{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:ETPRGQRY6JZXBUYP2UDAAC6SX2","short_pith_number":"pith:ETPRGQRY","canonical_record":{"source":{"id":"1906.12143","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.NI","submitted_at":"2019-06-28T11:34:47Z","cross_cats_sorted":[],"title_canon_sha256":"c9e8d345e1efc3eb34bd70fa9db1a00ced6c2b1887cab4b31a529542cb671ea1","abstract_canon_sha256":"bace6725851ebdadee5583fdab65e445615d5e8f8f7a6e4902ef0bbf167f9f01"},"schema_version":"1.0"},"canonical_sha256":"24df134238f27370d30fd506000bd2be85a5b607808b51d89d153aaa9c7a0c7b","source":{"kind":"arxiv","id":"1906.12143","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1906.12143","created_at":"2026-05-17T23:41:59Z"},{"alias_kind":"arxiv_version","alias_value":"1906.12143v1","created_at":"2026-05-17T23:41:59Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1906.12143","created_at":"2026-05-17T23:41:59Z"},{"alias_kind":"pith_short_12","alias_value":"ETPRGQRY6JZX","created_at":"2026-05-18T12:33:15Z"},{"alias_kind":"pith_short_16","alias_value":"ETPRGQRY6JZXBUYP","created_at":"2026-05-18T12:33:15Z"},{"alias_kind":"pith_short_8","alias_value":"ETPRGQRY","created_at":"2026-05-18T12:33:15Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:ETPRGQRY6JZXBUYP2UDAAC6SX2","target":"record","payload":{"canonical_record":{"source":{"id":"1906.12143","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.NI","submitted_at":"2019-06-28T11:34:47Z","cross_cats_sorted":[],"title_canon_sha256":"c9e8d345e1efc3eb34bd70fa9db1a00ced6c2b1887cab4b31a529542cb671ea1","abstract_canon_sha256":"bace6725851ebdadee5583fdab65e445615d5e8f8f7a6e4902ef0bbf167f9f01"},"schema_version":"1.0"},"canonical_sha256":"24df134238f27370d30fd506000bd2be85a5b607808b51d89d153aaa9c7a0c7b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:41:59.157531Z","signature_b64":"zrVvFLNEcStd5FElvBbv1gjg/+vicYxBxFsiOmS3lhJbFHRd36tI7txAkq4iE0dyVZks3SKfBWtq2Ttf/kAAAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"24df134238f27370d30fd506000bd2be85a5b607808b51d89d153aaa9c7a0c7b","last_reissued_at":"2026-05-17T23:41:59.157152Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:41:59.157152Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1906.12143","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":"2026-05-17T23:41:59Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"fNz6bpzliUonmHzKZzK/FYrTwwEQpdQiGC3HKd6oXCmq0K1vUINx/ViBOH1gyEF32PLDdgAjCGSgizVF33/TBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T22:37:27.923118Z"},"content_sha256":"adf46d8745497fa578ab09c5b298b6adf9082f9e497d8b073ecf9f4de493bb7d","schema_version":"1.0","event_id":"sha256:adf46d8745497fa578ab09c5b298b6adf9082f9e497d8b073ecf9f4de493bb7d"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:ETPRGQRY6JZXBUYP2UDAAC6SX2","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A DTLS Abstraction Layer for the Recursive Networking Architecture in RIOT","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.NI","authors_text":"M. Aiman Ismail, Thomas C. Schmidt","submitted_at":"2019-06-28T11:34:47Z","abstract_excerpt":"On the Internet of Things (IoT), devices continuously communicate with each other, with a gateway, or other Internet nodes. Often devices are constrained and use insecure channels for their communication, which exposes them to a selection of attacks that may extract sensitive pieces of information or manipulate dialogues for the purpose of sabotaging.\n  This paper presents a new layer in the RIOT networking architecture to seamlessly integrate secure communication between applications using DTLS. The layer acts as a modular abstraction layer of the different DTLS implementations, enabling swap"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1906.12143","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":"2026-05-17T23:41:59Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"3sqve2lLxYg1tyylkjMniupIa7cup0IMHdv9sd7u0oP/RjvYV4nUJj4Rg+9JpsOutDWeLvf1z5oNHf0xHIjdCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T22:37:27.923746Z"},"content_sha256":"d0959c26373d0ae0ea509decee69b4eadfee88047d6f21c77f7edfc662bc95b0","schema_version":"1.0","event_id":"sha256:d0959c26373d0ae0ea509decee69b4eadfee88047d6f21c77f7edfc662bc95b0"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/ETPRGQRY6JZXBUYP2UDAAC6SX2/bundle.json","state_url":"https://pith.science/pith/ETPRGQRY6JZXBUYP2UDAAC6SX2/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/ETPRGQRY6JZXBUYP2UDAAC6SX2/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":"2026-05-27T22:37:27Z","links":{"resolver":"https://pith.science/pith/ETPRGQRY6JZXBUYP2UDAAC6SX2","bundle":"https://pith.science/pith/ETPRGQRY6JZXBUYP2UDAAC6SX2/bundle.json","state":"https://pith.science/pith/ETPRGQRY6JZXBUYP2UDAAC6SX2/state.json","well_known_bundle":"https://pith.science/.well-known/pith/ETPRGQRY6JZXBUYP2UDAAC6SX2/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:ETPRGQRY6JZXBUYP2UDAAC6SX2","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":"bace6725851ebdadee5583fdab65e445615d5e8f8f7a6e4902ef0bbf167f9f01","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.NI","submitted_at":"2019-06-28T11:34:47Z","title_canon_sha256":"c9e8d345e1efc3eb34bd70fa9db1a00ced6c2b1887cab4b31a529542cb671ea1"},"schema_version":"1.0","source":{"id":"1906.12143","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1906.12143","created_at":"2026-05-17T23:41:59Z"},{"alias_kind":"arxiv_version","alias_value":"1906.12143v1","created_at":"2026-05-17T23:41:59Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1906.12143","created_at":"2026-05-17T23:41:59Z"},{"alias_kind":"pith_short_12","alias_value":"ETPRGQRY6JZX","created_at":"2026-05-18T12:33:15Z"},{"alias_kind":"pith_short_16","alias_value":"ETPRGQRY6JZXBUYP","created_at":"2026-05-18T12:33:15Z"},{"alias_kind":"pith_short_8","alias_value":"ETPRGQRY","created_at":"2026-05-18T12:33:15Z"}],"graph_snapshots":[{"event_id":"sha256:d0959c26373d0ae0ea509decee69b4eadfee88047d6f21c77f7edfc662bc95b0","target":"graph","created_at":"2026-05-17T23:41:59Z","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":"On the Internet of Things (IoT), devices continuously communicate with each other, with a gateway, or other Internet nodes. Often devices are constrained and use insecure channels for their communication, which exposes them to a selection of attacks that may extract sensitive pieces of information or manipulate dialogues for the purpose of sabotaging.\n  This paper presents a new layer in the RIOT networking architecture to seamlessly integrate secure communication between applications using DTLS. The layer acts as a modular abstraction layer of the different DTLS implementations, enabling swap","authors_text":"M. Aiman Ismail, Thomas C. Schmidt","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.NI","submitted_at":"2019-06-28T11:34:47Z","title":"A DTLS Abstraction Layer for the Recursive Networking Architecture in RIOT"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1906.12143","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:adf46d8745497fa578ab09c5b298b6adf9082f9e497d8b073ecf9f4de493bb7d","target":"record","created_at":"2026-05-17T23:41:59Z","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":"bace6725851ebdadee5583fdab65e445615d5e8f8f7a6e4902ef0bbf167f9f01","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.NI","submitted_at":"2019-06-28T11:34:47Z","title_canon_sha256":"c9e8d345e1efc3eb34bd70fa9db1a00ced6c2b1887cab4b31a529542cb671ea1"},"schema_version":"1.0","source":{"id":"1906.12143","kind":"arxiv","version":1}},"canonical_sha256":"24df134238f27370d30fd506000bd2be85a5b607808b51d89d153aaa9c7a0c7b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"24df134238f27370d30fd506000bd2be85a5b607808b51d89d153aaa9c7a0c7b","first_computed_at":"2026-05-17T23:41:59.157152Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:41:59.157152Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"zrVvFLNEcStd5FElvBbv1gjg/+vicYxBxFsiOmS3lhJbFHRd36tI7txAkq4iE0dyVZks3SKfBWtq2Ttf/kAAAQ==","signature_status":"signed_v1","signed_at":"2026-05-17T23:41:59.157531Z","signed_message":"canonical_sha256_bytes"},"source_id":"1906.12143","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:adf46d8745497fa578ab09c5b298b6adf9082f9e497d8b073ecf9f4de493bb7d","sha256:d0959c26373d0ae0ea509decee69b4eadfee88047d6f21c77f7edfc662bc95b0"],"state_sha256":"750e6540508aa22dbcb170951fa83ee402ffa8b7645605ad7e58d710e848a7d6"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"aClxSz4x+6V7ThbJwbjM2ytl/PYVcfBd0O7L1FujYBcsG8IT87Q9Ma9WILa9YR1TjLR00NBa44t4Y/StJxy6Dg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T22:37:27.927486Z","bundle_sha256":"cf98271599e0083bdbda87f3d6dc6395231677cb37596dce9d72cb61fc4f5510"}}