{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:2FV6ZZ4XNLSG3JOKQSHKODI6VX","short_pith_number":"pith:2FV6ZZ4X","canonical_record":{"source":{"id":"2607.00428","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2026-07-01T04:40:11Z","cross_cats_sorted":[],"title_canon_sha256":"a62cc058e7a8e3e715ebac366713c390b35dea7539ebe26f719684709633e94d","abstract_canon_sha256":"3c94f6ab4993cffecaf289463d37f2bbb87589b09822fa2cd0693f68145f9761"},"schema_version":"1.0"},"canonical_sha256":"d16bece7976ae46da5ca848ea70d1eaded4ce3d1c2e2cf7907c0669d77aa2da5","source":{"kind":"arxiv","id":"2607.00428","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2607.00428","created_at":"2026-07-02T01:17:43Z"},{"alias_kind":"arxiv_version","alias_value":"2607.00428v1","created_at":"2026-07-02T01:17:43Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2607.00428","created_at":"2026-07-02T01:17:43Z"},{"alias_kind":"pith_short_12","alias_value":"2FV6ZZ4XNLSG","created_at":"2026-07-02T01:17:43Z"},{"alias_kind":"pith_short_16","alias_value":"2FV6ZZ4XNLSG3JOK","created_at":"2026-07-02T01:17:43Z"},{"alias_kind":"pith_short_8","alias_value":"2FV6ZZ4X","created_at":"2026-07-02T01:17:43Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:2FV6ZZ4XNLSG3JOKQSHKODI6VX","target":"record","payload":{"canonical_record":{"source":{"id":"2607.00428","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2026-07-01T04:40:11Z","cross_cats_sorted":[],"title_canon_sha256":"a62cc058e7a8e3e715ebac366713c390b35dea7539ebe26f719684709633e94d","abstract_canon_sha256":"3c94f6ab4993cffecaf289463d37f2bbb87589b09822fa2cd0693f68145f9761"},"schema_version":"1.0"},"canonical_sha256":"d16bece7976ae46da5ca848ea70d1eaded4ce3d1c2e2cf7907c0669d77aa2da5","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-02T01:17:43.060433Z","signature_b64":"eHxgDOwas0mWmM+muE2eDDluPpO/HnBWH/jCorvTre/Gvd0wOoth+MIGpVcFLqhN52xeev4WC9qTfZ1bnDdICw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d16bece7976ae46da5ca848ea70d1eaded4ce3d1c2e2cf7907c0669d77aa2da5","last_reissued_at":"2026-07-02T01:17:43.060080Z","signature_status":"signed_v1","first_computed_at":"2026-07-02T01:17:43.060080Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2607.00428","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":"2026-07-02T01:17:43Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"wJily5eJS5vbKx4dTzEpzm9W/Y+MB3nU7FY+t77QVJ+wvKc9y6di54KwQX3ftaHmE7/sahayrxtpWMiOtNp8DA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-03T15:03:12.168870Z"},"content_sha256":"c3d770d015f6db8855bb7dd1706800d05f6d54fb3e63beaeb4528c929a19bf5d","schema_version":"1.0","event_id":"sha256:c3d770d015f6db8855bb7dd1706800d05f6d54fb3e63beaeb4528c929a19bf5d"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:2FV6ZZ4XNLSG3JOKQSHKODI6VX","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"HyFL-CLIP: Hyperbolic Fine-Tuning of CLIP for Robust Long-Context Understanding","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.CV","authors_text":"Chulwon Lee, Hayeon Kim, Ji Ha Jang, Junghun James Kim, Se Young Chun","submitted_at":"2026-07-01T04:40:11Z","abstract_excerpt":"CLIP (Contrastive Language-Image Pre-training) has become a de facto paradigm for image-text alignment, but it struggles with long-context descriptions (>77 tokens) due to absolute positional encoding and pretraining on short captions. In long contexts, sentences are often reordered, summarized, or partially omitted. Although prior works extend CLIP with longer positional encodings, they often suffer from degraded image-text alignment under such text perturbations. We attribute this limitation to the Euclidean contrastive objective, which enforces strict one-to-one matching and lacks explicit "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2607.00428","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/2607.00428/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":"2026-07-02T01:17:43Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"WPzukvkpfXBh7Ho2pGhuZnDwKEQsL4U0zgHJ8+ggZ1IznvTUQfBshVW5Xc54pAN5E7tRcwrFaI5A1ZzPGsajBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-03T15:03:12.169232Z"},"content_sha256":"a9b2561f9dc505b44e2f1c09f0c758b5f8fdfd425d59485fd21979ae393cd820","schema_version":"1.0","event_id":"sha256:a9b2561f9dc505b44e2f1c09f0c758b5f8fdfd425d59485fd21979ae393cd820"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/2FV6ZZ4XNLSG3JOKQSHKODI6VX/bundle.json","state_url":"https://pith.science/pith/2FV6ZZ4XNLSG3JOKQSHKODI6VX/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/2FV6ZZ4XNLSG3JOKQSHKODI6VX/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":"2026-07-03T15:03:12Z","links":{"resolver":"https://pith.science/pith/2FV6ZZ4XNLSG3JOKQSHKODI6VX","bundle":"https://pith.science/pith/2FV6ZZ4XNLSG3JOKQSHKODI6VX/bundle.json","state":"https://pith.science/pith/2FV6ZZ4XNLSG3JOKQSHKODI6VX/state.json","well_known_bundle":"https://pith.science/.well-known/pith/2FV6ZZ4XNLSG3JOKQSHKODI6VX/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:2FV6ZZ4XNLSG3JOKQSHKODI6VX","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":"3c94f6ab4993cffecaf289463d37f2bbb87589b09822fa2cd0693f68145f9761","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2026-07-01T04:40:11Z","title_canon_sha256":"a62cc058e7a8e3e715ebac366713c390b35dea7539ebe26f719684709633e94d"},"schema_version":"1.0","source":{"id":"2607.00428","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2607.00428","created_at":"2026-07-02T01:17:43Z"},{"alias_kind":"arxiv_version","alias_value":"2607.00428v1","created_at":"2026-07-02T01:17:43Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2607.00428","created_at":"2026-07-02T01:17:43Z"},{"alias_kind":"pith_short_12","alias_value":"2FV6ZZ4XNLSG","created_at":"2026-07-02T01:17:43Z"},{"alias_kind":"pith_short_16","alias_value":"2FV6ZZ4XNLSG3JOK","created_at":"2026-07-02T01:17:43Z"},{"alias_kind":"pith_short_8","alias_value":"2FV6ZZ4X","created_at":"2026-07-02T01:17:43Z"}],"graph_snapshots":[{"event_id":"sha256:a9b2561f9dc505b44e2f1c09f0c758b5f8fdfd425d59485fd21979ae393cd820","target":"graph","created_at":"2026-07-02T01:17:43Z","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/2607.00428/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"CLIP (Contrastive Language-Image Pre-training) has become a de facto paradigm for image-text alignment, but it struggles with long-context descriptions (>77 tokens) due to absolute positional encoding and pretraining on short captions. In long contexts, sentences are often reordered, summarized, or partially omitted. Although prior works extend CLIP with longer positional encodings, they often suffer from degraded image-text alignment under such text perturbations. We attribute this limitation to the Euclidean contrastive objective, which enforces strict one-to-one matching and lacks explicit ","authors_text":"Chulwon Lee, Hayeon Kim, Ji Ha Jang, Junghun James Kim, Se Young Chun","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2026-07-01T04:40:11Z","title":"HyFL-CLIP: Hyperbolic Fine-Tuning of CLIP for Robust Long-Context Understanding"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2607.00428","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:c3d770d015f6db8855bb7dd1706800d05f6d54fb3e63beaeb4528c929a19bf5d","target":"record","created_at":"2026-07-02T01:17:43Z","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":"3c94f6ab4993cffecaf289463d37f2bbb87589b09822fa2cd0693f68145f9761","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2026-07-01T04:40:11Z","title_canon_sha256":"a62cc058e7a8e3e715ebac366713c390b35dea7539ebe26f719684709633e94d"},"schema_version":"1.0","source":{"id":"2607.00428","kind":"arxiv","version":1}},"canonical_sha256":"d16bece7976ae46da5ca848ea70d1eaded4ce3d1c2e2cf7907c0669d77aa2da5","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d16bece7976ae46da5ca848ea70d1eaded4ce3d1c2e2cf7907c0669d77aa2da5","first_computed_at":"2026-07-02T01:17:43.060080Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-02T01:17:43.060080Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"eHxgDOwas0mWmM+muE2eDDluPpO/HnBWH/jCorvTre/Gvd0wOoth+MIGpVcFLqhN52xeev4WC9qTfZ1bnDdICw==","signature_status":"signed_v1","signed_at":"2026-07-02T01:17:43.060433Z","signed_message":"canonical_sha256_bytes"},"source_id":"2607.00428","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c3d770d015f6db8855bb7dd1706800d05f6d54fb3e63beaeb4528c929a19bf5d","sha256:a9b2561f9dc505b44e2f1c09f0c758b5f8fdfd425d59485fd21979ae393cd820"],"state_sha256":"694cc309577d878eb20c82ce0641c2e5af9b2b8bce0a9a940d7530546095ca14"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"X5ZOSCtspydXmCotN56ZUT1Ng/cuKiyVHH+NUF1EDyByrxHwgdfPezEpvVyzngiOF/M2o87NiegH235qqtR4DQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-03T15:03:12.171177Z","bundle_sha256":"fc39350de4c52ff4cc66bccf6e6bb68155a6d8ed07b82b9033f6c65f2a69a1a1"}}