{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2016:EQQ44XFBJ6ZQVYFSVNFW3NQBDM","short_pith_number":"pith:EQQ44XFB","schema_version":"1.0","canonical_sha256":"2421ce5ca14fb30ae0b2ab4b6db6011b255e2bd7bf77b29a539aeb7a810cc3c8","source":{"kind":"arxiv","id":"1611.02448","version":1},"attestation_state":"computed","paper":{"title":"Phase-space structures and stellar populations in the star-forming region NGC~ 2264","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.IM"],"primary_cat":"astro-ph.GA","authors_text":"Emilio J. Alfaro, Marta Gonzalez","submitted_at":"2016-11-08T09:36:35Z","abstract_excerpt":"In this work we analyse the structure of a subspace of the phase space of the star-forming region NGC~ 2264 using the Spectrum of Kinematic Groupings (SKG). We show that the SKG can be used to process a collection of star data to find substructure at different scales. We have found structure associated with the NGC~ 2264 region and also with the background area. In the NGC~ 2264 region, a hierarchical analysis shows substructure compatible with that found in previous specific studies of the area but with an objective, compact methodology that allows us to homogeneously compare the structure of"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"1611.02448","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2016-11-08T09:36:35Z","cross_cats_sorted":["astro-ph.IM"],"title_canon_sha256":"a91a10e7af21a051f45b80361f0fdfe7185d6dbc239117ba8fb78e622c55f3af","abstract_canon_sha256":"fee84e2a289edcf51d380d7477f4d2b12bd2c1b9dec02e61e49c69182974981c"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:59:52.032092Z","signature_b64":"DmMh1rLTYYIB92FbbTZ7rMhS8vdcj19/kxPSyH1X52LlH4NYSMZsRcU81aF8OX9Fh+yOBXwDi7Bdh+QmxtqQAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"2421ce5ca14fb30ae0b2ab4b6db6011b255e2bd7bf77b29a539aeb7a810cc3c8","last_reissued_at":"2026-05-18T00:59:52.031308Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:59:52.031308Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Phase-space structures and stellar populations in the star-forming region NGC~ 2264","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.IM"],"primary_cat":"astro-ph.GA","authors_text":"Emilio J. Alfaro, Marta Gonzalez","submitted_at":"2016-11-08T09:36:35Z","abstract_excerpt":"In this work we analyse the structure of a subspace of the phase space of the star-forming region NGC~ 2264 using the Spectrum of Kinematic Groupings (SKG). We show that the SKG can be used to process a collection of star data to find substructure at different scales. We have found structure associated with the NGC~ 2264 region and also with the background area. In the NGC~ 2264 region, a hierarchical analysis shows substructure compatible with that found in previous specific studies of the area but with an objective, compact methodology that allows us to homogeneously compare the structure of"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1611.02448","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"},"aliases":[{"alias_kind":"arxiv","alias_value":"1611.02448","created_at":"2026-05-18T00:59:52.031442+00:00"},{"alias_kind":"arxiv_version","alias_value":"1611.02448v1","created_at":"2026-05-18T00:59:52.031442+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1611.02448","created_at":"2026-05-18T00:59:52.031442+00:00"},{"alias_kind":"pith_short_12","alias_value":"EQQ44XFBJ6ZQ","created_at":"2026-05-18T12:30:12.583610+00:00"},{"alias_kind":"pith_short_16","alias_value":"EQQ44XFBJ6ZQVYFS","created_at":"2026-05-18T12:30:12.583610+00:00"},{"alias_kind":"pith_short_8","alias_value":"EQQ44XFB","created_at":"2026-05-18T12:30:12.583610+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/EQQ44XFBJ6ZQVYFSVNFW3NQBDM","json":"https://pith.science/pith/EQQ44XFBJ6ZQVYFSVNFW3NQBDM.json","graph_json":"https://pith.science/api/pith-number/EQQ44XFBJ6ZQVYFSVNFW3NQBDM/graph.json","events_json":"https://pith.science/api/pith-number/EQQ44XFBJ6ZQVYFSVNFW3NQBDM/events.json","paper":"https://pith.science/paper/EQQ44XFB"},"agent_actions":{"view_html":"https://pith.science/pith/EQQ44XFBJ6ZQVYFSVNFW3NQBDM","download_json":"https://pith.science/pith/EQQ44XFBJ6ZQVYFSVNFW3NQBDM.json","view_paper":"https://pith.science/paper/EQQ44XFB","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1611.02448&json=true","fetch_graph":"https://pith.science/api/pith-number/EQQ44XFBJ6ZQVYFSVNFW3NQBDM/graph.json","fetch_events":"https://pith.science/api/pith-number/EQQ44XFBJ6ZQVYFSVNFW3NQBDM/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/EQQ44XFBJ6ZQVYFSVNFW3NQBDM/action/timestamp_anchor","attest_storage":"https://pith.science/pith/EQQ44XFBJ6ZQVYFSVNFW3NQBDM/action/storage_attestation","attest_author":"https://pith.science/pith/EQQ44XFBJ6ZQVYFSVNFW3NQBDM/action/author_attestation","sign_citation":"https://pith.science/pith/EQQ44XFBJ6ZQVYFSVNFW3NQBDM/action/citation_signature","submit_replication":"https://pith.science/pith/EQQ44XFBJ6ZQVYFSVNFW3NQBDM/action/replication_record"}},"created_at":"2026-05-18T00:59:52.031442+00:00","updated_at":"2026-05-18T00:59:52.031442+00:00"}