{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:LSTP73QD45L727G34M5GCTV3Z6","short_pith_number":"pith:LSTP73QD","canonical_record":{"source":{"id":"2607.13361","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2026-07-15T00:54:35Z","cross_cats_sorted":[],"title_canon_sha256":"c0f5cf9c613f3f73b7e978a9bf7480217f571476c775918b0a0289b010c3adbb","abstract_canon_sha256":"569e398a1cc66e4645149f43988fbbbfa8b875eeb98b777737100abfa40e6ae7"},"schema_version":"1.0"},"canonical_sha256":"5ca6ffee03e757fd7cdbe33a614ebbcf9d711dd02e2893ab8bf2ee1c98eb131d","source":{"kind":"arxiv","id":"2607.13361","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2607.13361","created_at":"2026-07-16T00:22:14Z"},{"alias_kind":"arxiv_version","alias_value":"2607.13361v1","created_at":"2026-07-16T00:22:14Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2607.13361","created_at":"2026-07-16T00:22:14Z"},{"alias_kind":"pith_short_12","alias_value":"LSTP73QD45L7","created_at":"2026-07-16T00:22:14Z"},{"alias_kind":"pith_short_16","alias_value":"LSTP73QD45L727G3","created_at":"2026-07-16T00:22:14Z"},{"alias_kind":"pith_short_8","alias_value":"LSTP73QD","created_at":"2026-07-16T00:22:14Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:LSTP73QD45L727G34M5GCTV3Z6","target":"record","payload":{"canonical_record":{"source":{"id":"2607.13361","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2026-07-15T00:54:35Z","cross_cats_sorted":[],"title_canon_sha256":"c0f5cf9c613f3f73b7e978a9bf7480217f571476c775918b0a0289b010c3adbb","abstract_canon_sha256":"569e398a1cc66e4645149f43988fbbbfa8b875eeb98b777737100abfa40e6ae7"},"schema_version":"1.0"},"canonical_sha256":"5ca6ffee03e757fd7cdbe33a614ebbcf9d711dd02e2893ab8bf2ee1c98eb131d","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-16T00:22:14.069017Z","signature_b64":"8OVm8sfAyAnx7V0wGP1uB4cXe9DYm1rmWs1vAvUktjJ7gePqn2hX+tdsoeAEYaQrJdugcKj//93eaqOzz91ZAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5ca6ffee03e757fd7cdbe33a614ebbcf9d711dd02e2893ab8bf2ee1c98eb131d","last_reissued_at":"2026-07-16T00:22:14.068188Z","signature_status":"signed_v1","first_computed_at":"2026-07-16T00:22:14.068188Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2607.13361","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":"2026-07-16T00:22:14Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ANi4l4cL0eYDuMs2tHDhd/4Qozv2WcqP8YSKE++OAy60wMIMIg3agf2qnisuyg3pfxF1SVXgG3m+fUeMy8ksCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-08T06:20:39.470860Z"},"content_sha256":"75cbf0d6af1a72cf83a581b108bb2523defde7e921ea7dc9cae781268b863ef4","schema_version":"1.0","event_id":"sha256:75cbf0d6af1a72cf83a581b108bb2523defde7e921ea7dc9cae781268b863ef4"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:LSTP73QD45L727G34M5GCTV3Z6","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Detector Confidence Signals Presence Rather Than Occlusion in Cluttered Manipulation","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"cs.CV","authors_text":"Yuanzhi He","submitted_at":"2026-07-15T00:54:35Z","abstract_excerpt":"Occlude a named object until about an eighth of it remains visible, and an open-vocabulary detector's confidence that the object is present barely changes; as the clutter around it grows the confidence can even rise. On real video the detector still reports the object present in 99% of occluded frames, on another instance of the same category. This matters because that confidence is widely read as a visibility signal, used to threshold detections, evaluate open-vocabulary detectors, ground language, retrieve instances, and gate active perception. We audit whether it reflects occlusion by pairi"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2607.13361","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2607.13361/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":"2026-07-16T00:22:14Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"klWc+WAm7zs0FJDrverctPanprQUehS2pYK5PEhO1s658nV7O3XhZ9ZeIcvZ80OFQ9iBe0j48eAlU/sXh10QDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-08T06:20:39.471392Z"},"content_sha256":"3eceb0e257e4250747d5245fea36ae6ef39eefd5086e4b960a5c519a1370a4a6","schema_version":"1.0","event_id":"sha256:3eceb0e257e4250747d5245fea36ae6ef39eefd5086e4b960a5c519a1370a4a6"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/LSTP73QD45L727G34M5GCTV3Z6/bundle.json","state_url":"https://pith.science/pith/LSTP73QD45L727G34M5GCTV3Z6/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/LSTP73QD45L727G34M5GCTV3Z6/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":"2026-08-08T06:20:39Z","links":{"resolver":"https://pith.science/pith/LSTP73QD45L727G34M5GCTV3Z6","bundle":"https://pith.science/pith/LSTP73QD45L727G34M5GCTV3Z6/bundle.json","state":"https://pith.science/pith/LSTP73QD45L727G34M5GCTV3Z6/state.json","well_known_bundle":"https://pith.science/.well-known/pith/LSTP73QD45L727G34M5GCTV3Z6/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:LSTP73QD45L727G34M5GCTV3Z6","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":"569e398a1cc66e4645149f43988fbbbfa8b875eeb98b777737100abfa40e6ae7","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2026-07-15T00:54:35Z","title_canon_sha256":"c0f5cf9c613f3f73b7e978a9bf7480217f571476c775918b0a0289b010c3adbb"},"schema_version":"1.0","source":{"id":"2607.13361","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2607.13361","created_at":"2026-07-16T00:22:14Z"},{"alias_kind":"arxiv_version","alias_value":"2607.13361v1","created_at":"2026-07-16T00:22:14Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2607.13361","created_at":"2026-07-16T00:22:14Z"},{"alias_kind":"pith_short_12","alias_value":"LSTP73QD45L7","created_at":"2026-07-16T00:22:14Z"},{"alias_kind":"pith_short_16","alias_value":"LSTP73QD45L727G3","created_at":"2026-07-16T00:22:14Z"},{"alias_kind":"pith_short_8","alias_value":"LSTP73QD","created_at":"2026-07-16T00:22:14Z"}],"graph_snapshots":[{"event_id":"sha256:3eceb0e257e4250747d5245fea36ae6ef39eefd5086e4b960a5c519a1370a4a6","target":"graph","created_at":"2026-07-16T00:22:14Z","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/2607.13361/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Occlude a named object until about an eighth of it remains visible, and an open-vocabulary detector's confidence that the object is present barely changes; as the clutter around it grows the confidence can even rise. On real video the detector still reports the object present in 99% of occluded frames, on another instance of the same category. This matters because that confidence is widely read as a visibility signal, used to threshold detections, evaluate open-vocabulary detectors, ground language, retrieve instances, and gate active perception. We audit whether it reflects occlusion by pairi","authors_text":"Yuanzhi He","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2026-07-15T00:54:35Z","title":"Detector Confidence Signals Presence Rather Than Occlusion in Cluttered Manipulation"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2607.13361","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":"sha256:75cbf0d6af1a72cf83a581b108bb2523defde7e921ea7dc9cae781268b863ef4","target":"record","created_at":"2026-07-16T00:22:14Z","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":"569e398a1cc66e4645149f43988fbbbfa8b875eeb98b777737100abfa40e6ae7","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2026-07-15T00:54:35Z","title_canon_sha256":"c0f5cf9c613f3f73b7e978a9bf7480217f571476c775918b0a0289b010c3adbb"},"schema_version":"1.0","source":{"id":"2607.13361","kind":"arxiv","version":1}},"canonical_sha256":"5ca6ffee03e757fd7cdbe33a614ebbcf9d711dd02e2893ab8bf2ee1c98eb131d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"5ca6ffee03e757fd7cdbe33a614ebbcf9d711dd02e2893ab8bf2ee1c98eb131d","first_computed_at":"2026-07-16T00:22:14.068188Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-16T00:22:14.068188Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"8OVm8sfAyAnx7V0wGP1uB4cXe9DYm1rmWs1vAvUktjJ7gePqn2hX+tdsoeAEYaQrJdugcKj//93eaqOzz91ZAw==","signature_status":"signed_v1","signed_at":"2026-07-16T00:22:14.069017Z","signed_message":"canonical_sha256_bytes"},"source_id":"2607.13361","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:75cbf0d6af1a72cf83a581b108bb2523defde7e921ea7dc9cae781268b863ef4","sha256:3eceb0e257e4250747d5245fea36ae6ef39eefd5086e4b960a5c519a1370a4a6"],"state_sha256":"6139fceb559f9ccd8c7f1f2e164702ff13030859dabfbdca8983950d180bdad3"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"kKJysHlAK2L+xwBIdb5axgBAKbWGbx7uh3wXySb6AGotvY+ydOhCagoLB7AU1UPmhwKUwclHq2+I8ljDo5pXDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-08T06:20:39.476131Z","bundle_sha256":"f579231f1f949f8e017e99686be6751586c7bba54a8b44b87b3563fec847222f"}}