{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:GE7BO22FL6EH3U2W2KHODYTA4P","short_pith_number":"pith:GE7BO22F","canonical_record":{"source":{"id":"1510.04629","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CR","submitted_at":"2015-10-15T17:03:53Z","cross_cats_sorted":["cs.LO"],"title_canon_sha256":"a1794f866d46af20f4b713769f07416f21b712ba7106af479e3f0cf35ee83b24","abstract_canon_sha256":"f5cb8b3e634df518f1accfe0c173d942b89c52f0a6f1e9af8be42cbfb69ec6ae"},"schema_version":"1.0"},"canonical_sha256":"313e176b455f887dd356d28ee1e260e3c7d8216443b4a5073a6ee8391f1005b6","source":{"kind":"arxiv","id":"1510.04629","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1510.04629","created_at":"2026-05-18T01:30:00Z"},{"alias_kind":"arxiv_version","alias_value":"1510.04629v2","created_at":"2026-05-18T01:30:00Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1510.04629","created_at":"2026-05-18T01:30:00Z"},{"alias_kind":"pith_short_12","alias_value":"GE7BO22FL6EH","created_at":"2026-05-18T12:29:22Z"},{"alias_kind":"pith_short_16","alias_value":"GE7BO22FL6EH3U2W","created_at":"2026-05-18T12:29:22Z"},{"alias_kind":"pith_short_8","alias_value":"GE7BO22F","created_at":"2026-05-18T12:29:22Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:GE7BO22FL6EH3U2W2KHODYTA4P","target":"record","payload":{"canonical_record":{"source":{"id":"1510.04629","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CR","submitted_at":"2015-10-15T17:03:53Z","cross_cats_sorted":["cs.LO"],"title_canon_sha256":"a1794f866d46af20f4b713769f07416f21b712ba7106af479e3f0cf35ee83b24","abstract_canon_sha256":"f5cb8b3e634df518f1accfe0c173d942b89c52f0a6f1e9af8be42cbfb69ec6ae"},"schema_version":"1.0"},"canonical_sha256":"313e176b455f887dd356d28ee1e260e3c7d8216443b4a5073a6ee8391f1005b6","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:30:00.693653Z","signature_b64":"J7libQcy6Yoao8DRi1nGd9Ct0iCtnjn+NIew5kN4SAtKXc+8ziZmD0JatVQiitYPZ7e3hND+WOT3enBrBapADA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"313e176b455f887dd356d28ee1e260e3c7d8216443b4a5073a6ee8391f1005b6","last_reissued_at":"2026-05-18T01:30:00.693234Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:30:00.693234Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1510.04629","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:30:00Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+j+fIlynZR+cWK0QbJPUwsvtBND5z/dsj+cFsaIvgP/N2WJQzE5w/y5dURHsRNptYMd+Lfs1/eGBYoQzeKN9Ag==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-30T19:54:40.059773Z"},"content_sha256":"ab0a6d5a1c6b0f6bcffbcc98a22ff26be4aaefe41edae9a8de195a815e09b2bf","schema_version":"1.0","event_id":"sha256:ab0a6d5a1c6b0f6bcffbcc98a22ff26be4aaefe41edae9a8de195a815e09b2bf"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:GE7BO22FL6EH3U2W2KHODYTA4P","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"SAFE: A Declarative Trust Management System with Linked Credentials","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.LO"],"primary_cat":"cs.CR","authors_text":"Jeff Chase, Vamsi Thummala","submitted_at":"2015-10-15T17:03:53Z","abstract_excerpt":"We present SAFE, an integrated system for managing trust using a logic-based declarative language. Logical trust systems authorize each request by constructing a proof from a context---a set of authenticated logic statements representing credentials and policies issued by various principals in a networked system.\n  A key barrier to practical use of logical trust systems is the problem of managing proof contexts: identifying, validating, and assembling the credentials and policies that are relevant to each trust decision. This paper describes a new approach to managing proof contexts using cont"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1510.04629","kind":"arxiv","version":2},"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":"2026-05-18T01:30:00Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"n911vl2zf2wAbRXKmvp0wP9KOuXS5FSBHirnUMNgh4g63rea/N19rpbMkm4/B7Om7/SNDSumkJBV+gsZlJREDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-30T19:54:40.060116Z"},"content_sha256":"2a410d4e08a729b8f54c98c49997b4781fb000eb9612b3af6d4ee773a18a0176","schema_version":"1.0","event_id":"sha256:2a410d4e08a729b8f54c98c49997b4781fb000eb9612b3af6d4ee773a18a0176"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/GE7BO22FL6EH3U2W2KHODYTA4P/bundle.json","state_url":"https://pith.science/pith/GE7BO22FL6EH3U2W2KHODYTA4P/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/GE7BO22FL6EH3U2W2KHODYTA4P/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":"2026-06-30T19:54:40Z","links":{"resolver":"https://pith.science/pith/GE7BO22FL6EH3U2W2KHODYTA4P","bundle":"https://pith.science/pith/GE7BO22FL6EH3U2W2KHODYTA4P/bundle.json","state":"https://pith.science/pith/GE7BO22FL6EH3U2W2KHODYTA4P/state.json","well_known_bundle":"https://pith.science/.well-known/pith/GE7BO22FL6EH3U2W2KHODYTA4P/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:GE7BO22FL6EH3U2W2KHODYTA4P","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":"f5cb8b3e634df518f1accfe0c173d942b89c52f0a6f1e9af8be42cbfb69ec6ae","cross_cats_sorted":["cs.LO"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CR","submitted_at":"2015-10-15T17:03:53Z","title_canon_sha256":"a1794f866d46af20f4b713769f07416f21b712ba7106af479e3f0cf35ee83b24"},"schema_version":"1.0","source":{"id":"1510.04629","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1510.04629","created_at":"2026-05-18T01:30:00Z"},{"alias_kind":"arxiv_version","alias_value":"1510.04629v2","created_at":"2026-05-18T01:30:00Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1510.04629","created_at":"2026-05-18T01:30:00Z"},{"alias_kind":"pith_short_12","alias_value":"GE7BO22FL6EH","created_at":"2026-05-18T12:29:22Z"},{"alias_kind":"pith_short_16","alias_value":"GE7BO22FL6EH3U2W","created_at":"2026-05-18T12:29:22Z"},{"alias_kind":"pith_short_8","alias_value":"GE7BO22F","created_at":"2026-05-18T12:29:22Z"}],"graph_snapshots":[{"event_id":"sha256:2a410d4e08a729b8f54c98c49997b4781fb000eb9612b3af6d4ee773a18a0176","target":"graph","created_at":"2026-05-18T01:30:00Z","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":"We present SAFE, an integrated system for managing trust using a logic-based declarative language. Logical trust systems authorize each request by constructing a proof from a context---a set of authenticated logic statements representing credentials and policies issued by various principals in a networked system.\n  A key barrier to practical use of logical trust systems is the problem of managing proof contexts: identifying, validating, and assembling the credentials and policies that are relevant to each trust decision. This paper describes a new approach to managing proof contexts using cont","authors_text":"Jeff Chase, Vamsi Thummala","cross_cats":["cs.LO"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CR","submitted_at":"2015-10-15T17:03:53Z","title":"SAFE: A Declarative Trust Management System with Linked Credentials"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1510.04629","kind":"arxiv","version":2},"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:ab0a6d5a1c6b0f6bcffbcc98a22ff26be4aaefe41edae9a8de195a815e09b2bf","target":"record","created_at":"2026-05-18T01:30:00Z","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":"f5cb8b3e634df518f1accfe0c173d942b89c52f0a6f1e9af8be42cbfb69ec6ae","cross_cats_sorted":["cs.LO"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CR","submitted_at":"2015-10-15T17:03:53Z","title_canon_sha256":"a1794f866d46af20f4b713769f07416f21b712ba7106af479e3f0cf35ee83b24"},"schema_version":"1.0","source":{"id":"1510.04629","kind":"arxiv","version":2}},"canonical_sha256":"313e176b455f887dd356d28ee1e260e3c7d8216443b4a5073a6ee8391f1005b6","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"313e176b455f887dd356d28ee1e260e3c7d8216443b4a5073a6ee8391f1005b6","first_computed_at":"2026-05-18T01:30:00.693234Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:30:00.693234Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"J7libQcy6Yoao8DRi1nGd9Ct0iCtnjn+NIew5kN4SAtKXc+8ziZmD0JatVQiitYPZ7e3hND+WOT3enBrBapADA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:30:00.693653Z","signed_message":"canonical_sha256_bytes"},"source_id":"1510.04629","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ab0a6d5a1c6b0f6bcffbcc98a22ff26be4aaefe41edae9a8de195a815e09b2bf","sha256:2a410d4e08a729b8f54c98c49997b4781fb000eb9612b3af6d4ee773a18a0176"],"state_sha256":"1085e81d3cef912f04016a39b45ca6c18a24e6bf7ee4836bb1c039c248b730e9"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"m4PnS8aw66DfhDVKx2GTGGQB3bUbeE4oFHq179eVTz9jmvgZtd9AIb7MvebWhkT4WaLqO4KzTGOePa2NMns/Ag==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-30T19:54:40.062530Z","bundle_sha256":"0b63ef5e91284f3c810267be12abadccf0f423800d6e9f2d779bf1e8d5bfa6f8"}}