{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:7VD3WKUI3I72REV476PHDUQFMF","short_pith_number":"pith:7VD3WKUI","canonical_record":{"source":{"id":"1909.13066","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.GR","submitted_at":"2019-09-28T10:39:22Z","cross_cats_sorted":[],"title_canon_sha256":"cfdafe17dd930da4e06cba5e3668b65075405ce877a2321a4112d6d6e2c756ae","abstract_canon_sha256":"d0ebf6221c25ab65ccae17b13c12856d1e2c62cd5186c102345469a8820c646b"},"schema_version":"1.0"},"canonical_sha256":"fd47bb2a88da3fa892bcff9e71d205614befb4de8fd96cd708aecc9c552c0248","source":{"kind":"arxiv","id":"1909.13066","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1909.13066","created_at":"2026-07-05T00:16:37Z"},{"alias_kind":"arxiv_version","alias_value":"1909.13066v3","created_at":"2026-07-05T00:16:37Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1909.13066","created_at":"2026-07-05T00:16:37Z"},{"alias_kind":"pith_short_12","alias_value":"7VD3WKUI3I72","created_at":"2026-07-05T00:16:37Z"},{"alias_kind":"pith_short_16","alias_value":"7VD3WKUI3I72REV4","created_at":"2026-07-05T00:16:37Z"},{"alias_kind":"pith_short_8","alias_value":"7VD3WKUI","created_at":"2026-07-05T00:16:37Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:7VD3WKUI3I72REV476PHDUQFMF","target":"record","payload":{"canonical_record":{"source":{"id":"1909.13066","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.GR","submitted_at":"2019-09-28T10:39:22Z","cross_cats_sorted":[],"title_canon_sha256":"cfdafe17dd930da4e06cba5e3668b65075405ce877a2321a4112d6d6e2c756ae","abstract_canon_sha256":"d0ebf6221c25ab65ccae17b13c12856d1e2c62cd5186c102345469a8820c646b"},"schema_version":"1.0"},"canonical_sha256":"fd47bb2a88da3fa892bcff9e71d205614befb4de8fd96cd708aecc9c552c0248","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T00:16:37.038589Z","signature_b64":"tAQlcuz2ceSvgzCoX+my8qCdhiicP1LrxpVmW18d7dDhUzlhp1Bki5lDvjNaY9ksY04D47i7p1+E7e9e+/9qCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"fd47bb2a88da3fa892bcff9e71d205614befb4de8fd96cd708aecc9c552c0248","last_reissued_at":"2026-07-05T00:16:37.038201Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T00:16:37.038201Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1909.13066","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T00:16:37Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"VLWhCt7Xmk3TTl/V6S+QaPImzyQmOr8bLRymBWd32myN4S9eFjtehCcB0OPvqMdplrP75lcvQIrgnBscRZ0aDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T03:56:09.789170Z"},"content_sha256":"da33b314b0af2a44c183fde660b21ef9f23f10ef130c6f95457f5ce188c2986c","schema_version":"1.0","event_id":"sha256:da33b314b0af2a44c183fde660b21ef9f23f10ef130c6f95457f5ce188c2986c"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:7VD3WKUI3I72REV476PHDUQFMF","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Voting for Distortion Points in Geometric Processing","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.GR","authors_text":"Ligang Liu, Shuangming Chai, Xiao-Ming Fu","submitted_at":"2019-09-28T10:39:22Z","abstract_excerpt":"Low isometric distortion is often required for mesh parameterizations. A configuration of some vertices, where the distortion is concentrated, provides a way to mitigate isometric distortion, but determining the number and placement of these vertices is non-trivial. We call these vertices distortion points. We present a novel and automatic method to detect distortion points using a voting strategy. Our method integrates two components: candidate generation and candidate voting. Given a closed triangular mesh, we generate candidate distortion points by executing a three-step procedure repeatedl"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1909.13066","kind":"arxiv","version":3},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/1909.13066/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-05T00:16:37Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"kVqHyR9KlLfL942Uni7InTjs+ubMKvSQeaMUha/THv9ksBH1KiR3r8SJS8QKxmEAlBCEInlLu80zNH2MOw1gBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T03:56:09.789567Z"},"content_sha256":"6434c127d21fee7237594826d7d653ec43ce33ebd3f8c9535fd5b95df2b2c56f","schema_version":"1.0","event_id":"sha256:6434c127d21fee7237594826d7d653ec43ce33ebd3f8c9535fd5b95df2b2c56f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/7VD3WKUI3I72REV476PHDUQFMF/bundle.json","state_url":"https://pith.science/pith/7VD3WKUI3I72REV476PHDUQFMF/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/7VD3WKUI3I72REV476PHDUQFMF/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":"2026-07-07T03:56:09Z","links":{"resolver":"https://pith.science/pith/7VD3WKUI3I72REV476PHDUQFMF","bundle":"https://pith.science/pith/7VD3WKUI3I72REV476PHDUQFMF/bundle.json","state":"https://pith.science/pith/7VD3WKUI3I72REV476PHDUQFMF/state.json","well_known_bundle":"https://pith.science/.well-known/pith/7VD3WKUI3I72REV476PHDUQFMF/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:7VD3WKUI3I72REV476PHDUQFMF","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":"d0ebf6221c25ab65ccae17b13c12856d1e2c62cd5186c102345469a8820c646b","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.GR","submitted_at":"2019-09-28T10:39:22Z","title_canon_sha256":"cfdafe17dd930da4e06cba5e3668b65075405ce877a2321a4112d6d6e2c756ae"},"schema_version":"1.0","source":{"id":"1909.13066","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1909.13066","created_at":"2026-07-05T00:16:37Z"},{"alias_kind":"arxiv_version","alias_value":"1909.13066v3","created_at":"2026-07-05T00:16:37Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1909.13066","created_at":"2026-07-05T00:16:37Z"},{"alias_kind":"pith_short_12","alias_value":"7VD3WKUI3I72","created_at":"2026-07-05T00:16:37Z"},{"alias_kind":"pith_short_16","alias_value":"7VD3WKUI3I72REV4","created_at":"2026-07-05T00:16:37Z"},{"alias_kind":"pith_short_8","alias_value":"7VD3WKUI","created_at":"2026-07-05T00:16:37Z"}],"graph_snapshots":[{"event_id":"sha256:6434c127d21fee7237594826d7d653ec43ce33ebd3f8c9535fd5b95df2b2c56f","target":"graph","created_at":"2026-07-05T00:16:37Z","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/1909.13066/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Low isometric distortion is often required for mesh parameterizations. A configuration of some vertices, where the distortion is concentrated, provides a way to mitigate isometric distortion, but determining the number and placement of these vertices is non-trivial. We call these vertices distortion points. We present a novel and automatic method to detect distortion points using a voting strategy. Our method integrates two components: candidate generation and candidate voting. Given a closed triangular mesh, we generate candidate distortion points by executing a three-step procedure repeatedl","authors_text":"Ligang Liu, Shuangming Chai, Xiao-Ming Fu","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.GR","submitted_at":"2019-09-28T10:39:22Z","title":"Voting for Distortion Points in Geometric Processing"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1909.13066","kind":"arxiv","version":3},"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:da33b314b0af2a44c183fde660b21ef9f23f10ef130c6f95457f5ce188c2986c","target":"record","created_at":"2026-07-05T00:16:37Z","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":"d0ebf6221c25ab65ccae17b13c12856d1e2c62cd5186c102345469a8820c646b","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.GR","submitted_at":"2019-09-28T10:39:22Z","title_canon_sha256":"cfdafe17dd930da4e06cba5e3668b65075405ce877a2321a4112d6d6e2c756ae"},"schema_version":"1.0","source":{"id":"1909.13066","kind":"arxiv","version":3}},"canonical_sha256":"fd47bb2a88da3fa892bcff9e71d205614befb4de8fd96cd708aecc9c552c0248","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"fd47bb2a88da3fa892bcff9e71d205614befb4de8fd96cd708aecc9c552c0248","first_computed_at":"2026-07-05T00:16:37.038201Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T00:16:37.038201Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"tAQlcuz2ceSvgzCoX+my8qCdhiicP1LrxpVmW18d7dDhUzlhp1Bki5lDvjNaY9ksY04D47i7p1+E7e9e+/9qCw==","signature_status":"signed_v1","signed_at":"2026-07-05T00:16:37.038589Z","signed_message":"canonical_sha256_bytes"},"source_id":"1909.13066","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:da33b314b0af2a44c183fde660b21ef9f23f10ef130c6f95457f5ce188c2986c","sha256:6434c127d21fee7237594826d7d653ec43ce33ebd3f8c9535fd5b95df2b2c56f"],"state_sha256":"0c356f3fb0a2d22805383e0def38dadfe0f297abd1599530466c330a9df74cc4"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/+qn/P0Gai+DwnPh8hI0adTJSnlOOXlL05vWXuS6KxPydLrdEkr8d7QRCcHcd1jHEJi3ORT7/8LncPwovt9eCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-07T03:56:09.791561Z","bundle_sha256":"70908e652b44a4bca763234a08866185ea7c27077ae8ee0a674f104c3f898dfb"}}