{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:UE7BYF3G5EAKRILNXOH657ZQIW","short_pith_number":"pith:UE7BYF3G","canonical_record":{"source":{"id":"2505.22858","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2025-05-28T20:44:14Z","cross_cats_sorted":[],"title_canon_sha256":"64264e34ce837ae091be19495cae3e2cf2f3e6b970133caf2f550e4bbc625b61","abstract_canon_sha256":"5342f9fe96f4b4e5f96231da8769f08b4308de2ee7b9ce2038db12360721bf2d"},"schema_version":"1.0"},"canonical_sha256":"a13e1c1766e900a8a16dbb8feeff304590f02fe48084e00eca4abde090f3f1cd","source":{"kind":"arxiv","id":"2505.22858","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2505.22858","created_at":"2026-07-05T11:11:50Z"},{"alias_kind":"arxiv_version","alias_value":"2505.22858v1","created_at":"2026-07-05T11:11:50Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2505.22858","created_at":"2026-07-05T11:11:50Z"},{"alias_kind":"pith_short_12","alias_value":"UE7BYF3G5EAK","created_at":"2026-07-05T11:11:50Z"},{"alias_kind":"pith_short_16","alias_value":"UE7BYF3G5EAKRILN","created_at":"2026-07-05T11:11:50Z"},{"alias_kind":"pith_short_8","alias_value":"UE7BYF3G","created_at":"2026-07-05T11:11:50Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:UE7BYF3G5EAKRILNXOH657ZQIW","target":"record","payload":{"canonical_record":{"source":{"id":"2505.22858","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2025-05-28T20:44:14Z","cross_cats_sorted":[],"title_canon_sha256":"64264e34ce837ae091be19495cae3e2cf2f3e6b970133caf2f550e4bbc625b61","abstract_canon_sha256":"5342f9fe96f4b4e5f96231da8769f08b4308de2ee7b9ce2038db12360721bf2d"},"schema_version":"1.0"},"canonical_sha256":"a13e1c1766e900a8a16dbb8feeff304590f02fe48084e00eca4abde090f3f1cd","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T11:11:50.972555Z","signature_b64":"jYtb9loDfBBmk4xFJAW0LGj3sT/C1eiL8KMygEW76HMhysefKX9eDKYf49hwxLcY58XpESVgdFhCz4HBUbSnCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a13e1c1766e900a8a16dbb8feeff304590f02fe48084e00eca4abde090f3f1cd","last_reissued_at":"2026-07-05T11:11:50.972007Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T11:11:50.972007Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2505.22858","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":"2026-07-05T11:11:50Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"szq16ICYwIEg3l8zqbsssdw2m+jBLRELAIT4zu2lDgv0a2qKcJ6YFCRuS2CZ9Jwc76uaIL3gWwK7m7dLAosVDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-10T20:19:00.588674Z"},"content_sha256":"fdd7d6e43a6664aced11048129daa4a3fcfe4f38fca2dab6fe4fd1c5b18d9d4c","schema_version":"1.0","event_id":"sha256:fdd7d6e43a6664aced11048129daa4a3fcfe4f38fca2dab6fe4fd1c5b18d9d4c"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:UE7BYF3G5EAKRILNXOH657ZQIW","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A Probabilistic Jump-Diffusion Framework for Open-World Egocentric Activity Recognition","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"cs.CV","authors_text":"Sanjoy Kundu, Sathyanarayanan N. Aakur, Shanmukha Vellamcheti","submitted_at":"2025-05-28T20:44:14Z","abstract_excerpt":"Open-world egocentric activity recognition poses a fundamental challenge due to its unconstrained nature, requiring models to infer unseen activities from an expansive, partially observed search space. We introduce ProbRes, a Probabilistic Residual search framework based on jump-diffusion that efficiently navigates this space by balancing prior-guided exploration with likelihood-driven exploitation. Our approach integrates structured commonsense priors to construct a semantically coherent search space, adaptively refines predictions using Vision-Language Models (VLMs) and employs a stochastic "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2505.22858","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/2505.22858/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":"2026-07-05T11:11:50Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"5KDso7cRL42UgSN88+MBXKAI7Av1PFaHWbtbkpQ/sLv5Hn0dDeAahosm++RSA2hLc3PF+vGozxqhh9ibT9WjDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-10T20:19:00.589221Z"},"content_sha256":"1f81cabe51975e325ca499039f19f034371e4e2b39792e4c72a43f36645506a6","schema_version":"1.0","event_id":"sha256:1f81cabe51975e325ca499039f19f034371e4e2b39792e4c72a43f36645506a6"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/UE7BYF3G5EAKRILNXOH657ZQIW/bundle.json","state_url":"https://pith.science/pith/UE7BYF3G5EAKRILNXOH657ZQIW/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/UE7BYF3G5EAKRILNXOH657ZQIW/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":"2026-08-10T20:19:00Z","links":{"resolver":"https://pith.science/pith/UE7BYF3G5EAKRILNXOH657ZQIW","bundle":"https://pith.science/pith/UE7BYF3G5EAKRILNXOH657ZQIW/bundle.json","state":"https://pith.science/pith/UE7BYF3G5EAKRILNXOH657ZQIW/state.json","well_known_bundle":"https://pith.science/.well-known/pith/UE7BYF3G5EAKRILNXOH657ZQIW/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:UE7BYF3G5EAKRILNXOH657ZQIW","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":"5342f9fe96f4b4e5f96231da8769f08b4308de2ee7b9ce2038db12360721bf2d","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2025-05-28T20:44:14Z","title_canon_sha256":"64264e34ce837ae091be19495cae3e2cf2f3e6b970133caf2f550e4bbc625b61"},"schema_version":"1.0","source":{"id":"2505.22858","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2505.22858","created_at":"2026-07-05T11:11:50Z"},{"alias_kind":"arxiv_version","alias_value":"2505.22858v1","created_at":"2026-07-05T11:11:50Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2505.22858","created_at":"2026-07-05T11:11:50Z"},{"alias_kind":"pith_short_12","alias_value":"UE7BYF3G5EAK","created_at":"2026-07-05T11:11:50Z"},{"alias_kind":"pith_short_16","alias_value":"UE7BYF3G5EAKRILN","created_at":"2026-07-05T11:11:50Z"},{"alias_kind":"pith_short_8","alias_value":"UE7BYF3G","created_at":"2026-07-05T11:11:50Z"}],"graph_snapshots":[{"event_id":"sha256:1f81cabe51975e325ca499039f19f034371e4e2b39792e4c72a43f36645506a6","target":"graph","created_at":"2026-07-05T11:11:50Z","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/2505.22858/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Open-world egocentric activity recognition poses a fundamental challenge due to its unconstrained nature, requiring models to infer unseen activities from an expansive, partially observed search space. We introduce ProbRes, a Probabilistic Residual search framework based on jump-diffusion that efficiently navigates this space by balancing prior-guided exploration with likelihood-driven exploitation. Our approach integrates structured commonsense priors to construct a semantically coherent search space, adaptively refines predictions using Vision-Language Models (VLMs) and employs a stochastic ","authors_text":"Sanjoy Kundu, Sathyanarayanan N. Aakur, Shanmukha Vellamcheti","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2025-05-28T20:44:14Z","title":"A Probabilistic Jump-Diffusion Framework for Open-World Egocentric Activity Recognition"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2505.22858","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:fdd7d6e43a6664aced11048129daa4a3fcfe4f38fca2dab6fe4fd1c5b18d9d4c","target":"record","created_at":"2026-07-05T11:11:50Z","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":"5342f9fe96f4b4e5f96231da8769f08b4308de2ee7b9ce2038db12360721bf2d","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2025-05-28T20:44:14Z","title_canon_sha256":"64264e34ce837ae091be19495cae3e2cf2f3e6b970133caf2f550e4bbc625b61"},"schema_version":"1.0","source":{"id":"2505.22858","kind":"arxiv","version":1}},"canonical_sha256":"a13e1c1766e900a8a16dbb8feeff304590f02fe48084e00eca4abde090f3f1cd","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a13e1c1766e900a8a16dbb8feeff304590f02fe48084e00eca4abde090f3f1cd","first_computed_at":"2026-07-05T11:11:50.972007Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T11:11:50.972007Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"jYtb9loDfBBmk4xFJAW0LGj3sT/C1eiL8KMygEW76HMhysefKX9eDKYf49hwxLcY58XpESVgdFhCz4HBUbSnCA==","signature_status":"signed_v1","signed_at":"2026-07-05T11:11:50.972555Z","signed_message":"canonical_sha256_bytes"},"source_id":"2505.22858","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:fdd7d6e43a6664aced11048129daa4a3fcfe4f38fca2dab6fe4fd1c5b18d9d4c","sha256:1f81cabe51975e325ca499039f19f034371e4e2b39792e4c72a43f36645506a6"],"state_sha256":"3a3b97a3b78752ef8ac68494335306de1fb9e3ef2566b84d38c41bfa34f274a1"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"MGGsHfjZ2mQTuF5QZJIwWwhFFHX2J9x8MAwV25SvxMvlRWYCOf6LMAiJWmeKMMXRRPqkEjSJ75wtjCuvR1wOCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-10T20:19:00.595448Z","bundle_sha256":"7f7bc6944576656da7a335cf601e5a156828b1adfae0e18960bf3a7a1cd39e80"}}