{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:S2N5MFLXYSTN4HAQ35SEQ6PPTP","short_pith_number":"pith:S2N5MFLX","canonical_record":{"source":{"id":"1807.05002","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CR","submitted_at":"2018-07-13T11:00:00Z","cross_cats_sorted":[],"title_canon_sha256":"d290df03b5eaaf5b34cabea6b8b6ac4e95ee639d2c9fc05bd60b906333c9a2c3","abstract_canon_sha256":"4bc52ed03a41dcdd0e15f97ee24ab5750e9f5f7d01b57c632a2e92b337d17b31"},"schema_version":"1.0"},"canonical_sha256":"969bd61577c4a6de1c10df644879ef9bd60a26331c270740dbeb7a517c2bcb91","source":{"kind":"arxiv","id":"1807.05002","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1807.05002","created_at":"2026-05-18T00:02:53Z"},{"alias_kind":"arxiv_version","alias_value":"1807.05002v2","created_at":"2026-05-18T00:02:53Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1807.05002","created_at":"2026-05-18T00:02:53Z"},{"alias_kind":"pith_short_12","alias_value":"S2N5MFLXYSTN","created_at":"2026-05-18T12:32:50Z"},{"alias_kind":"pith_short_16","alias_value":"S2N5MFLXYSTN4HAQ","created_at":"2026-05-18T12:32:50Z"},{"alias_kind":"pith_short_8","alias_value":"S2N5MFLX","created_at":"2026-05-18T12:32:50Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:S2N5MFLXYSTN4HAQ35SEQ6PPTP","target":"record","payload":{"canonical_record":{"source":{"id":"1807.05002","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CR","submitted_at":"2018-07-13T11:00:00Z","cross_cats_sorted":[],"title_canon_sha256":"d290df03b5eaaf5b34cabea6b8b6ac4e95ee639d2c9fc05bd60b906333c9a2c3","abstract_canon_sha256":"4bc52ed03a41dcdd0e15f97ee24ab5750e9f5f7d01b57c632a2e92b337d17b31"},"schema_version":"1.0"},"canonical_sha256":"969bd61577c4a6de1c10df644879ef9bd60a26331c270740dbeb7a517c2bcb91","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:02:53.146345Z","signature_b64":"0wuDwurmTaBNx2kxue0CzDuodk/RU+HKru4TtZzCQrZFWmltXS+9NfuAHqT4j8yk8MQoS4aGYyvFjAyK/YIBDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"969bd61577c4a6de1c10df644879ef9bd60a26331c270740dbeb7a517c2bcb91","last_reissued_at":"2026-05-18T00:02:53.145570Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:02:53.145570Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1807.05002","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":"2026-05-18T00:02:53Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"97HpflGsEE+e/g2Xu4zWaZ9a8ciR1wHZHIWfXlSeIZzN+7gEYGMrYSYqoE32+k8XNecf8QNvE+0uUadP/ECvAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-22T00:23:19.437473Z"},"content_sha256":"1c48aee112b53a6f6340c509873b80b010a64bac61883a8180051bc5d694918b","schema_version":"1.0","event_id":"sha256:1c48aee112b53a6f6340c509873b80b010a64bac61883a8180051bc5d694918b"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:S2N5MFLXYSTN4HAQ35SEQ6PPTP","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"ASSURED: Architecture for Secure Software Update of Realistic Embedded Devices","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.CR","authors_text":"Ahmad-Reza Sadeghi, Gene Tsudik, N. Asokan, Norrathep Rattanavipanon, Thomas Nyman","submitted_at":"2018-07-13T11:00:00Z","abstract_excerpt":"Secure firmware update is an important stage in the IoT device life-cycle. Prior techniques, designed for other computational settings, are not readily suitable for IoT devices, since they do not consider idiosyncrasies of a realistic large-scale IoT deployment. This motivates our design of ASSURED, a secure and scalable update framework for IoT. ASSURED includes all stakeholders in a typical IoT update ecosystem, while providing end-to-end security between manufacturers and devices. To demonstrate its feasibility and practicality, ASSURED is instantiated and experimentally evaluated on two co"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1807.05002","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":"2026-05-18T00:02:53Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"w4BDa2u8NNNqZ3N3BPCcBW8wcTQJOQm2vm5QZCzxphq8CXmzSKvqcAodH7Z/BT9ahkkZFX8X0ci/biZhAP3xDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-22T00:23:19.438193Z"},"content_sha256":"ca7e59640a2e92747d90afecd589cbbddc2322c8f9ab1522aab9a899d2d168dd","schema_version":"1.0","event_id":"sha256:ca7e59640a2e92747d90afecd589cbbddc2322c8f9ab1522aab9a899d2d168dd"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/S2N5MFLXYSTN4HAQ35SEQ6PPTP/bundle.json","state_url":"https://pith.science/pith/S2N5MFLXYSTN4HAQ35SEQ6PPTP/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/S2N5MFLXYSTN4HAQ35SEQ6PPTP/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":"2026-05-22T00:23:19Z","links":{"resolver":"https://pith.science/pith/S2N5MFLXYSTN4HAQ35SEQ6PPTP","bundle":"https://pith.science/pith/S2N5MFLXYSTN4HAQ35SEQ6PPTP/bundle.json","state":"https://pith.science/pith/S2N5MFLXYSTN4HAQ35SEQ6PPTP/state.json","well_known_bundle":"https://pith.science/.well-known/pith/S2N5MFLXYSTN4HAQ35SEQ6PPTP/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:S2N5MFLXYSTN4HAQ35SEQ6PPTP","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":"4bc52ed03a41dcdd0e15f97ee24ab5750e9f5f7d01b57c632a2e92b337d17b31","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CR","submitted_at":"2018-07-13T11:00:00Z","title_canon_sha256":"d290df03b5eaaf5b34cabea6b8b6ac4e95ee639d2c9fc05bd60b906333c9a2c3"},"schema_version":"1.0","source":{"id":"1807.05002","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1807.05002","created_at":"2026-05-18T00:02:53Z"},{"alias_kind":"arxiv_version","alias_value":"1807.05002v2","created_at":"2026-05-18T00:02:53Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1807.05002","created_at":"2026-05-18T00:02:53Z"},{"alias_kind":"pith_short_12","alias_value":"S2N5MFLXYSTN","created_at":"2026-05-18T12:32:50Z"},{"alias_kind":"pith_short_16","alias_value":"S2N5MFLXYSTN4HAQ","created_at":"2026-05-18T12:32:50Z"},{"alias_kind":"pith_short_8","alias_value":"S2N5MFLX","created_at":"2026-05-18T12:32:50Z"}],"graph_snapshots":[{"event_id":"sha256:ca7e59640a2e92747d90afecd589cbbddc2322c8f9ab1522aab9a899d2d168dd","target":"graph","created_at":"2026-05-18T00:02:53Z","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":"Secure firmware update is an important stage in the IoT device life-cycle. Prior techniques, designed for other computational settings, are not readily suitable for IoT devices, since they do not consider idiosyncrasies of a realistic large-scale IoT deployment. This motivates our design of ASSURED, a secure and scalable update framework for IoT. ASSURED includes all stakeholders in a typical IoT update ecosystem, while providing end-to-end security between manufacturers and devices. To demonstrate its feasibility and practicality, ASSURED is instantiated and experimentally evaluated on two co","authors_text":"Ahmad-Reza Sadeghi, Gene Tsudik, N. Asokan, Norrathep Rattanavipanon, Thomas Nyman","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CR","submitted_at":"2018-07-13T11:00:00Z","title":"ASSURED: Architecture for Secure Software Update of Realistic Embedded Devices"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1807.05002","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":"sha256:1c48aee112b53a6f6340c509873b80b010a64bac61883a8180051bc5d694918b","target":"record","created_at":"2026-05-18T00:02:53Z","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":"4bc52ed03a41dcdd0e15f97ee24ab5750e9f5f7d01b57c632a2e92b337d17b31","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CR","submitted_at":"2018-07-13T11:00:00Z","title_canon_sha256":"d290df03b5eaaf5b34cabea6b8b6ac4e95ee639d2c9fc05bd60b906333c9a2c3"},"schema_version":"1.0","source":{"id":"1807.05002","kind":"arxiv","version":2}},"canonical_sha256":"969bd61577c4a6de1c10df644879ef9bd60a26331c270740dbeb7a517c2bcb91","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"969bd61577c4a6de1c10df644879ef9bd60a26331c270740dbeb7a517c2bcb91","first_computed_at":"2026-05-18T00:02:53.145570Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:02:53.145570Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"0wuDwurmTaBNx2kxue0CzDuodk/RU+HKru4TtZzCQrZFWmltXS+9NfuAHqT4j8yk8MQoS4aGYyvFjAyK/YIBDA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:02:53.146345Z","signed_message":"canonical_sha256_bytes"},"source_id":"1807.05002","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1c48aee112b53a6f6340c509873b80b010a64bac61883a8180051bc5d694918b","sha256:ca7e59640a2e92747d90afecd589cbbddc2322c8f9ab1522aab9a899d2d168dd"],"state_sha256":"70d6155e992b4639371a9e99bca2d79024f08f413bd8490905d7bf1085f42c37"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"phbhg+zeHmQJkR5cD2MgYO6/GHvXGa8Bh/BIRlp+Q5SmOkA2f7vDMJHSFhuXWMqjQjMzewYPbf7KhrTLJmYdDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-22T00:23:19.441451Z","bundle_sha256":"15e3382873698f65cc599548f68d2bfb1cbdc0094c77deaf521de9dd29cbc04f"}}