{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:GDM6QAUK544VATWLOWUCUVN466","short_pith_number":"pith:GDM6QAUK","canonical_record":{"source":{"id":"1907.07559","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CR","submitted_at":"2019-07-17T15:01:00Z","cross_cats_sorted":["cs.LO"],"title_canon_sha256":"8db66882c449d34b5479dca46a55e13e479126b61124d12c9f72af9887ac0952","abstract_canon_sha256":"21acd28cdbeb2462b24866bc2cfdf92fa6f81769b5d7fb46b2e813ade1a49412"},"schema_version":"1.0"},"canonical_sha256":"30d9e8028aef39504ecb75a82a55bcf7be4a89563d13eac16542eeb149c7a142","source":{"kind":"arxiv","id":"1907.07559","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1907.07559","created_at":"2026-05-17T23:40:21Z"},{"alias_kind":"arxiv_version","alias_value":"1907.07559v1","created_at":"2026-05-17T23:40:21Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1907.07559","created_at":"2026-05-17T23:40:21Z"},{"alias_kind":"pith_short_12","alias_value":"GDM6QAUK544V","created_at":"2026-05-18T12:33:18Z"},{"alias_kind":"pith_short_16","alias_value":"GDM6QAUK544VATWL","created_at":"2026-05-18T12:33:18Z"},{"alias_kind":"pith_short_8","alias_value":"GDM6QAUK","created_at":"2026-05-18T12:33:18Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:GDM6QAUK544VATWLOWUCUVN466","target":"record","payload":{"canonical_record":{"source":{"id":"1907.07559","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CR","submitted_at":"2019-07-17T15:01:00Z","cross_cats_sorted":["cs.LO"],"title_canon_sha256":"8db66882c449d34b5479dca46a55e13e479126b61124d12c9f72af9887ac0952","abstract_canon_sha256":"21acd28cdbeb2462b24866bc2cfdf92fa6f81769b5d7fb46b2e813ade1a49412"},"schema_version":"1.0"},"canonical_sha256":"30d9e8028aef39504ecb75a82a55bcf7be4a89563d13eac16542eeb149c7a142","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:40:21.771773Z","signature_b64":"/1x8dP0MMoB1w0dUj7miVL5rFNuXRaE2UhMdrRXWeN7qlInxw2gFQMHTXqSvmKMG/rCNCpeSZ7KEtojCC2VTCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"30d9e8028aef39504ecb75a82a55bcf7be4a89563d13eac16542eeb149c7a142","last_reissued_at":"2026-05-17T23:40:21.770979Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:40:21.770979Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1907.07559","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":"2026-05-17T23:40:21Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"4UwDNwaT3PCFY/wd7Y60pgV3sD/2z2HlE8FlDuny33Eg3EvCJ1v/4lbX2THkGYvZsnh3QZ6Ze4MH3UYi+/vCDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-28T10:20:59.634366Z"},"content_sha256":"5fb6e832a3818830c993b02fb761451a31f92f9b7a17dff8f991ec237aada2b3","schema_version":"1.0","event_id":"sha256:5fb6e832a3818830c993b02fb761451a31f92f9b7a17dff8f991ec237aada2b3"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:GDM6QAUK544VATWLOWUCUVN466","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Inductive Analysis of the Internet Protocol TLS","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.LO"],"primary_cat":"cs.CR","authors_text":"Lawrence C. Paulson","submitted_at":"2019-07-17T15:01:00Z","abstract_excerpt":"Internet browsers use security protocols to protect sensitive messages. An inductive analysis of TLS (a descendant of SSL 3.0) has been performed using the theorem prover Isabelle. Proofs are based on higher-order logic and make no assumptions concerning beliefs or finiteness. All the obvious security goals can be proved; session resumption appears to be secure even if old session keys have been compromised. The proofs suggest minor changes to simplify the analysis. TLS, even at an abstract level, is much more complicated than most protocols that researchers have verified. Session keys are neg"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1907.07559","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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-17T23:40:21Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"NmQvpFAg6Ky8zRO1soAgNHbUEU1ajJckz322kWLRv6rN7wm/RmfxxPfKmwEBAdhIlH464KXgDyeWC0hGpEGFDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-28T10:20:59.634713Z"},"content_sha256":"0e593dbe7999c02098639197c9cd14b09003cc3249dd0d339ee8d65c3f80fa6b","schema_version":"1.0","event_id":"sha256:0e593dbe7999c02098639197c9cd14b09003cc3249dd0d339ee8d65c3f80fa6b"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/GDM6QAUK544VATWLOWUCUVN466/bundle.json","state_url":"https://pith.science/pith/GDM6QAUK544VATWLOWUCUVN466/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/GDM6QAUK544VATWLOWUCUVN466/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":"2026-06-28T10:20:59Z","links":{"resolver":"https://pith.science/pith/GDM6QAUK544VATWLOWUCUVN466","bundle":"https://pith.science/pith/GDM6QAUK544VATWLOWUCUVN466/bundle.json","state":"https://pith.science/pith/GDM6QAUK544VATWLOWUCUVN466/state.json","well_known_bundle":"https://pith.science/.well-known/pith/GDM6QAUK544VATWLOWUCUVN466/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:GDM6QAUK544VATWLOWUCUVN466","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":"21acd28cdbeb2462b24866bc2cfdf92fa6f81769b5d7fb46b2e813ade1a49412","cross_cats_sorted":["cs.LO"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CR","submitted_at":"2019-07-17T15:01:00Z","title_canon_sha256":"8db66882c449d34b5479dca46a55e13e479126b61124d12c9f72af9887ac0952"},"schema_version":"1.0","source":{"id":"1907.07559","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1907.07559","created_at":"2026-05-17T23:40:21Z"},{"alias_kind":"arxiv_version","alias_value":"1907.07559v1","created_at":"2026-05-17T23:40:21Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1907.07559","created_at":"2026-05-17T23:40:21Z"},{"alias_kind":"pith_short_12","alias_value":"GDM6QAUK544V","created_at":"2026-05-18T12:33:18Z"},{"alias_kind":"pith_short_16","alias_value":"GDM6QAUK544VATWL","created_at":"2026-05-18T12:33:18Z"},{"alias_kind":"pith_short_8","alias_value":"GDM6QAUK","created_at":"2026-05-18T12:33:18Z"}],"graph_snapshots":[{"event_id":"sha256:0e593dbe7999c02098639197c9cd14b09003cc3249dd0d339ee8d65c3f80fa6b","target":"graph","created_at":"2026-05-17T23:40:21Z","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"},"paper":{"abstract_excerpt":"Internet browsers use security protocols to protect sensitive messages. An inductive analysis of TLS (a descendant of SSL 3.0) has been performed using the theorem prover Isabelle. Proofs are based on higher-order logic and make no assumptions concerning beliefs or finiteness. All the obvious security goals can be proved; session resumption appears to be secure even if old session keys have been compromised. The proofs suggest minor changes to simplify the analysis. TLS, even at an abstract level, is much more complicated than most protocols that researchers have verified. Session keys are neg","authors_text":"Lawrence C. Paulson","cross_cats":["cs.LO"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CR","submitted_at":"2019-07-17T15:01:00Z","title":"Inductive Analysis of the Internet Protocol TLS"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1907.07559","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":"sha256:5fb6e832a3818830c993b02fb761451a31f92f9b7a17dff8f991ec237aada2b3","target":"record","created_at":"2026-05-17T23:40:21Z","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":"21acd28cdbeb2462b24866bc2cfdf92fa6f81769b5d7fb46b2e813ade1a49412","cross_cats_sorted":["cs.LO"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CR","submitted_at":"2019-07-17T15:01:00Z","title_canon_sha256":"8db66882c449d34b5479dca46a55e13e479126b61124d12c9f72af9887ac0952"},"schema_version":"1.0","source":{"id":"1907.07559","kind":"arxiv","version":1}},"canonical_sha256":"30d9e8028aef39504ecb75a82a55bcf7be4a89563d13eac16542eeb149c7a142","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"30d9e8028aef39504ecb75a82a55bcf7be4a89563d13eac16542eeb149c7a142","first_computed_at":"2026-05-17T23:40:21.770979Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:40:21.770979Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"/1x8dP0MMoB1w0dUj7miVL5rFNuXRaE2UhMdrRXWeN7qlInxw2gFQMHTXqSvmKMG/rCNCpeSZ7KEtojCC2VTCw==","signature_status":"signed_v1","signed_at":"2026-05-17T23:40:21.771773Z","signed_message":"canonical_sha256_bytes"},"source_id":"1907.07559","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:5fb6e832a3818830c993b02fb761451a31f92f9b7a17dff8f991ec237aada2b3","sha256:0e593dbe7999c02098639197c9cd14b09003cc3249dd0d339ee8d65c3f80fa6b"],"state_sha256":"3a2e85aeb2857399402fe2eb14b9e04e545747c4e6339e3f73407d3b22e95797"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"pwhGLH25f40BJAZ0e2qD/xjA/BkPxFGTLLPeVkdI7TiM9JPpb2pEmGnPrBCP6iOP6tPdjSLC+wE8wYvhd3ccCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-28T10:20:59.636625Z","bundle_sha256":"e052717541d86943ddaf63b7f757dedd1d76a5f1dc73595d613fb23b3f2834f1"}}