{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:WP7CJY5GTWYF5XJ436WUMI6ZWL","short_pith_number":"pith:WP7CJY5G","canonical_record":{"source":{"id":"2605.23274","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2026-05-22T06:28:41Z","cross_cats_sorted":[],"title_canon_sha256":"6b329a63d89e4c0aa66f9f189649c8708f38a393669ba04a330b28e5ca2497b2","abstract_canon_sha256":"7ae998b9db4ae42fd0c4be151aa06b200838289a42a7381af8f237b575125029"},"schema_version":"1.0"},"canonical_sha256":"b3fe24e3a69db05edd3cdfad4623d9b2df1191deb0b470919831b366e51af433","source":{"kind":"arxiv","id":"2605.23274","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2605.23274","created_at":"2026-05-25T02:01:46Z"},{"alias_kind":"arxiv_version","alias_value":"2605.23274v1","created_at":"2026-05-25T02:01:46Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2605.23274","created_at":"2026-05-25T02:01:46Z"},{"alias_kind":"pith_short_12","alias_value":"WP7CJY5GTWYF","created_at":"2026-05-25T02:01:46Z"},{"alias_kind":"pith_short_16","alias_value":"WP7CJY5GTWYF5XJ4","created_at":"2026-05-25T02:01:46Z"},{"alias_kind":"pith_short_8","alias_value":"WP7CJY5G","created_at":"2026-05-25T02:01:46Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:WP7CJY5GTWYF5XJ436WUMI6ZWL","target":"record","payload":{"canonical_record":{"source":{"id":"2605.23274","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2026-05-22T06:28:41Z","cross_cats_sorted":[],"title_canon_sha256":"6b329a63d89e4c0aa66f9f189649c8708f38a393669ba04a330b28e5ca2497b2","abstract_canon_sha256":"7ae998b9db4ae42fd0c4be151aa06b200838289a42a7381af8f237b575125029"},"schema_version":"1.0"},"canonical_sha256":"b3fe24e3a69db05edd3cdfad4623d9b2df1191deb0b470919831b366e51af433","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-25T02:01:46.896333Z","signature_b64":"3pAlbwKOeA+MfT3N5qeqCtoQymzrxBig7/4M3MuEyB0mafack0y2Dwh2aHWUtpHncnFwa0Y6gjUf8IpnirtoCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b3fe24e3a69db05edd3cdfad4623d9b2df1191deb0b470919831b366e51af433","last_reissued_at":"2026-05-25T02:01:46.895818Z","signature_status":"signed_v1","first_computed_at":"2026-05-25T02:01:46.895818Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2605.23274","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":"2026-05-25T02:01:46Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"OVoxLPdzCcEzKAR/OXnlybpmNiVVPfGKOjrV3FiIKzNVO3YbGWqYrk8TEzEKASH2qpKJr2OK0w2Y5/BQAUJgBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T19:37:35.053817Z"},"content_sha256":"023765b56967f8ef7fb591ccded5e1f5f9ca64303b5504acc481ecdac9e69583","schema_version":"1.0","event_id":"sha256:023765b56967f8ef7fb591ccded5e1f5f9ca64303b5504acc481ecdac9e69583"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:WP7CJY5GTWYF5XJ436WUMI6ZWL","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"U-CESE: Unified Clip-based Event Search Engine for AI Challenge HCMC 2025","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.CV","authors_text":"Duc-Nhuan Le, Hoang-Phuc Nguyen, Minh-Hoang Le, Minh-Nhut Dang, Thanh-Duy Lam","submitted_at":"2026-05-22T06:28:41Z","abstract_excerpt":"Retrieving events from large-scale video datasets is challenging due to complex temporal, spatial, and multimodal information. This paper presents U-CESE, our solution for the AI Challenge HCMC 2025, a Unified Clip-based Event Search Engine for multimodal event retrieval across diverse video sources. Building on CESE, U-CESE integrates its three modules into a single cohesive framework, ensuring consistent processing and retrieval across query types. A core component is the Unified Clipping Algorithm, which merges separate clipping algorithms into one efficient pipeline. To handle large-scale "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2605.23274","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/2605.23274/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":"2026-05-25T02:01:46Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"A9WT3frCvsFpvgQc62ky46XpqGXKDRkwUz6fmBplGxuJlRYfrZBPHQbf6qXKHFudXawol6WAsZfayeiUiUY2BA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T19:37:35.054195Z"},"content_sha256":"4b7464559604384b876f1d5e6f625163017dab86a45fb7e61d13477f00655c6e","schema_version":"1.0","event_id":"sha256:4b7464559604384b876f1d5e6f625163017dab86a45fb7e61d13477f00655c6e"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/WP7CJY5GTWYF5XJ436WUMI6ZWL/bundle.json","state_url":"https://pith.science/pith/WP7CJY5GTWYF5XJ436WUMI6ZWL/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/WP7CJY5GTWYF5XJ436WUMI6ZWL/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":"2026-06-03T19:37:35Z","links":{"resolver":"https://pith.science/pith/WP7CJY5GTWYF5XJ436WUMI6ZWL","bundle":"https://pith.science/pith/WP7CJY5GTWYF5XJ436WUMI6ZWL/bundle.json","state":"https://pith.science/pith/WP7CJY5GTWYF5XJ436WUMI6ZWL/state.json","well_known_bundle":"https://pith.science/.well-known/pith/WP7CJY5GTWYF5XJ436WUMI6ZWL/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:WP7CJY5GTWYF5XJ436WUMI6ZWL","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":"7ae998b9db4ae42fd0c4be151aa06b200838289a42a7381af8f237b575125029","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2026-05-22T06:28:41Z","title_canon_sha256":"6b329a63d89e4c0aa66f9f189649c8708f38a393669ba04a330b28e5ca2497b2"},"schema_version":"1.0","source":{"id":"2605.23274","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2605.23274","created_at":"2026-05-25T02:01:46Z"},{"alias_kind":"arxiv_version","alias_value":"2605.23274v1","created_at":"2026-05-25T02:01:46Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2605.23274","created_at":"2026-05-25T02:01:46Z"},{"alias_kind":"pith_short_12","alias_value":"WP7CJY5GTWYF","created_at":"2026-05-25T02:01:46Z"},{"alias_kind":"pith_short_16","alias_value":"WP7CJY5GTWYF5XJ4","created_at":"2026-05-25T02:01:46Z"},{"alias_kind":"pith_short_8","alias_value":"WP7CJY5G","created_at":"2026-05-25T02:01:46Z"}],"graph_snapshots":[{"event_id":"sha256:4b7464559604384b876f1d5e6f625163017dab86a45fb7e61d13477f00655c6e","target":"graph","created_at":"2026-05-25T02:01:46Z","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/2605.23274/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Retrieving events from large-scale video datasets is challenging due to complex temporal, spatial, and multimodal information. This paper presents U-CESE, our solution for the AI Challenge HCMC 2025, a Unified Clip-based Event Search Engine for multimodal event retrieval across diverse video sources. Building on CESE, U-CESE integrates its three modules into a single cohesive framework, ensuring consistent processing and retrieval across query types. A core component is the Unified Clipping Algorithm, which merges separate clipping algorithms into one efficient pipeline. To handle large-scale ","authors_text":"Duc-Nhuan Le, Hoang-Phuc Nguyen, Minh-Hoang Le, Minh-Nhut Dang, Thanh-Duy Lam","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2026-05-22T06:28:41Z","title":"U-CESE: Unified Clip-based Event Search Engine for AI Challenge HCMC 2025"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2605.23274","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":"sha256:023765b56967f8ef7fb591ccded5e1f5f9ca64303b5504acc481ecdac9e69583","target":"record","created_at":"2026-05-25T02:01:46Z","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":"7ae998b9db4ae42fd0c4be151aa06b200838289a42a7381af8f237b575125029","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2026-05-22T06:28:41Z","title_canon_sha256":"6b329a63d89e4c0aa66f9f189649c8708f38a393669ba04a330b28e5ca2497b2"},"schema_version":"1.0","source":{"id":"2605.23274","kind":"arxiv","version":1}},"canonical_sha256":"b3fe24e3a69db05edd3cdfad4623d9b2df1191deb0b470919831b366e51af433","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b3fe24e3a69db05edd3cdfad4623d9b2df1191deb0b470919831b366e51af433","first_computed_at":"2026-05-25T02:01:46.895818Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-25T02:01:46.895818Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"3pAlbwKOeA+MfT3N5qeqCtoQymzrxBig7/4M3MuEyB0mafack0y2Dwh2aHWUtpHncnFwa0Y6gjUf8IpnirtoCg==","signature_status":"signed_v1","signed_at":"2026-05-25T02:01:46.896333Z","signed_message":"canonical_sha256_bytes"},"source_id":"2605.23274","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:023765b56967f8ef7fb591ccded5e1f5f9ca64303b5504acc481ecdac9e69583","sha256:4b7464559604384b876f1d5e6f625163017dab86a45fb7e61d13477f00655c6e"],"state_sha256":"5e5b7722bdf66dfff2a0d37811d8e1bbfab726c55feff45570e656444a1ddeb2"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"lJBsYsaK+KyHqWKbu3K5QDX6SjHg2s3phrKukd2oz/Bmh90KCycjXLUxhSUhScbhQ7lWvb9LF80ONJCRuT5/AQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-03T19:37:35.056224Z","bundle_sha256":"2288dabd90d15552a8b1942126386f7cef33c2037e7c6058de54c0868b2a780f"}}