{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:R6UJHCKNL2UNUUOAMZ3MYIOHZ5","short_pith_number":"pith:R6UJHCKN","canonical_record":{"source":{"id":"1703.10584","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2017-03-30T17:32:02Z","cross_cats_sorted":[],"title_canon_sha256":"8209476cf6e92b3bb78689a1149ed51231d37729a417e88c8cca7809ab647edf","abstract_canon_sha256":"002cf4dc5b61e2a76c6f5c6a5da35bc16f4089d118bf41a94ed139e0bcd2dc4a"},"schema_version":"1.0"},"canonical_sha256":"8fa893894d5ea8da51c06676cc21c7cf7b629aa8944ea9f898b144d525ac804a","source":{"kind":"arxiv","id":"1703.10584","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1703.10584","created_at":"2026-05-18T00:47:34Z"},{"alias_kind":"arxiv_version","alias_value":"1703.10584v1","created_at":"2026-05-18T00:47:34Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1703.10584","created_at":"2026-05-18T00:47:34Z"},{"alias_kind":"pith_short_12","alias_value":"R6UJHCKNL2UN","created_at":"2026-05-18T12:31:39Z"},{"alias_kind":"pith_short_16","alias_value":"R6UJHCKNL2UNUUOA","created_at":"2026-05-18T12:31:39Z"},{"alias_kind":"pith_short_8","alias_value":"R6UJHCKN","created_at":"2026-05-18T12:31:39Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:R6UJHCKNL2UNUUOAMZ3MYIOHZ5","target":"record","payload":{"canonical_record":{"source":{"id":"1703.10584","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2017-03-30T17:32:02Z","cross_cats_sorted":[],"title_canon_sha256":"8209476cf6e92b3bb78689a1149ed51231d37729a417e88c8cca7809ab647edf","abstract_canon_sha256":"002cf4dc5b61e2a76c6f5c6a5da35bc16f4089d118bf41a94ed139e0bcd2dc4a"},"schema_version":"1.0"},"canonical_sha256":"8fa893894d5ea8da51c06676cc21c7cf7b629aa8944ea9f898b144d525ac804a","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:47:34.345630Z","signature_b64":"M5lOPqxbEgPnYgcqzjsSRlnqaKoNdxZUdPzBGprL4ErVW8Jwjjf3u0tXICmOcpqjkNmK/vrUiU2VS0i75a9+DQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"8fa893894d5ea8da51c06676cc21c7cf7b629aa8944ea9f898b144d525ac804a","last_reissued_at":"2026-05-18T00:47:34.345006Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:47:34.345006Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1703.10584","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":"2026-05-18T00:47:34Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/PJcd+W5stJaawrqdD0uFWO1emtQhn+AEdwnuKFedq+qOx+Q2daukadsHR7RtAPTqAMRg4KnSTBd0UeqVMKvCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-25T07:35:52.406564Z"},"content_sha256":"27f9eaae5e9c3c9da0a7c6335c018153f2b5d44ed0761f25d0dc249e87bbaca6","schema_version":"1.0","event_id":"sha256:27f9eaae5e9c3c9da0a7c6335c018153f2b5d44ed0761f25d0dc249e87bbaca6"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:R6UJHCKNL2UNUUOAMZ3MYIOHZ5","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Geometric Affordances from a Single Example via the Interaction Tensor","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.CV","authors_text":"Eduardo Ruiz, Walterio Mayol-Cuevas","submitted_at":"2017-03-30T17:32:02Z","abstract_excerpt":"This paper develops and evaluates a new tensor field representation to express the geometric affordance of one object over another. We expand the well known bisector surface representation to one that is weight-driven and that retains the provenance of surface points with directional vectors. We also incorporate the notion of affordance keypoints which allow for faster decisions at a point of query and with a compact and straightforward descriptor. Using a single interaction example, we are able to generalize to previously-unseen scenarios; both synthetic and also real scenes captured with RGB"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1703.10584","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":"2026-05-18T00:47:34Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"CJUrFyyPnvvs4XrtsmuUfTCde7trq7s8ZdvO6XwxCArrOElCMr1Zk3GsN7j3F78b1rE3aDvAvgNyFdg/pJLPBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-25T07:35:52.407046Z"},"content_sha256":"45eea1f674885c4f5e774ac622dce9f674520d61073f5e7fbc9f9ba605ab9ee5","schema_version":"1.0","event_id":"sha256:45eea1f674885c4f5e774ac622dce9f674520d61073f5e7fbc9f9ba605ab9ee5"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/R6UJHCKNL2UNUUOAMZ3MYIOHZ5/bundle.json","state_url":"https://pith.science/pith/R6UJHCKNL2UNUUOAMZ3MYIOHZ5/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/R6UJHCKNL2UNUUOAMZ3MYIOHZ5/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":"2026-06-25T07:35:52Z","links":{"resolver":"https://pith.science/pith/R6UJHCKNL2UNUUOAMZ3MYIOHZ5","bundle":"https://pith.science/pith/R6UJHCKNL2UNUUOAMZ3MYIOHZ5/bundle.json","state":"https://pith.science/pith/R6UJHCKNL2UNUUOAMZ3MYIOHZ5/state.json","well_known_bundle":"https://pith.science/.well-known/pith/R6UJHCKNL2UNUUOAMZ3MYIOHZ5/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:R6UJHCKNL2UNUUOAMZ3MYIOHZ5","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":"002cf4dc5b61e2a76c6f5c6a5da35bc16f4089d118bf41a94ed139e0bcd2dc4a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2017-03-30T17:32:02Z","title_canon_sha256":"8209476cf6e92b3bb78689a1149ed51231d37729a417e88c8cca7809ab647edf"},"schema_version":"1.0","source":{"id":"1703.10584","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1703.10584","created_at":"2026-05-18T00:47:34Z"},{"alias_kind":"arxiv_version","alias_value":"1703.10584v1","created_at":"2026-05-18T00:47:34Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1703.10584","created_at":"2026-05-18T00:47:34Z"},{"alias_kind":"pith_short_12","alias_value":"R6UJHCKNL2UN","created_at":"2026-05-18T12:31:39Z"},{"alias_kind":"pith_short_16","alias_value":"R6UJHCKNL2UNUUOA","created_at":"2026-05-18T12:31:39Z"},{"alias_kind":"pith_short_8","alias_value":"R6UJHCKN","created_at":"2026-05-18T12:31:39Z"}],"graph_snapshots":[{"event_id":"sha256:45eea1f674885c4f5e774ac622dce9f674520d61073f5e7fbc9f9ba605ab9ee5","target":"graph","created_at":"2026-05-18T00:47:34Z","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":"This paper develops and evaluates a new tensor field representation to express the geometric affordance of one object over another. We expand the well known bisector surface representation to one that is weight-driven and that retains the provenance of surface points with directional vectors. We also incorporate the notion of affordance keypoints which allow for faster decisions at a point of query and with a compact and straightforward descriptor. Using a single interaction example, we are able to generalize to previously-unseen scenarios; both synthetic and also real scenes captured with RGB","authors_text":"Eduardo Ruiz, Walterio Mayol-Cuevas","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2017-03-30T17:32:02Z","title":"Geometric Affordances from a Single Example via the Interaction Tensor"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1703.10584","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":"sha256:27f9eaae5e9c3c9da0a7c6335c018153f2b5d44ed0761f25d0dc249e87bbaca6","target":"record","created_at":"2026-05-18T00:47:34Z","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":"002cf4dc5b61e2a76c6f5c6a5da35bc16f4089d118bf41a94ed139e0bcd2dc4a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2017-03-30T17:32:02Z","title_canon_sha256":"8209476cf6e92b3bb78689a1149ed51231d37729a417e88c8cca7809ab647edf"},"schema_version":"1.0","source":{"id":"1703.10584","kind":"arxiv","version":1}},"canonical_sha256":"8fa893894d5ea8da51c06676cc21c7cf7b629aa8944ea9f898b144d525ac804a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"8fa893894d5ea8da51c06676cc21c7cf7b629aa8944ea9f898b144d525ac804a","first_computed_at":"2026-05-18T00:47:34.345006Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:47:34.345006Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"M5lOPqxbEgPnYgcqzjsSRlnqaKoNdxZUdPzBGprL4ErVW8Jwjjf3u0tXICmOcpqjkNmK/vrUiU2VS0i75a9+DQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:47:34.345630Z","signed_message":"canonical_sha256_bytes"},"source_id":"1703.10584","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:27f9eaae5e9c3c9da0a7c6335c018153f2b5d44ed0761f25d0dc249e87bbaca6","sha256:45eea1f674885c4f5e774ac622dce9f674520d61073f5e7fbc9f9ba605ab9ee5"],"state_sha256":"3c87f9844c25a5f92dc24cf4e6a9feca3fc69ce8728357d44507fb0dabd9443d"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ny8i2oAJ/msVTk4ctIcrYlJsX/isSPShK2fGgmu7/jUw0O3ylOUiGETl9t4TlQB8r2Fr437utag3i8DVrm98Cg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-25T07:35:52.409557Z","bundle_sha256":"3784fe8f345772fb00c6deb4c521df2b92beb98a6cb08f2f37ef097a631e078d"}}