{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:WUETT4JBLST3PYJ2JYX2AQCWMB","short_pith_number":"pith:WUETT4JB","canonical_record":{"source":{"id":"1701.05676","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2017-01-20T03:52:48Z","cross_cats_sorted":[],"title_canon_sha256":"5e950e043bb6994c3087e4e81e97ac66f93570b24ba4d787f5909baa2bbf359e","abstract_canon_sha256":"0342c959a82d32d07f4d1786a3c1e7d36570f3059796200cf959b5238e317dab"},"schema_version":"1.0"},"canonical_sha256":"b50939f1215ca7b7e13a4e2fa040566054c6bc38c0eaba9b529a9e9a6022b8c1","source":{"kind":"arxiv","id":"1701.05676","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1701.05676","created_at":"2026-05-18T00:52:28Z"},{"alias_kind":"arxiv_version","alias_value":"1701.05676v1","created_at":"2026-05-18T00:52:28Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1701.05676","created_at":"2026-05-18T00:52:28Z"},{"alias_kind":"pith_short_12","alias_value":"WUETT4JBLST3","created_at":"2026-05-18T12:31:53Z"},{"alias_kind":"pith_short_16","alias_value":"WUETT4JBLST3PYJ2","created_at":"2026-05-18T12:31:53Z"},{"alias_kind":"pith_short_8","alias_value":"WUETT4JB","created_at":"2026-05-18T12:31:53Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:WUETT4JBLST3PYJ2JYX2AQCWMB","target":"record","payload":{"canonical_record":{"source":{"id":"1701.05676","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2017-01-20T03:52:48Z","cross_cats_sorted":[],"title_canon_sha256":"5e950e043bb6994c3087e4e81e97ac66f93570b24ba4d787f5909baa2bbf359e","abstract_canon_sha256":"0342c959a82d32d07f4d1786a3c1e7d36570f3059796200cf959b5238e317dab"},"schema_version":"1.0"},"canonical_sha256":"b50939f1215ca7b7e13a4e2fa040566054c6bc38c0eaba9b529a9e9a6022b8c1","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:52:28.811557Z","signature_b64":"vMnk7ec2yxHpGhGpwhTun0fnU49nFYXIzZFpz6kVtgWZGfEOecPQGeQ+YTsWZ0Vr7ELJNRe4VNWJUGi0Rm1zAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b50939f1215ca7b7e13a4e2fa040566054c6bc38c0eaba9b529a9e9a6022b8c1","last_reissued_at":"2026-05-18T00:52:28.810992Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:52:28.810992Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1701.05676","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:52:28Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"cMl0oSgDI5Z8SzXAaVX6VrcEC9dAsjoXJfr2wAUUo9sQ7VS7OGpXstWxg53UGUuKCsKbabJmJjo7mOmw8ZyeDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-02T10:36:37.167972Z"},"content_sha256":"710205bb60444b61a9c37320f08e10a2157e9cd336df7f45ff4219fbeda96768","schema_version":"1.0","event_id":"sha256:710205bb60444b61a9c37320f08e10a2157e9cd336df7f45ff4219fbeda96768"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:WUETT4JBLST3PYJ2JYX2AQCWMB","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Efficient Feature Matching by Progressive Candidate Search","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.CV","authors_text":"Il hong Suh, Jongwoo Lim, Sehyung Lee","submitted_at":"2017-01-20T03:52:48Z","abstract_excerpt":"We present a novel feature matching algorithm that systematically utilizes the geometric properties of features such as position, scale, and orientation, in addition to the conventional descriptor vectors. In challenging scenes with the presence of repetitive patterns or with a large viewpoint change, it is hard to find the correct correspondences using feature descriptors only, since the descriptor distances of the correct matches may not be the least among the candidates due to appearance changes. Assuming that the layout of the nearby features does not changed much, we propose the bidirecti"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1701.05676","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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:52:28Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"LAmeHLB1Nrdp6tcY+5S3CD/74W9ssPfrM3GQPHc2mvvuI/ED13CphbqpaZpCSQRAA4yZbJqamNAr8HXlVPGPCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-02T10:36:37.168328Z"},"content_sha256":"2ae5c9bc9409376e8e4b26772ad20fc97c55bf22b27ff3bf7f71a89ac129c964","schema_version":"1.0","event_id":"sha256:2ae5c9bc9409376e8e4b26772ad20fc97c55bf22b27ff3bf7f71a89ac129c964"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/WUETT4JBLST3PYJ2JYX2AQCWMB/bundle.json","state_url":"https://pith.science/pith/WUETT4JBLST3PYJ2JYX2AQCWMB/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/WUETT4JBLST3PYJ2JYX2AQCWMB/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":"2026-07-02T10:36:37Z","links":{"resolver":"https://pith.science/pith/WUETT4JBLST3PYJ2JYX2AQCWMB","bundle":"https://pith.science/pith/WUETT4JBLST3PYJ2JYX2AQCWMB/bundle.json","state":"https://pith.science/pith/WUETT4JBLST3PYJ2JYX2AQCWMB/state.json","well_known_bundle":"https://pith.science/.well-known/pith/WUETT4JBLST3PYJ2JYX2AQCWMB/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:WUETT4JBLST3PYJ2JYX2AQCWMB","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":"0342c959a82d32d07f4d1786a3c1e7d36570f3059796200cf959b5238e317dab","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2017-01-20T03:52:48Z","title_canon_sha256":"5e950e043bb6994c3087e4e81e97ac66f93570b24ba4d787f5909baa2bbf359e"},"schema_version":"1.0","source":{"id":"1701.05676","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1701.05676","created_at":"2026-05-18T00:52:28Z"},{"alias_kind":"arxiv_version","alias_value":"1701.05676v1","created_at":"2026-05-18T00:52:28Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1701.05676","created_at":"2026-05-18T00:52:28Z"},{"alias_kind":"pith_short_12","alias_value":"WUETT4JBLST3","created_at":"2026-05-18T12:31:53Z"},{"alias_kind":"pith_short_16","alias_value":"WUETT4JBLST3PYJ2","created_at":"2026-05-18T12:31:53Z"},{"alias_kind":"pith_short_8","alias_value":"WUETT4JB","created_at":"2026-05-18T12:31:53Z"}],"graph_snapshots":[{"event_id":"sha256:2ae5c9bc9409376e8e4b26772ad20fc97c55bf22b27ff3bf7f71a89ac129c964","target":"graph","created_at":"2026-05-18T00:52:28Z","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":"We present a novel feature matching algorithm that systematically utilizes the geometric properties of features such as position, scale, and orientation, in addition to the conventional descriptor vectors. In challenging scenes with the presence of repetitive patterns or with a large viewpoint change, it is hard to find the correct correspondences using feature descriptors only, since the descriptor distances of the correct matches may not be the least among the candidates due to appearance changes. Assuming that the layout of the nearby features does not changed much, we propose the bidirecti","authors_text":"Il hong Suh, Jongwoo Lim, Sehyung Lee","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2017-01-20T03:52:48Z","title":"Efficient Feature Matching by Progressive Candidate Search"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1701.05676","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":"sha256:710205bb60444b61a9c37320f08e10a2157e9cd336df7f45ff4219fbeda96768","target":"record","created_at":"2026-05-18T00:52:28Z","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":"0342c959a82d32d07f4d1786a3c1e7d36570f3059796200cf959b5238e317dab","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2017-01-20T03:52:48Z","title_canon_sha256":"5e950e043bb6994c3087e4e81e97ac66f93570b24ba4d787f5909baa2bbf359e"},"schema_version":"1.0","source":{"id":"1701.05676","kind":"arxiv","version":1}},"canonical_sha256":"b50939f1215ca7b7e13a4e2fa040566054c6bc38c0eaba9b529a9e9a6022b8c1","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b50939f1215ca7b7e13a4e2fa040566054c6bc38c0eaba9b529a9e9a6022b8c1","first_computed_at":"2026-05-18T00:52:28.810992Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:52:28.810992Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"vMnk7ec2yxHpGhGpwhTun0fnU49nFYXIzZFpz6kVtgWZGfEOecPQGeQ+YTsWZ0Vr7ELJNRe4VNWJUGi0Rm1zAA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:52:28.811557Z","signed_message":"canonical_sha256_bytes"},"source_id":"1701.05676","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:710205bb60444b61a9c37320f08e10a2157e9cd336df7f45ff4219fbeda96768","sha256:2ae5c9bc9409376e8e4b26772ad20fc97c55bf22b27ff3bf7f71a89ac129c964"],"state_sha256":"285e53990750325c8212d1c3c229daa7f8dff9aa20a79204824f3d3967d5ce1a"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Wxk1p3ROoEyFIDLyKbVe2w8fPrIVwm4KM9VZOLX2yheLfpwP83DHBkE8CQQOx6vaqGlJRTQTBeRF0KlDo+0GDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-02T10:36:37.170310Z","bundle_sha256":"7aad508384a125525e316cc7fda1f67cb5bcf3aff123da512f1fab097ccf03fe"}}