{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:ALO456CD7JQPDXU5B6OUSBZJLJ","short_pith_number":"pith:ALO456CD","canonical_record":{"source":{"id":"2607.20984","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2026-07-23T07:07:28Z","cross_cats_sorted":[],"title_canon_sha256":"27fe9d31d8d82502e209d33c4d27791edc66b1ca4feba08aa62a69cf5709dd1a","abstract_canon_sha256":"6bb0f7ec4696eee2ff3f39ab251ae5ac2392a00fcd66caec6bb1086d17262359"},"schema_version":"1.0"},"canonical_sha256":"02ddcef843fa60f1de9d0f9d4907295a611348fd65b07a662559681921c84bb1","source":{"kind":"arxiv","id":"2607.20984","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2607.20984","created_at":"2026-07-24T01:23:45Z"},{"alias_kind":"arxiv_version","alias_value":"2607.20984v1","created_at":"2026-07-24T01:23:45Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2607.20984","created_at":"2026-07-24T01:23:45Z"},{"alias_kind":"pith_short_12","alias_value":"ALO456CD7JQP","created_at":"2026-07-24T01:23:45Z"},{"alias_kind":"pith_short_16","alias_value":"ALO456CD7JQPDXU5","created_at":"2026-07-24T01:23:45Z"},{"alias_kind":"pith_short_8","alias_value":"ALO456CD","created_at":"2026-07-24T01:23:45Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:ALO456CD7JQPDXU5B6OUSBZJLJ","target":"record","payload":{"canonical_record":{"source":{"id":"2607.20984","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2026-07-23T07:07:28Z","cross_cats_sorted":[],"title_canon_sha256":"27fe9d31d8d82502e209d33c4d27791edc66b1ca4feba08aa62a69cf5709dd1a","abstract_canon_sha256":"6bb0f7ec4696eee2ff3f39ab251ae5ac2392a00fcd66caec6bb1086d17262359"},"schema_version":"1.0"},"canonical_sha256":"02ddcef843fa60f1de9d0f9d4907295a611348fd65b07a662559681921c84bb1","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-24T01:23:45.497611Z","signature_b64":"HJXVppWjG4/idiDgMGRZ1JQB1WEnyW4rOPWaTicHWFH4kqruS6YKL87KPbu/MlgNQWmqSS2ls73+Xt4qxc8CBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"02ddcef843fa60f1de9d0f9d4907295a611348fd65b07a662559681921c84bb1","last_reissued_at":"2026-07-24T01:23:45.496710Z","signature_status":"signed_v1","first_computed_at":"2026-07-24T01:23:45.496710Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2607.20984","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":"2026-07-24T01:23:45Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"chA6X3Rzf+itnDyzJgteSZcwN/m16Az9YXn8moo5Qk/pzf1xJHqzQGEsFiSXf13/SBvzZH9m3U5YLd3LOdRCCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T22:57:52.941883Z"},"content_sha256":"187b01e67327b2599f0e5bc394d01026515f5c8a50c1ff7f53a5682eb519ba6a","schema_version":"1.0","event_id":"sha256:187b01e67327b2599f0e5bc394d01026515f5c8a50c1ff7f53a5682eb519ba6a"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:ALO456CD7JQPDXU5B6OUSBZJLJ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Distribution-Alignment Bridge for Uncertainty-Aware Text-to-Video Retrieval","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"cs.CV","authors_text":"Jihoon Lee, Kyeongmo Chae, Sangtae Ahn","submitted_at":"2026-07-23T07:07:28Z","abstract_excerpt":"This paper proposes the Distribution-Alignment Bridge (DAB), a framework that reconceptualizes text-to-video retrieval as a distribution alignment task rather than traditional deterministic point matching. By modeling both text and video embeddings as Gaussian distributions defined by mean and variance, DAB explicitly accounts for modality-specific uncertainty. We employ a deterministic, diffusion-inspired bridge to iteratively refine text distributions toward their target video distributions through a truncated refinement process. This approach unifies probabilistic embedding and distribution"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2607.20984","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/2607.20984/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":"2026-07-24T01:23:45Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"1aR5PddvBwwha2hQ4226q+5ZaoIlWSalyYL7EivnZ3zYy0TtZnLKqjjXWI2y0I2tBY7V0pUNgCTWb3zDcrabBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T22:57:52.942364Z"},"content_sha256":"85f21274f5a273df66c55cab8ad4931def9bec81ca3a6d69175d3dc26672b69c","schema_version":"1.0","event_id":"sha256:85f21274f5a273df66c55cab8ad4931def9bec81ca3a6d69175d3dc26672b69c"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/ALO456CD7JQPDXU5B6OUSBZJLJ/bundle.json","state_url":"https://pith.science/pith/ALO456CD7JQPDXU5B6OUSBZJLJ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/ALO456CD7JQPDXU5B6OUSBZJLJ/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":"2026-08-05T22:57:52Z","links":{"resolver":"https://pith.science/pith/ALO456CD7JQPDXU5B6OUSBZJLJ","bundle":"https://pith.science/pith/ALO456CD7JQPDXU5B6OUSBZJLJ/bundle.json","state":"https://pith.science/pith/ALO456CD7JQPDXU5B6OUSBZJLJ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/ALO456CD7JQPDXU5B6OUSBZJLJ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:ALO456CD7JQPDXU5B6OUSBZJLJ","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":"6bb0f7ec4696eee2ff3f39ab251ae5ac2392a00fcd66caec6bb1086d17262359","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2026-07-23T07:07:28Z","title_canon_sha256":"27fe9d31d8d82502e209d33c4d27791edc66b1ca4feba08aa62a69cf5709dd1a"},"schema_version":"1.0","source":{"id":"2607.20984","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2607.20984","created_at":"2026-07-24T01:23:45Z"},{"alias_kind":"arxiv_version","alias_value":"2607.20984v1","created_at":"2026-07-24T01:23:45Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2607.20984","created_at":"2026-07-24T01:23:45Z"},{"alias_kind":"pith_short_12","alias_value":"ALO456CD7JQP","created_at":"2026-07-24T01:23:45Z"},{"alias_kind":"pith_short_16","alias_value":"ALO456CD7JQPDXU5","created_at":"2026-07-24T01:23:45Z"},{"alias_kind":"pith_short_8","alias_value":"ALO456CD","created_at":"2026-07-24T01:23:45Z"}],"graph_snapshots":[{"event_id":"sha256:85f21274f5a273df66c55cab8ad4931def9bec81ca3a6d69175d3dc26672b69c","target":"graph","created_at":"2026-07-24T01:23:45Z","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/2607.20984/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"This paper proposes the Distribution-Alignment Bridge (DAB), a framework that reconceptualizes text-to-video retrieval as a distribution alignment task rather than traditional deterministic point matching. By modeling both text and video embeddings as Gaussian distributions defined by mean and variance, DAB explicitly accounts for modality-specific uncertainty. We employ a deterministic, diffusion-inspired bridge to iteratively refine text distributions toward their target video distributions through a truncated refinement process. This approach unifies probabilistic embedding and distribution","authors_text":"Jihoon Lee, Kyeongmo Chae, Sangtae Ahn","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2026-07-23T07:07:28Z","title":"Distribution-Alignment Bridge for Uncertainty-Aware Text-to-Video Retrieval"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2607.20984","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":"sha256:187b01e67327b2599f0e5bc394d01026515f5c8a50c1ff7f53a5682eb519ba6a","target":"record","created_at":"2026-07-24T01:23:45Z","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":"6bb0f7ec4696eee2ff3f39ab251ae5ac2392a00fcd66caec6bb1086d17262359","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2026-07-23T07:07:28Z","title_canon_sha256":"27fe9d31d8d82502e209d33c4d27791edc66b1ca4feba08aa62a69cf5709dd1a"},"schema_version":"1.0","source":{"id":"2607.20984","kind":"arxiv","version":1}},"canonical_sha256":"02ddcef843fa60f1de9d0f9d4907295a611348fd65b07a662559681921c84bb1","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"02ddcef843fa60f1de9d0f9d4907295a611348fd65b07a662559681921c84bb1","first_computed_at":"2026-07-24T01:23:45.496710Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-24T01:23:45.496710Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"HJXVppWjG4/idiDgMGRZ1JQB1WEnyW4rOPWaTicHWFH4kqruS6YKL87KPbu/MlgNQWmqSS2ls73+Xt4qxc8CBw==","signature_status":"signed_v1","signed_at":"2026-07-24T01:23:45.497611Z","signed_message":"canonical_sha256_bytes"},"source_id":"2607.20984","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:187b01e67327b2599f0e5bc394d01026515f5c8a50c1ff7f53a5682eb519ba6a","sha256:85f21274f5a273df66c55cab8ad4931def9bec81ca3a6d69175d3dc26672b69c"],"state_sha256":"a78d7633bfb95fed9e91fbf151b8c199a1cfa0e4f54ccdd494e91d87c77b7bac"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"p8z2wVXvCgJtxjc99dp1cbY+F6ftNyeot7OrWW/CJuheJ1sHiulTM+PUlmPwzKdKMQzBWf8h3XeeQjswEvzXBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-05T22:57:52.946065Z","bundle_sha256":"5019a5b526b5649d102f890a0a14e85580079db5a550bb29c1c41dac12347b13"}}