{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:VV6W4FOS5SM4TWRHIUZ77JXWQM","short_pith_number":"pith:VV6W4FOS","canonical_record":{"source":{"id":"1609.08341","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2016-09-27T10:14:59Z","cross_cats_sorted":[],"title_canon_sha256":"52f59fc7b876e4ec435b5dae4d6f638c8750942efbb92a1b454b8cc897b6c26a","abstract_canon_sha256":"4aab39a87798c9a5427ca49b03f94d3af9a4606a7414d5c7c2a72e95a55eb169"},"schema_version":"1.0"},"canonical_sha256":"ad7d6e15d2ec99c9da274533ffa6f6831e0758f1b3f42105167776cb48fa65d6","source":{"kind":"arxiv","id":"1609.08341","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1609.08341","created_at":"2026-05-18T01:03:40Z"},{"alias_kind":"arxiv_version","alias_value":"1609.08341v2","created_at":"2026-05-18T01:03:40Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1609.08341","created_at":"2026-05-18T01:03:40Z"},{"alias_kind":"pith_short_12","alias_value":"VV6W4FOS5SM4","created_at":"2026-05-18T12:30:48Z"},{"alias_kind":"pith_short_16","alias_value":"VV6W4FOS5SM4TWRH","created_at":"2026-05-18T12:30:48Z"},{"alias_kind":"pith_short_8","alias_value":"VV6W4FOS","created_at":"2026-05-18T12:30:48Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:VV6W4FOS5SM4TWRHIUZ77JXWQM","target":"record","payload":{"canonical_record":{"source":{"id":"1609.08341","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2016-09-27T10:14:59Z","cross_cats_sorted":[],"title_canon_sha256":"52f59fc7b876e4ec435b5dae4d6f638c8750942efbb92a1b454b8cc897b6c26a","abstract_canon_sha256":"4aab39a87798c9a5427ca49b03f94d3af9a4606a7414d5c7c2a72e95a55eb169"},"schema_version":"1.0"},"canonical_sha256":"ad7d6e15d2ec99c9da274533ffa6f6831e0758f1b3f42105167776cb48fa65d6","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:03:40.310442Z","signature_b64":"UrPvqGOJzwhd3GTL/w9od8lwDYBNw06SbvipaKtBM+IctyywGLaKE0PS5becLH90kutG1vtDR22Uofsc1NdOCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ad7d6e15d2ec99c9da274533ffa6f6831e0758f1b3f42105167776cb48fa65d6","last_reissued_at":"2026-05-18T01:03:40.309995Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:03:40.309995Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1609.08341","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":"2026-05-18T01:03:40Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"v4L2SRdX8O678TxIMBUdEscYan19JnWO6FVUos/C8uePj5lgtDGxO7Mx5J+xsfqf6Xj6cOHX+AHvBwkJJBdlCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T14:40:16.929054Z"},"content_sha256":"aeaea532af3507d479fe0b6dc1a09d0e4788c2cfb201b7685b29989780e0cc75","schema_version":"1.0","event_id":"sha256:aeaea532af3507d479fe0b6dc1a09d0e4788c2cfb201b7685b29989780e0cc75"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:VV6W4FOS5SM4TWRHIUZ77JXWQM","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Galactic Kinematics from Data on Open Star Clusters from the MWSC Catalogue","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"A.T. Bajkova, K.S. Shirokova, V.V. Bobylev","submitted_at":"2016-09-27T10:14:59Z","abstract_excerpt":"Open star clusters from the MWSC (Milky Way Star Clusters) catalogue have been used to determine the Galactic rotation parameters. The circular rotation velocity of the solar neighborhood around the Galactic center has been found from data on more than 2000 clusters of various ages to be V_0=236+/-6 km s^{-1} for the adopted Galactocentric distance of the Sun R_0=8.3+/-0.2 kpc. The derived angular velocity parameters are \\Omega_0=28.48+/-0.36 km s^{-1} kpc^{-1}, \\Omega'_0=-3.50+/-0.08 km s^{-1} kpc^{-2}, and \\Omega\"_0= 0.331+/-0.037 km s^{-1} kpc^{-3}. The influence of the spiral density wave "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1609.08341","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":"2026-05-18T01:03:40Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"icdUiGzPl0Dk06a89Lwm1tOkf+o+KB+5veCzvQv7Kwy/q64NEd1AEz1iE1kGvst+W2TRFa6tO1eVNSXvjPMUCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T14:40:16.929401Z"},"content_sha256":"e3d9d50c31c7f9c152dff116df84c19afe5f03c8aabde1410c991793c3bea838","schema_version":"1.0","event_id":"sha256:e3d9d50c31c7f9c152dff116df84c19afe5f03c8aabde1410c991793c3bea838"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/VV6W4FOS5SM4TWRHIUZ77JXWQM/bundle.json","state_url":"https://pith.science/pith/VV6W4FOS5SM4TWRHIUZ77JXWQM/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/VV6W4FOS5SM4TWRHIUZ77JXWQM/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":"2026-06-05T14:40:16Z","links":{"resolver":"https://pith.science/pith/VV6W4FOS5SM4TWRHIUZ77JXWQM","bundle":"https://pith.science/pith/VV6W4FOS5SM4TWRHIUZ77JXWQM/bundle.json","state":"https://pith.science/pith/VV6W4FOS5SM4TWRHIUZ77JXWQM/state.json","well_known_bundle":"https://pith.science/.well-known/pith/VV6W4FOS5SM4TWRHIUZ77JXWQM/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:VV6W4FOS5SM4TWRHIUZ77JXWQM","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":"4aab39a87798c9a5427ca49b03f94d3af9a4606a7414d5c7c2a72e95a55eb169","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2016-09-27T10:14:59Z","title_canon_sha256":"52f59fc7b876e4ec435b5dae4d6f638c8750942efbb92a1b454b8cc897b6c26a"},"schema_version":"1.0","source":{"id":"1609.08341","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1609.08341","created_at":"2026-05-18T01:03:40Z"},{"alias_kind":"arxiv_version","alias_value":"1609.08341v2","created_at":"2026-05-18T01:03:40Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1609.08341","created_at":"2026-05-18T01:03:40Z"},{"alias_kind":"pith_short_12","alias_value":"VV6W4FOS5SM4","created_at":"2026-05-18T12:30:48Z"},{"alias_kind":"pith_short_16","alias_value":"VV6W4FOS5SM4TWRH","created_at":"2026-05-18T12:30:48Z"},{"alias_kind":"pith_short_8","alias_value":"VV6W4FOS","created_at":"2026-05-18T12:30:48Z"}],"graph_snapshots":[{"event_id":"sha256:e3d9d50c31c7f9c152dff116df84c19afe5f03c8aabde1410c991793c3bea838","target":"graph","created_at":"2026-05-18T01:03:40Z","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":"Open star clusters from the MWSC (Milky Way Star Clusters) catalogue have been used to determine the Galactic rotation parameters. The circular rotation velocity of the solar neighborhood around the Galactic center has been found from data on more than 2000 clusters of various ages to be V_0=236+/-6 km s^{-1} for the adopted Galactocentric distance of the Sun R_0=8.3+/-0.2 kpc. The derived angular velocity parameters are \\Omega_0=28.48+/-0.36 km s^{-1} kpc^{-1}, \\Omega'_0=-3.50+/-0.08 km s^{-1} kpc^{-2}, and \\Omega\"_0= 0.331+/-0.037 km s^{-1} kpc^{-3}. The influence of the spiral density wave ","authors_text":"A.T. Bajkova, K.S. Shirokova, V.V. Bobylev","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2016-09-27T10:14:59Z","title":"Galactic Kinematics from Data on Open Star Clusters from the MWSC Catalogue"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1609.08341","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:aeaea532af3507d479fe0b6dc1a09d0e4788c2cfb201b7685b29989780e0cc75","target":"record","created_at":"2026-05-18T01:03:40Z","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":"4aab39a87798c9a5427ca49b03f94d3af9a4606a7414d5c7c2a72e95a55eb169","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2016-09-27T10:14:59Z","title_canon_sha256":"52f59fc7b876e4ec435b5dae4d6f638c8750942efbb92a1b454b8cc897b6c26a"},"schema_version":"1.0","source":{"id":"1609.08341","kind":"arxiv","version":2}},"canonical_sha256":"ad7d6e15d2ec99c9da274533ffa6f6831e0758f1b3f42105167776cb48fa65d6","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ad7d6e15d2ec99c9da274533ffa6f6831e0758f1b3f42105167776cb48fa65d6","first_computed_at":"2026-05-18T01:03:40.309995Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:03:40.309995Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"UrPvqGOJzwhd3GTL/w9od8lwDYBNw06SbvipaKtBM+IctyywGLaKE0PS5becLH90kutG1vtDR22Uofsc1NdOCg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:03:40.310442Z","signed_message":"canonical_sha256_bytes"},"source_id":"1609.08341","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:aeaea532af3507d479fe0b6dc1a09d0e4788c2cfb201b7685b29989780e0cc75","sha256:e3d9d50c31c7f9c152dff116df84c19afe5f03c8aabde1410c991793c3bea838"],"state_sha256":"03f9dfa4d5dcfe6af33c7bfe19ad76cf50393db44e719448f41fe633f74268b4"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"yJcPURcxJbN82iJ+PECwRC45dN0HexmKCPUGJMmBiE8Jj8HVk0lWnVboKpHoM1OaKEXEjHM7S3umHczS5On8Cw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-05T14:40:16.931272Z","bundle_sha256":"5e78299209912af901e94e12ff3d47e33f009c78fe2494c59a55a4ff84a66047"}}