{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:AC32TZKMP4FSIYCRLFUJSS2RNP","short_pith_number":"pith:AC32TZKM","canonical_record":{"source":{"id":"1111.6920","kind":"arxiv","version":4},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2011-11-29T18:05:47Z","cross_cats_sorted":[],"title_canon_sha256":"558387ef8c54ad900a750ca7cee134f07c480f5db18568b7498ac952b1ada22c","abstract_canon_sha256":"e81bdbf8e8789f75a1e7d9b097e70f2892dfba797fda1781995c49614fc5bb4e"},"schema_version":"1.0"},"canonical_sha256":"00b7a9e54c7f0b2460515968994b516bd88aa700bcfa8f8401965eb788f3fda4","source":{"kind":"arxiv","id":"1111.6920","version":4},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1111.6920","created_at":"2026-05-18T04:02:54Z"},{"alias_kind":"arxiv_version","alias_value":"1111.6920v4","created_at":"2026-05-18T04:02:54Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1111.6920","created_at":"2026-05-18T04:02:54Z"},{"alias_kind":"pith_short_12","alias_value":"AC32TZKMP4FS","created_at":"2026-05-18T12:26:24Z"},{"alias_kind":"pith_short_16","alias_value":"AC32TZKMP4FSIYCR","created_at":"2026-05-18T12:26:24Z"},{"alias_kind":"pith_short_8","alias_value":"AC32TZKM","created_at":"2026-05-18T12:26:24Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:AC32TZKMP4FSIYCRLFUJSS2RNP","target":"record","payload":{"canonical_record":{"source":{"id":"1111.6920","kind":"arxiv","version":4},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2011-11-29T18:05:47Z","cross_cats_sorted":[],"title_canon_sha256":"558387ef8c54ad900a750ca7cee134f07c480f5db18568b7498ac952b1ada22c","abstract_canon_sha256":"e81bdbf8e8789f75a1e7d9b097e70f2892dfba797fda1781995c49614fc5bb4e"},"schema_version":"1.0"},"canonical_sha256":"00b7a9e54c7f0b2460515968994b516bd88aa700bcfa8f8401965eb788f3fda4","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:02:54.136763Z","signature_b64":"iNTCnqGsEJnX6y3l7lbNXxxle/HvDh+LPcgrXkdyBg7pl6J8EfS73yxKqffC1PScvqTDT5eF0wn2bW1PkicIAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"00b7a9e54c7f0b2460515968994b516bd88aa700bcfa8f8401965eb788f3fda4","last_reissued_at":"2026-05-18T04:02:54.135923Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:02:54.135923Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1111.6920","source_version":4,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T04:02:54Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"UA+zz1OowxandxPu3XEeKbacZjpxlQUEkGe4/L+SJFfhXz5JC8gWHLcQVCN51H4OZv6UvN9Gvrls9qzMxpvMBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-24T14:30:39.112060Z"},"content_sha256":"a3e8cdca41f0a0510dd29213d5a781f5c841abc74c7814c23b42edd2067d5bb9","schema_version":"1.0","event_id":"sha256:a3e8cdca41f0a0510dd29213d5a781f5c841abc74c7814c23b42edd2067d5bb9"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:AC32TZKMP4FSIYCRLFUJSS2RNP","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Slicing and dicing the Milky Way disk in SDSS","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Beijing), Cambridge), Martin C. Smith (KIAA, N. W. Evans (IoA, S. Hannah Whiteoak (IoA","submitted_at":"2011-11-29T18:05:47Z","abstract_excerpt":"We use the Stripe 82 proper motion catalogue of Bramich et al. (2008) to study the kinematics of Galactic disk stars in the solar neighborhood. We select samples of dwarf stars with reliable spectra and proper motions. They have cylindrical polar radius between 7 < R < 9 kpc, heights from the Galactic plane satisfying z < 2 kpc and span a range of metallicities -1.5 < [Fe/H] < 0. We develop a method for calculating and correcting for the halo contamination in our sample using the distribution of rotational velocities. Two Gaussians representing disk and halo populations are used to fit the rad"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1111.6920","kind":"arxiv","version":4},"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":"2026-05-18T04:02:54Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/7NuhVDVcEppmnjWcQ2nBTlxczTLBDBPSjqN6rd6goOTte60B41hg21yP0qOghMOsudP9oL5ELO6uPDRymqnDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-24T14:30:39.112476Z"},"content_sha256":"a3957969fa492f33d500e3b219d82e105d32cae3f380d5b8136e897a8063f52e","schema_version":"1.0","event_id":"sha256:a3957969fa492f33d500e3b219d82e105d32cae3f380d5b8136e897a8063f52e"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/AC32TZKMP4FSIYCRLFUJSS2RNP/bundle.json","state_url":"https://pith.science/pith/AC32TZKMP4FSIYCRLFUJSS2RNP/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/AC32TZKMP4FSIYCRLFUJSS2RNP/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":"2026-05-24T14:30:39Z","links":{"resolver":"https://pith.science/pith/AC32TZKMP4FSIYCRLFUJSS2RNP","bundle":"https://pith.science/pith/AC32TZKMP4FSIYCRLFUJSS2RNP/bundle.json","state":"https://pith.science/pith/AC32TZKMP4FSIYCRLFUJSS2RNP/state.json","well_known_bundle":"https://pith.science/.well-known/pith/AC32TZKMP4FSIYCRLFUJSS2RNP/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:AC32TZKMP4FSIYCRLFUJSS2RNP","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":"e81bdbf8e8789f75a1e7d9b097e70f2892dfba797fda1781995c49614fc5bb4e","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2011-11-29T18:05:47Z","title_canon_sha256":"558387ef8c54ad900a750ca7cee134f07c480f5db18568b7498ac952b1ada22c"},"schema_version":"1.0","source":{"id":"1111.6920","kind":"arxiv","version":4}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1111.6920","created_at":"2026-05-18T04:02:54Z"},{"alias_kind":"arxiv_version","alias_value":"1111.6920v4","created_at":"2026-05-18T04:02:54Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1111.6920","created_at":"2026-05-18T04:02:54Z"},{"alias_kind":"pith_short_12","alias_value":"AC32TZKMP4FS","created_at":"2026-05-18T12:26:24Z"},{"alias_kind":"pith_short_16","alias_value":"AC32TZKMP4FSIYCR","created_at":"2026-05-18T12:26:24Z"},{"alias_kind":"pith_short_8","alias_value":"AC32TZKM","created_at":"2026-05-18T12:26:24Z"}],"graph_snapshots":[{"event_id":"sha256:a3957969fa492f33d500e3b219d82e105d32cae3f380d5b8136e897a8063f52e","target":"graph","created_at":"2026-05-18T04:02:54Z","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 use the Stripe 82 proper motion catalogue of Bramich et al. (2008) to study the kinematics of Galactic disk stars in the solar neighborhood. We select samples of dwarf stars with reliable spectra and proper motions. They have cylindrical polar radius between 7 < R < 9 kpc, heights from the Galactic plane satisfying z < 2 kpc and span a range of metallicities -1.5 < [Fe/H] < 0. We develop a method for calculating and correcting for the halo contamination in our sample using the distribution of rotational velocities. Two Gaussians representing disk and halo populations are used to fit the rad","authors_text":"Beijing), Cambridge), Martin C. Smith (KIAA, N. W. Evans (IoA, S. Hannah Whiteoak (IoA","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2011-11-29T18:05:47Z","title":"Slicing and dicing the Milky Way disk in SDSS"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1111.6920","kind":"arxiv","version":4},"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:a3e8cdca41f0a0510dd29213d5a781f5c841abc74c7814c23b42edd2067d5bb9","target":"record","created_at":"2026-05-18T04:02:54Z","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":"e81bdbf8e8789f75a1e7d9b097e70f2892dfba797fda1781995c49614fc5bb4e","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2011-11-29T18:05:47Z","title_canon_sha256":"558387ef8c54ad900a750ca7cee134f07c480f5db18568b7498ac952b1ada22c"},"schema_version":"1.0","source":{"id":"1111.6920","kind":"arxiv","version":4}},"canonical_sha256":"00b7a9e54c7f0b2460515968994b516bd88aa700bcfa8f8401965eb788f3fda4","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"00b7a9e54c7f0b2460515968994b516bd88aa700bcfa8f8401965eb788f3fda4","first_computed_at":"2026-05-18T04:02:54.135923Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:02:54.135923Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"iNTCnqGsEJnX6y3l7lbNXxxle/HvDh+LPcgrXkdyBg7pl6J8EfS73yxKqffC1PScvqTDT5eF0wn2bW1PkicIAw==","signature_status":"signed_v1","signed_at":"2026-05-18T04:02:54.136763Z","signed_message":"canonical_sha256_bytes"},"source_id":"1111.6920","source_kind":"arxiv","source_version":4}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a3e8cdca41f0a0510dd29213d5a781f5c841abc74c7814c23b42edd2067d5bb9","sha256:a3957969fa492f33d500e3b219d82e105d32cae3f380d5b8136e897a8063f52e"],"state_sha256":"a0abdb3f10fe6199cd9ef5e5b151446c8c0eec24b0e4113ce969b17b4fc5a732"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"xyf/nNvIg6PviMrEdBllD8Nbrs4ns2viD9YHcqNPOeAvjx4yWTmmlrMRkKvyuTCwQ6dO7rNUjAELxBITe+KNCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-24T14:30:39.116176Z","bundle_sha256":"2e40369c1158be57ffbb4b5587904d0c5588a4beb02924690a9bf32a8bde7ce0"}}