{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:EP6NOUY44PGW7SLPIFUADSHXQQ","short_pith_number":"pith:EP6NOUY4","canonical_record":{"source":{"id":"1804.07530","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-04-20T10:08:50Z","cross_cats_sorted":[],"title_canon_sha256":"10425e37ed3fd18ded7b8680a3abebf0946a45412671d3ea4e7d0164c341075e","abstract_canon_sha256":"39eec038499783d485f8db86c0621c7b4791b51c1ffb1f080d909708838cc769"},"schema_version":"1.0"},"canonical_sha256":"23fcd7531ce3cd6fc96f416801c8f7842b71510c6d1b04af58d1371dc4e1aee7","source":{"kind":"arxiv","id":"1804.07530","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1804.07530","created_at":"2026-05-18T00:17:32Z"},{"alias_kind":"arxiv_version","alias_value":"1804.07530v2","created_at":"2026-05-18T00:17:32Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1804.07530","created_at":"2026-05-18T00:17:32Z"},{"alias_kind":"pith_short_12","alias_value":"EP6NOUY44PGW","created_at":"2026-05-18T12:32:22Z"},{"alias_kind":"pith_short_16","alias_value":"EP6NOUY44PGW7SLP","created_at":"2026-05-18T12:32:22Z"},{"alias_kind":"pith_short_8","alias_value":"EP6NOUY4","created_at":"2026-05-18T12:32:22Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:EP6NOUY44PGW7SLPIFUADSHXQQ","target":"record","payload":{"canonical_record":{"source":{"id":"1804.07530","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-04-20T10:08:50Z","cross_cats_sorted":[],"title_canon_sha256":"10425e37ed3fd18ded7b8680a3abebf0946a45412671d3ea4e7d0164c341075e","abstract_canon_sha256":"39eec038499783d485f8db86c0621c7b4791b51c1ffb1f080d909708838cc769"},"schema_version":"1.0"},"canonical_sha256":"23fcd7531ce3cd6fc96f416801c8f7842b71510c6d1b04af58d1371dc4e1aee7","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:17:32.626050Z","signature_b64":"N7SoFCkVMF1omzSqsT3WOn52h974r3vAtwbVPqgcOunGm09+osasfScbUxgg2hnLM5pwmtcb6hNkzKhR8MiCBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"23fcd7531ce3cd6fc96f416801c8f7842b71510c6d1b04af58d1371dc4e1aee7","last_reissued_at":"2026-05-18T00:17:32.625446Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:17:32.625446Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1804.07530","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":"2026-05-18T00:17:32Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"TNoULmW7rDz3TBiM9YXSsL3jvWKb1gsSCUUuFprjV0J/L30DVGOg+zO3b13Q5+IWbek8Uf2Idbl7+rMAxA6fBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T04:42:25.354153Z"},"content_sha256":"758742b1b07f5763f6912f03d1f6368876da5ef190567b4b67277c98dc4daf13","schema_version":"1.0","event_id":"sha256:758742b1b07f5763f6912f03d1f6368876da5ef190567b4b67277c98dc4daf13"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:EP6NOUY44PGW7SLPIFUADSHXQQ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Scratching the surface with TGAS and RAVE: disk moving groups in the Solar neighborhood","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Amina Helmi, Helmer H. Koppelman, Jovan Veljanoski, Lorenzo Posti, Titania Virginiflosia","submitted_at":"2018-04-20T10:08:50Z","abstract_excerpt":"There is long tradition extending more than a century on the identification of moving groups in the Solar neighborhood. However, with the advent of large kinematic surveys, and especially of the upcoming Gaia data releases there is a need for more sophisticated and automated substructure finders. We analyze the TGASxRAVE dataset to identify moving groups in the Galactic disk. These groups of stars may then be used to map dynamical and star formation processes in the vicinity of the Sun. We use the ROCKSTAR algorithm, a \"friends-of-friends\"-like substructure finder in 6D phase-space, and analyz"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1804.07530","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":"2026-05-18T00:17:32Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"mgHMHlGokyUUd3ygycFnbNwdiiENgz1OHw2GIQLMjqTwV1iBZDfoydXC8bWkWKgify0KC5Rw5kT16IlmuvnrDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T04:42:25.354939Z"},"content_sha256":"d8681f70774a9d91e611ab85bf45a5279ca13030ee51be872cf1def337fa9c46","schema_version":"1.0","event_id":"sha256:d8681f70774a9d91e611ab85bf45a5279ca13030ee51be872cf1def337fa9c46"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/EP6NOUY44PGW7SLPIFUADSHXQQ/bundle.json","state_url":"https://pith.science/pith/EP6NOUY44PGW7SLPIFUADSHXQQ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/EP6NOUY44PGW7SLPIFUADSHXQQ/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":"2026-06-01T04:42:25Z","links":{"resolver":"https://pith.science/pith/EP6NOUY44PGW7SLPIFUADSHXQQ","bundle":"https://pith.science/pith/EP6NOUY44PGW7SLPIFUADSHXQQ/bundle.json","state":"https://pith.science/pith/EP6NOUY44PGW7SLPIFUADSHXQQ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/EP6NOUY44PGW7SLPIFUADSHXQQ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:EP6NOUY44PGW7SLPIFUADSHXQQ","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":"39eec038499783d485f8db86c0621c7b4791b51c1ffb1f080d909708838cc769","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-04-20T10:08:50Z","title_canon_sha256":"10425e37ed3fd18ded7b8680a3abebf0946a45412671d3ea4e7d0164c341075e"},"schema_version":"1.0","source":{"id":"1804.07530","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1804.07530","created_at":"2026-05-18T00:17:32Z"},{"alias_kind":"arxiv_version","alias_value":"1804.07530v2","created_at":"2026-05-18T00:17:32Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1804.07530","created_at":"2026-05-18T00:17:32Z"},{"alias_kind":"pith_short_12","alias_value":"EP6NOUY44PGW","created_at":"2026-05-18T12:32:22Z"},{"alias_kind":"pith_short_16","alias_value":"EP6NOUY44PGW7SLP","created_at":"2026-05-18T12:32:22Z"},{"alias_kind":"pith_short_8","alias_value":"EP6NOUY4","created_at":"2026-05-18T12:32:22Z"}],"graph_snapshots":[{"event_id":"sha256:d8681f70774a9d91e611ab85bf45a5279ca13030ee51be872cf1def337fa9c46","target":"graph","created_at":"2026-05-18T00:17:32Z","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":"There is long tradition extending more than a century on the identification of moving groups in the Solar neighborhood. However, with the advent of large kinematic surveys, and especially of the upcoming Gaia data releases there is a need for more sophisticated and automated substructure finders. We analyze the TGASxRAVE dataset to identify moving groups in the Galactic disk. These groups of stars may then be used to map dynamical and star formation processes in the vicinity of the Sun. We use the ROCKSTAR algorithm, a \"friends-of-friends\"-like substructure finder in 6D phase-space, and analyz","authors_text":"Amina Helmi, Helmer H. Koppelman, Jovan Veljanoski, Lorenzo Posti, Titania Virginiflosia","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-04-20T10:08:50Z","title":"Scratching the surface with TGAS and RAVE: disk moving groups in the Solar neighborhood"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1804.07530","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":"sha256:758742b1b07f5763f6912f03d1f6368876da5ef190567b4b67277c98dc4daf13","target":"record","created_at":"2026-05-18T00:17:32Z","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":"39eec038499783d485f8db86c0621c7b4791b51c1ffb1f080d909708838cc769","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-04-20T10:08:50Z","title_canon_sha256":"10425e37ed3fd18ded7b8680a3abebf0946a45412671d3ea4e7d0164c341075e"},"schema_version":"1.0","source":{"id":"1804.07530","kind":"arxiv","version":2}},"canonical_sha256":"23fcd7531ce3cd6fc96f416801c8f7842b71510c6d1b04af58d1371dc4e1aee7","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"23fcd7531ce3cd6fc96f416801c8f7842b71510c6d1b04af58d1371dc4e1aee7","first_computed_at":"2026-05-18T00:17:32.625446Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:17:32.625446Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"N7SoFCkVMF1omzSqsT3WOn52h974r3vAtwbVPqgcOunGm09+osasfScbUxgg2hnLM5pwmtcb6hNkzKhR8MiCBQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:17:32.626050Z","signed_message":"canonical_sha256_bytes"},"source_id":"1804.07530","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:758742b1b07f5763f6912f03d1f6368876da5ef190567b4b67277c98dc4daf13","sha256:d8681f70774a9d91e611ab85bf45a5279ca13030ee51be872cf1def337fa9c46"],"state_sha256":"23c69eff09edee3cabd9df745b6057dd8b71441a043b3f9b14e32ed8dfd8e750"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"a6h1SaxrLO1s3UITSToneaj12JQgyagZHBsLF6u6bUu8z/XSv5XedflQimnE5sUs8tSELNQxKeneyCiSElWTCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-01T04:42:25.358988Z","bundle_sha256":"94cd9b08cc66651ec294d41cdfd3029be34fc27f98689d9516d6a3ee097c01d1"}}