{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:NMYE6P6NLQU33EGQLMDP2KAOM6","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":"096b82f1df234a60f55fd48ccb871b95cb96957820ba58ad94ee3517347f139c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2019-06-28T12:01:55Z","title_canon_sha256":"2a337d3c53e445e70eda980785f79698322e822a91fc175a40b089e79994e51f"},"schema_version":"1.0","source":{"id":"1906.12151","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1906.12151","created_at":"2026-05-17T23:41:59Z"},{"alias_kind":"arxiv_version","alias_value":"1906.12151v1","created_at":"2026-05-17T23:41:59Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1906.12151","created_at":"2026-05-17T23:41:59Z"},{"alias_kind":"pith_short_12","alias_value":"NMYE6P6NLQU3","created_at":"2026-05-18T12:33:24Z"},{"alias_kind":"pith_short_16","alias_value":"NMYE6P6NLQU33EGQ","created_at":"2026-05-18T12:33:24Z"},{"alias_kind":"pith_short_8","alias_value":"NMYE6P6N","created_at":"2026-05-18T12:33:24Z"}],"graph_snapshots":[{"event_id":"sha256:7a86fca3d9fdd85d141950431629777dfa1ce42a6cd4de45f052c2c4eee727b1","target":"graph","created_at":"2026-05-17T23:41:59Z","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":"Visual place recognition is an important component of systems for camera localization and loop closure detection. It concerns the recognition of a previously visited place based on visual cues only.\nAlthough it is a widely studied problem for indoor and urban environments, the recent use of robots for automation of agricultural and gardening tasks has created new problems, due to the challenging appearance of garden-like environments. Garden scenes predominantly contain green colors, as well as repetitive patterns and textures. The lack of available data recorded in gardens and natural environ","authors_text":"Maria Leyva-Vallina, Nicolai Petkov, Nicola Strisciuglio","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2019-06-28T12:01:55Z","title":"Place recognition in gardens by learning visual representations: data set and benchmark analysis"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1906.12151","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":"sha256:72ea52b62e09919cf724c36d51c5e583483e9df171e5dda431b58e3a21141d39","target":"record","created_at":"2026-05-17T23:41:59Z","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":"096b82f1df234a60f55fd48ccb871b95cb96957820ba58ad94ee3517347f139c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2019-06-28T12:01:55Z","title_canon_sha256":"2a337d3c53e445e70eda980785f79698322e822a91fc175a40b089e79994e51f"},"schema_version":"1.0","source":{"id":"1906.12151","kind":"arxiv","version":1}},"canonical_sha256":"6b304f3fcd5c29bd90d05b06fd280e67b0238ebc2109ea102cea5df30739e39a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"6b304f3fcd5c29bd90d05b06fd280e67b0238ebc2109ea102cea5df30739e39a","first_computed_at":"2026-05-17T23:41:59.135886Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:41:59.135886Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"9ftmKC1mRjMWVnp2ASfMV1gxG6na1Jwida3nkuuDzFQphl0BeTYpBbxuyEqGlm2IIwStLlnkdhF7NXSbsLwOAQ==","signature_status":"signed_v1","signed_at":"2026-05-17T23:41:59.136248Z","signed_message":"canonical_sha256_bytes"},"source_id":"1906.12151","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:72ea52b62e09919cf724c36d51c5e583483e9df171e5dda431b58e3a21141d39","sha256:7a86fca3d9fdd85d141950431629777dfa1ce42a6cd4de45f052c2c4eee727b1"],"state_sha256":"4af70c89e6a4f388279d55cf2456da3c35558ccbb596fe20c9bcc2335c27ff48"}