{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:IWDIFPARSPYOZTPMTF6SKMJ6TW","short_pith_number":"pith:IWDIFPAR","canonical_record":{"source":{"id":"2607.25041","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.IR","submitted_at":"2026-07-27T20:02:28Z","cross_cats_sorted":["cs.CR","cs.CV","cs.LG"],"title_canon_sha256":"9950f7752351e15a8e39027bc48ed1b261d4b8325e93ce02cf09265304040d8d","abstract_canon_sha256":"97ed998c7cd20c0c68512f08238946d8007c7a2b0aeec22dbc9fba6e1116bfbb"},"schema_version":"1.0"},"canonical_sha256":"458682bc1193f0eccdec997d25313e9da844f3fd30c8341e01a559e12e0b383d","source":{"kind":"arxiv","id":"2607.25041","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2607.25041","created_at":"2026-07-29T00:24:59Z"},{"alias_kind":"arxiv_version","alias_value":"2607.25041v1","created_at":"2026-07-29T00:24:59Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2607.25041","created_at":"2026-07-29T00:24:59Z"},{"alias_kind":"pith_short_12","alias_value":"IWDIFPARSPYO","created_at":"2026-07-29T00:24:59Z"},{"alias_kind":"pith_short_16","alias_value":"IWDIFPARSPYOZTPM","created_at":"2026-07-29T00:24:59Z"},{"alias_kind":"pith_short_8","alias_value":"IWDIFPAR","created_at":"2026-07-29T00:24:59Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:IWDIFPARSPYOZTPMTF6SKMJ6TW","target":"record","payload":{"canonical_record":{"source":{"id":"2607.25041","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.IR","submitted_at":"2026-07-27T20:02:28Z","cross_cats_sorted":["cs.CR","cs.CV","cs.LG"],"title_canon_sha256":"9950f7752351e15a8e39027bc48ed1b261d4b8325e93ce02cf09265304040d8d","abstract_canon_sha256":"97ed998c7cd20c0c68512f08238946d8007c7a2b0aeec22dbc9fba6e1116bfbb"},"schema_version":"1.0"},"canonical_sha256":"458682bc1193f0eccdec997d25313e9da844f3fd30c8341e01a559e12e0b383d","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-29T00:24:59.197453Z","signature_b64":"4hMtTP4bV0BPOqNxEpa98mmTypxArY04A2K5yAXxyyaIEvlXMfOyRdOD6gErHMu/ZekzA72VdrEgAezSYnP9Cg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"458682bc1193f0eccdec997d25313e9da844f3fd30c8341e01a559e12e0b383d","last_reissued_at":"2026-07-29T00:24:59.196462Z","signature_status":"signed_v1","first_computed_at":"2026-07-29T00:24:59.196462Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2607.25041","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":"2026-07-29T00:24:59Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"M79l8B65sGuX85UWj1fouXqu3NZYQbCdUUOAwYBm452OLf+VCtlUKLcZgs9dV1Q9VyWHmMU2tz9ojLEZLp5ECA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T14:05:49.289550Z"},"content_sha256":"dcf5708c1f41c771dde08928744060810b0771012d944c33b74df05eb29634f8","schema_version":"1.0","event_id":"sha256:dcf5708c1f41c771dde08928744060810b0771012d944c33b74df05eb29634f8"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:IWDIFPARSPYOZTPMTF6SKMJ6TW","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"ScoreShield: Differentially Private Release of Similarity Scores","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cs.CR","cs.CV","cs.LG"],"primary_cat":"cs.IR","authors_text":"Behrooz Razeghi, Parsa Rahimi","submitted_at":"2026-07-27T20:02:28Z","abstract_excerpt":"A growing number of applications, such as biometrics and retrieval-augmented generation (RAG), rely on cosine similarity scores computed between vector embeddings of text, images, or audio. These systems return similarity scores through their APIs for ranking and verification. However, such releases can leak information about individual records and enable membership inference attacks. While differential privacy (DP) provides a principled metric for quantifying attack risks, na\\\"ive application of DP mechanisms---such as adding i.i.d. Gaussian noise to vector entries---leads to excessive distor"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2607.25041","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/2607.25041/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":"2026-07-29T00:24:59Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"URCp7ZhXgniC/c0B3j/cr/eGLIOzJtPoZEMDDmqJ+8Snnrune/aIBepdUsb5lsvzEMO4E18IAZgnpnm3T3K8Bw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T14:05:49.289857Z"},"content_sha256":"8646e7f2f12ccb03c5592e27a26fa468f623985c4859e9b5318bd43d2ff50bf2","schema_version":"1.0","event_id":"sha256:8646e7f2f12ccb03c5592e27a26fa468f623985c4859e9b5318bd43d2ff50bf2"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/IWDIFPARSPYOZTPMTF6SKMJ6TW/bundle.json","state_url":"https://pith.science/pith/IWDIFPARSPYOZTPMTF6SKMJ6TW/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/IWDIFPARSPYOZTPMTF6SKMJ6TW/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":"2026-08-05T14:05:49Z","links":{"resolver":"https://pith.science/pith/IWDIFPARSPYOZTPMTF6SKMJ6TW","bundle":"https://pith.science/pith/IWDIFPARSPYOZTPMTF6SKMJ6TW/bundle.json","state":"https://pith.science/pith/IWDIFPARSPYOZTPMTF6SKMJ6TW/state.json","well_known_bundle":"https://pith.science/.well-known/pith/IWDIFPARSPYOZTPMTF6SKMJ6TW/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:IWDIFPARSPYOZTPMTF6SKMJ6TW","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":"97ed998c7cd20c0c68512f08238946d8007c7a2b0aeec22dbc9fba6e1116bfbb","cross_cats_sorted":["cs.CR","cs.CV","cs.LG"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.IR","submitted_at":"2026-07-27T20:02:28Z","title_canon_sha256":"9950f7752351e15a8e39027bc48ed1b261d4b8325e93ce02cf09265304040d8d"},"schema_version":"1.0","source":{"id":"2607.25041","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2607.25041","created_at":"2026-07-29T00:24:59Z"},{"alias_kind":"arxiv_version","alias_value":"2607.25041v1","created_at":"2026-07-29T00:24:59Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2607.25041","created_at":"2026-07-29T00:24:59Z"},{"alias_kind":"pith_short_12","alias_value":"IWDIFPARSPYO","created_at":"2026-07-29T00:24:59Z"},{"alias_kind":"pith_short_16","alias_value":"IWDIFPARSPYOZTPM","created_at":"2026-07-29T00:24:59Z"},{"alias_kind":"pith_short_8","alias_value":"IWDIFPAR","created_at":"2026-07-29T00:24:59Z"}],"graph_snapshots":[{"event_id":"sha256:8646e7f2f12ccb03c5592e27a26fa468f623985c4859e9b5318bd43d2ff50bf2","target":"graph","created_at":"2026-07-29T00:24:59Z","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/2607.25041/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"A growing number of applications, such as biometrics and retrieval-augmented generation (RAG), rely on cosine similarity scores computed between vector embeddings of text, images, or audio. These systems return similarity scores through their APIs for ranking and verification. However, such releases can leak information about individual records and enable membership inference attacks. While differential privacy (DP) provides a principled metric for quantifying attack risks, na\\\"ive application of DP mechanisms---such as adding i.i.d. Gaussian noise to vector entries---leads to excessive distor","authors_text":"Behrooz Razeghi, Parsa Rahimi","cross_cats":["cs.CR","cs.CV","cs.LG"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.IR","submitted_at":"2026-07-27T20:02:28Z","title":"ScoreShield: Differentially Private Release of Similarity Scores"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2607.25041","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:dcf5708c1f41c771dde08928744060810b0771012d944c33b74df05eb29634f8","target":"record","created_at":"2026-07-29T00:24:59Z","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":"97ed998c7cd20c0c68512f08238946d8007c7a2b0aeec22dbc9fba6e1116bfbb","cross_cats_sorted":["cs.CR","cs.CV","cs.LG"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.IR","submitted_at":"2026-07-27T20:02:28Z","title_canon_sha256":"9950f7752351e15a8e39027bc48ed1b261d4b8325e93ce02cf09265304040d8d"},"schema_version":"1.0","source":{"id":"2607.25041","kind":"arxiv","version":1}},"canonical_sha256":"458682bc1193f0eccdec997d25313e9da844f3fd30c8341e01a559e12e0b383d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"458682bc1193f0eccdec997d25313e9da844f3fd30c8341e01a559e12e0b383d","first_computed_at":"2026-07-29T00:24:59.196462Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-29T00:24:59.196462Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"4hMtTP4bV0BPOqNxEpa98mmTypxArY04A2K5yAXxyyaIEvlXMfOyRdOD6gErHMu/ZekzA72VdrEgAezSYnP9Cg==","signature_status":"signed_v1","signed_at":"2026-07-29T00:24:59.197453Z","signed_message":"canonical_sha256_bytes"},"source_id":"2607.25041","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:dcf5708c1f41c771dde08928744060810b0771012d944c33b74df05eb29634f8","sha256:8646e7f2f12ccb03c5592e27a26fa468f623985c4859e9b5318bd43d2ff50bf2"],"state_sha256":"19489a35cc05a4bb9d24bdb7ab16bf37d0f92ea012d298d5ca9252c53d170f76"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"8YgztROA3rIjiLIHnw4hE+Vox0bLHxG2LxfAQ0ktiEGXEvmCSETfq3QYmlZnGmrUQHUejnQLMDGKTvTd4PykCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-05T14:05:49.293382Z","bundle_sha256":"fdda63b3cb7a1b226b0b2fdd18665fed825305621153c773e3c592d180b50bb3"}}