{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:D27YXPSWOAO5RZZJYU465ESEZK","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":"aac22da5cf1a9813c94749a54236339010f00a3aafb5237ec8b6973c91d0a6b1","cross_cats_sorted":["math.MG"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math.DG","submitted_at":"2018-01-10T17:38:17Z","title_canon_sha256":"16e2923df8f32e859d0ef221b728096b11b5d421b01c511677fbc8bbc7dbbd78"},"schema_version":"1.0","source":{"id":"1801.03472","kind":"arxiv","version":4}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1801.03472","created_at":"2026-07-05T00:47:14Z"},{"alias_kind":"arxiv_version","alias_value":"1801.03472v4","created_at":"2026-07-05T00:47:14Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1801.03472","created_at":"2026-07-05T00:47:14Z"},{"alias_kind":"pith_short_12","alias_value":"D27YXPSWOAO5","created_at":"2026-07-05T00:47:14Z"},{"alias_kind":"pith_short_16","alias_value":"D27YXPSWOAO5RZZJ","created_at":"2026-07-05T00:47:14Z"},{"alias_kind":"pith_short_8","alias_value":"D27YXPSW","created_at":"2026-07-05T00:47:14Z"}],"graph_snapshots":[{"event_id":"sha256:5072359947a93580d617490c83ec3d41c5a6dd5386768a2dc1bfd36afa6f78d3","target":"graph","created_at":"2026-07-05T00:47:14Z","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/1801.03472/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We characterize Riemannian orbifolds and their coverings in terms of metric geometry. In particular, we show that the metric double of a Riemannian orbifold along the closure of its codimension one stratum is a Riemannian orbifold and that the natural projection is an orbifold covering.","authors_text":"Christian Lange","cross_cats":["math.MG"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math.DG","submitted_at":"2018-01-10T17:38:17Z","title":"Orbifolds from a metric viewpoint"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1801.03472","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:c65fec220e057666472405a27decbf7e6e633c9afe313ef977f88f55c04f30ed","target":"record","created_at":"2026-07-05T00:47:14Z","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":"aac22da5cf1a9813c94749a54236339010f00a3aafb5237ec8b6973c91d0a6b1","cross_cats_sorted":["math.MG"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math.DG","submitted_at":"2018-01-10T17:38:17Z","title_canon_sha256":"16e2923df8f32e859d0ef221b728096b11b5d421b01c511677fbc8bbc7dbbd78"},"schema_version":"1.0","source":{"id":"1801.03472","kind":"arxiv","version":4}},"canonical_sha256":"1ebf8bbe56701dd8e729c539ee9244ca8d5020b6bc23cf8280c49a1dfe141404","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"1ebf8bbe56701dd8e729c539ee9244ca8d5020b6bc23cf8280c49a1dfe141404","first_computed_at":"2026-07-05T00:47:14.910639Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T00:47:14.910639Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"txuxW1Y35z6XUfHNXXpsQ9OuB8/0Zb88yaGev5cyT7/zmaXEzF4VlFaPhIXVpvS1boJ6ieHt0SwtZxDNpTc1Bw==","signature_status":"signed_v1","signed_at":"2026-07-05T00:47:14.911123Z","signed_message":"canonical_sha256_bytes"},"source_id":"1801.03472","source_kind":"arxiv","source_version":4}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c65fec220e057666472405a27decbf7e6e633c9afe313ef977f88f55c04f30ed","sha256:5072359947a93580d617490c83ec3d41c5a6dd5386768a2dc1bfd36afa6f78d3"],"state_sha256":"579c5a46b429fc23df99a329e20ae8efa0ba0feaf76f9acc6a07ef32a830b713"}