{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:HPHLHMNBVAT2W6BRMMI42OBPJP","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":"ab79f8196f013abf6a9746e2ca2808bf466cc530184db90b2fbbd479228b2e92","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CR","submitted_at":"2016-07-07T23:00:25Z","title_canon_sha256":"34b587a09a19d18a031818c8843d8c2884b38bef04422bfb6116dfde5195952f"},"schema_version":"1.0","source":{"id":"1607.02192","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1607.02192","created_at":"2026-05-18T00:55:57Z"},{"alias_kind":"arxiv_version","alias_value":"1607.02192v2","created_at":"2026-05-18T00:55:57Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1607.02192","created_at":"2026-05-18T00:55:57Z"},{"alias_kind":"pith_short_12","alias_value":"HPHLHMNBVAT2","created_at":"2026-05-18T12:30:19Z"},{"alias_kind":"pith_short_16","alias_value":"HPHLHMNBVAT2W6BR","created_at":"2026-05-18T12:30:19Z"},{"alias_kind":"pith_short_8","alias_value":"HPHLHMNB","created_at":"2026-05-18T12:30:19Z"}],"graph_snapshots":[{"event_id":"sha256:013fa079f40d5582759f7642f764a8153b958a80bc3e7882917bde00424bef58","target":"graph","created_at":"2026-05-18T00:55:57Z","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":"In this tutorial, we present an authorization model for distributed systems that operate with limited internet connectivity. Reliable internet access remains a luxury for a majority of the world's population. Even for those who can afford it, a dependence on internet connectivity may lead to sub-optimal user experiences. With a focus on decentralized deployment, we present an authorization model that is suitable for scenarios where devices right next to each other (such as a sensor or a friend's phone) should be able to communicate securely in a peer-to-peer manner. The model has been deployed","authors_text":"Andres Erbsen, Ankur Taly, Asim Shankar","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CR","submitted_at":"2016-07-07T23:00:25Z","title":"Distributed Authorization in Vanadium"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1607.02192","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:bda1eb68028b94b21a40476564b10d7f6143bd8ff99f570a609d594e73bdeff8","target":"record","created_at":"2026-05-18T00:55:57Z","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":"ab79f8196f013abf6a9746e2ca2808bf466cc530184db90b2fbbd479228b2e92","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CR","submitted_at":"2016-07-07T23:00:25Z","title_canon_sha256":"34b587a09a19d18a031818c8843d8c2884b38bef04422bfb6116dfde5195952f"},"schema_version":"1.0","source":{"id":"1607.02192","kind":"arxiv","version":2}},"canonical_sha256":"3bceb3b1a1a827ab78316311cd382f4bd28a61ad4fed17ec885e1d20acdb0fd5","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"3bceb3b1a1a827ab78316311cd382f4bd28a61ad4fed17ec885e1d20acdb0fd5","first_computed_at":"2026-05-18T00:55:57.854431Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:55:57.854431Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"VbGd+VjAgqOU1OJXnBE7jmjdhN4dVLvplIj57KaA1qoQZVwi1uG+yKQMbSkfvW8TqzCdcUewev5bXrRKgWWoCA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:55:57.854829Z","signed_message":"canonical_sha256_bytes"},"source_id":"1607.02192","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:bda1eb68028b94b21a40476564b10d7f6143bd8ff99f570a609d594e73bdeff8","sha256:013fa079f40d5582759f7642f764a8153b958a80bc3e7882917bde00424bef58"],"state_sha256":"74adbdd0ba6a6582eb2ee75adfcbe1b94cd7d6fa8dfb6baa4a496044346d5f3c"}