{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:KNLQ2IPXNSYGFPMFAGP6S2RPWE","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":"1bc44c17e1ba6cb8f5119f68bc3c8d31587c71e48c8f3fd5aba0de24d825be8c","cross_cats_sorted":["cs.CV"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2019-11-13T21:37:53Z","title_canon_sha256":"9603a3228f5d910bd3b4e51fe0c48637213c2c0b107c510a04c2af02cbdf36e8"},"schema_version":"1.0","source":{"id":"1911.05821","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1911.05821","created_at":"2026-07-05T01:31:45Z"},{"alias_kind":"arxiv_version","alias_value":"1911.05821v1","created_at":"2026-07-05T01:31:45Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1911.05821","created_at":"2026-07-05T01:31:45Z"},{"alias_kind":"pith_short_12","alias_value":"KNLQ2IPXNSYG","created_at":"2026-07-05T01:31:45Z"},{"alias_kind":"pith_short_16","alias_value":"KNLQ2IPXNSYGFPMF","created_at":"2026-07-05T01:31:45Z"},{"alias_kind":"pith_short_8","alias_value":"KNLQ2IPX","created_at":"2026-07-05T01:31:45Z"}],"graph_snapshots":[{"event_id":"sha256:cf83c279ef796d056a4909d6fc26ceb0731f0d5792c0dc928c71c0f9b9e984b2","target":"graph","created_at":"2026-07-05T01:31:45Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/1911.05821/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Our multi-view metric learning framework enables robust characterization of star categories by directly learning to discriminate in a multi-faceted feature space, thus, eliminating the need to combine feature representations prior to fitting the machine learning model. We also demonstrate how to extend standard multi-view learning, which employs multiple vectorized views, to the matrix-variate case which allows very novel variable star signature representations. The performance of our proposed methods is evaluated on the UCR Starlight and LINEAR datasets. Both the vector and matrix-variate ver","authors_text":"A.M. Peter, K. B. Johnston, R. Haber, S.M. Caballero-Nieves, V. Petit","cross_cats":["cs.CV"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2019-11-13T21:37:53Z","title":"Variable Star Classification Using Multi-View Metric Learning"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1911.05821","kind":"arxiv","version":1},"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":"sha256:392cc07185f19a69b8f4f439ef8953eee642b9e99205667b88412744970deb1f","target":"record","created_at":"2026-07-05T01:31:45Z","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":"1bc44c17e1ba6cb8f5119f68bc3c8d31587c71e48c8f3fd5aba0de24d825be8c","cross_cats_sorted":["cs.CV"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2019-11-13T21:37:53Z","title_canon_sha256":"9603a3228f5d910bd3b4e51fe0c48637213c2c0b107c510a04c2af02cbdf36e8"},"schema_version":"1.0","source":{"id":"1911.05821","kind":"arxiv","version":1}},"canonical_sha256":"53570d21f76cb062bd85019fe96a2fb1341818d4635a856cb7937298cd23a73a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"53570d21f76cb062bd85019fe96a2fb1341818d4635a856cb7937298cd23a73a","first_computed_at":"2026-07-05T01:31:45.337409Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T01:31:45.337409Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"+9gM0rOmxmMkQqNVjeAIllyoPk2YGQ6JrzkhLZke3U0ShXp49DZh+kAniWEpqDfOIh9//bjC6NQM74NZio6QCA==","signature_status":"signed_v1","signed_at":"2026-07-05T01:31:45.337925Z","signed_message":"canonical_sha256_bytes"},"source_id":"1911.05821","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:392cc07185f19a69b8f4f439ef8953eee642b9e99205667b88412744970deb1f","sha256:cf83c279ef796d056a4909d6fc26ceb0731f0d5792c0dc928c71c0f9b9e984b2"],"state_sha256":"f92d9f74193864cb24104c7c00c7f2d71ca070ec2ef3d81bd0ac7c0840245888"}