_at":"2026-05-18T02:03:12Z"},{"alias_kind":"arxiv_version","alias_value":"1102.2056v2","created_at":"2026-05-18T02:03:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1102.2056","created_at":"2026-05-18T02:03:12Z"},{"alias_kind":"pith_short_12","alias_value":"OATT6X3QB4WM","created_at":"2026-05-18T12:26:37Z"},{"alias_kind":"pith_short_16","alias_value":"OATT6X3QB4WMJAOA","created_at":"2026-05-18T12:26:37Z"},{"alias_kind":"pith_short_8","alias_value":"OATT6X3Q","created_at":"2026-05-18T12:26:37Z"}],"graph_snapshots":[{"event_id":"sha256:c5fd3e32fe62fcfdb482a16a7c40f4d6a6b80a2144a0172155d7f5f291a78214","target":"graph","created_at":"2026-05-18T02:03:12Z","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 have measured the annual parallax of the H2O maser source associated with an infrared dark cloud MSXDC G034.43+00.24 from the observations with VERA (VLBI Exploration of Radio Astrometry). The parallax is 0.643 +/- 0.049 mas, corresponding to the distance of 1.56 +0.12/-0.11 kpc. This value is less than the half of the previous kinematic distance of 3.7 kpc. We revise the core mass estimates of MSXDC G034.43+00.24, based on virial masses, LTE masses and dust masses and show that the core masses decrease from the previous estimations of ~1000 Mo to hundreds of Mo. The spectral type derived f","authors_text":"Akiharu Nakagawa, Hiroshi Imai, Katsuhisa Sato, Kazuyoshi Sunada, Mareki Honma, Satoko Sawada-Satoh, Tomoharu Kurayama, Tomoya Hirota","cross_cats":["astro-ph.GA"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2011-02-10T08:43:19Z","title":"Annual Parallax Measurements of an Infrared Dark Cloud MSXDC G034.43+00.24 with VERA"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1102.2056","kind":"arxiv","version":2},"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":"sha256:6fe582cbc9ee8bdc5fbbee8519126a0f59be575b9c369094efe69a413ee16041","target":"record","created_at":"2026-05-18T02:03:12Z","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":"1e702cd1e5d31b3ddeb747de88b747a3be938f176260f00669ba6e32cf7fef41","cross_cats_sorted":["astro-ph.GA"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2011-02-10T08:43:19Z","title_canon_sha256":"49c392d16d1f22f1683f88bd32307333525e5230bb85f2666cfafc9d5a509a89"},"schema_version":"1.0","source":{"id":"1102.2056","kind":"arxiv","version":2}},"canonical_sha256":"70273f5f700f2cc481c07921e4678e1be43f0e5ebdbc791c93701b86717daa01","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"70273f5f700f2cc481c07921e4678e1be43f0e5ebdbc791c93701b86717daa01","first_computed_at":"2026-05-18T02:03:12.780334Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:03:12.780334Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"D+YWuyVpW6K36dYXvGkPIQw387n0M0Fh/7gr5IMbpxqLkZoEK8rVjwD651REUbxi4Fc6dMFz3Zx+7w5cHwvGDg==","signature_status":"signed_v1","signed_at":"2026-05-18T02:03:12.781090Z","signed_message":"canonical_sha256_bytes"},"source_id":"1102.2056","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6fe582cbc9ee8bdc5fbbee8519126a0f59be575b9c369094efe69a413ee16041","sha256:c5fd3e32fe62fcfdb482a16a7c40f4d6a6b80a2144a0172155d7f5f291a78214"],"state_sha256":"628c0e18a4595a41fb4c26cec376a8e57f9fbf539a1a8eee1aeac9c8d4cf0f23"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"0gj9tX2Lyeu455CJ40a2eVOc6sG0bR1PdmI+ulUDASbN1Ig0XkMMiKUMr315qmGTM+4OzklW4cuwcCBUqMF7DA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T08:22:11.034375Z","bundle_sha256":"f21a97538fbfb15b12fc0047acb1a44391699decf1c935a402127d435bbb8d62"}}