{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2015:3T7PLF2XQCQ5HE7LN4H5C72W2W","short_pith_number":"pith:3T7PLF2X","schema_version":"1.0","canonical_sha256":"dcfef5975780a1d393eb6f0fd17f56d59bf35ee2f8dff50ab37ef66250e0f5fd","source":{"kind":"arxiv","id":"1508.01719","version":1},"attestation_state":"computed","paper":{"title":"SPRESSO: A Secure, Privacy-Respecting Single Sign-On System for the Web","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.CR","authors_text":"Daniel Fett, Guido Schmitz, Ralf Kuesters","submitted_at":"2015-08-07T15:12:53Z","abstract_excerpt":"Single sign-on (SSO) systems, such as OpenID and OAuth, allow web sites, so-called relying parties (RPs), to delegate user authentication to identity providers (IdPs), such as Facebook or Google. These systems are very popular, as they provide a convenient means for users to log in at RPs and move much of the burden of user authentication from RPs to IdPs.\n  There is, however, a downside to current systems, as they do not respect users' privacy: IdPs learn at which RP a user logs in. With one exception, namely Mozilla's BrowserID system (a.k.a. Mozilla Persona), current SSO systems were not ev"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"1508.01719","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CR","submitted_at":"2015-08-07T15:12:53Z","cross_cats_sorted":[],"title_canon_sha256":"85fc49ad19a5427dd7a34a28c25712d3ce11db545e151a844637040b60a74e43","abstract_canon_sha256":"c5db24f01c22a22f4373bc11e41477929fb2bc002b9b10bcc1f03d5a3e88c020"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:35:38.924212Z","signature_b64":"+4XTNnBGfzK+MT9HVaCir6kpCzWAaelJlnCIcpWaq6esWCuL81DsZPA1KCWsC/DM1S8jgzZSXai9NIiGpYAJBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"dcfef5975780a1d393eb6f0fd17f56d59bf35ee2f8dff50ab37ef66250e0f5fd","last_reissued_at":"2026-05-18T01:35:38.923571Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:35:38.923571Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"SPRESSO: A Secure, Privacy-Respecting Single Sign-On System for the Web","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.CR","authors_text":"Daniel Fett, Guido Schmitz, Ralf Kuesters","submitted_at":"2015-08-07T15:12:53Z","abstract_excerpt":"Single sign-on (SSO) systems, such as OpenID and OAuth, allow web sites, so-called relying parties (RPs), to delegate user authentication to identity providers (IdPs), such as Facebook or Google. These systems are very popular, as they provide a convenient means for users to log in at RPs and move much of the burden of user authentication from RPs to IdPs.\n  There is, however, a downside to current systems, as they do not respect users' privacy: IdPs learn at which RP a user logs in. With one exception, namely Mozilla's BrowserID system (a.k.a. Mozilla Persona), current SSO systems were not ev"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1508.01719","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":""},"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"},"aliases":[{"alias_kind":"arxiv","alias_value":"1508.01719","created_at":"2026-05-18T01:35:38.923710+00:00"},{"alias_kind":"arxiv_version","alias_value":"1508.01719v1","created_at":"2026-05-18T01:35:38.923710+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1508.01719","created_at":"2026-05-18T01:35:38.923710+00:00"},{"alias_kind":"pith_short_12","alias_value":"3T7PLF2XQCQ5","created_at":"2026-05-18T12:29:02.477457+00:00"},{"alias_kind":"pith_short_16","alias_value":"3T7PLF2XQCQ5HE7L","created_at":"2026-05-18T12:29:02.477457+00:00"},{"alias_kind":"pith_short_8","alias_value":"3T7PLF2X","created_at":"2026-05-18T12:29:02.477457+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/3T7PLF2XQCQ5HE7LN4H5C72W2W","json":"https://pith.science/pith/3T7PLF2XQCQ5HE7LN4H5C72W2W.json","graph_json":"https://pith.science/api/pith-number/3T7PLF2XQCQ5HE7LN4H5C72W2W/graph.json","events_json":"https://pith.science/api/pith-number/3T7PLF2XQCQ5HE7LN4H5C72W2W/events.json","paper":"https://pith.science/paper/3T7PLF2X"},"agent_actions":{"view_html":"https://pith.science/pith/3T7PLF2XQCQ5HE7LN4H5C72W2W","download_json":"https://pith.science/pith/3T7PLF2XQCQ5HE7LN4H5C72W2W.json","view_paper":"https://pith.science/paper/3T7PLF2X","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1508.01719&json=true","fetch_graph":"https://pith.science/api/pith-number/3T7PLF2XQCQ5HE7LN4H5C72W2W/graph.json","fetch_events":"https://pith.science/api/pith-number/3T7PLF2XQCQ5HE7LN4H5C72W2W/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/3T7PLF2XQCQ5HE7LN4H5C72W2W/action/timestamp_anchor","attest_storage":"https://pith.science/pith/3T7PLF2XQCQ5HE7LN4H5C72W2W/action/storage_attestation","attest_author":"https://pith.science/pith/3T7PLF2XQCQ5HE7LN4H5C72W2W/action/author_attestation","sign_citation":"https://pith.science/pith/3T7PLF2XQCQ5HE7LN4H5C72W2W/action/citation_signature","submit_replication":"https://pith.science/pith/3T7PLF2XQCQ5HE7LN4H5C72W2W/action/replication_record"}},"created_at":"2026-05-18T01:35:38.923710+00:00","updated_at":"2026-05-18T01:35:38.923710+00:00"}