{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:UKQ272363KOW4F7QIY3KIWHLQL","short_pith_number":"pith:UKQ27236","canonical_record":{"source":{"id":"1902.09647","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.NI","submitted_at":"2019-02-25T22:40:34Z","cross_cats_sorted":[],"title_canon_sha256":"178a17a16cd33a5e7407202ca8943cb3114dc9c830cbb00229418bb65b7e2a81","abstract_canon_sha256":"7d88743fcb26e25fc11301b5d22d6bf5622a0955a5a322157284a7fe5510f4c2"},"schema_version":"1.0"},"canonical_sha256":"a2a1afeb7eda9d6e17f04636a458eb82c32df0df1dce80c62ba967cc2a9becd8","source":{"kind":"arxiv","id":"1902.09647","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1902.09647","created_at":"2026-05-17T23:52:35Z"},{"alias_kind":"arxiv_version","alias_value":"1902.09647v1","created_at":"2026-05-17T23:52:35Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1902.09647","created_at":"2026-05-17T23:52:35Z"},{"alias_kind":"pith_short_12","alias_value":"UKQ272363KOW","created_at":"2026-05-18T12:33:30Z"},{"alias_kind":"pith_short_16","alias_value":"UKQ272363KOW4F7Q","created_at":"2026-05-18T12:33:30Z"},{"alias_kind":"pith_short_8","alias_value":"UKQ27236","created_at":"2026-05-18T12:33:30Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:UKQ272363KOW4F7QIY3KIWHLQL","target":"record","payload":{"canonical_record":{"source":{"id":"1902.09647","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.NI","submitted_at":"2019-02-25T22:40:34Z","cross_cats_sorted":[],"title_canon_sha256":"178a17a16cd33a5e7407202ca8943cb3114dc9c830cbb00229418bb65b7e2a81","abstract_canon_sha256":"7d88743fcb26e25fc11301b5d22d6bf5622a0955a5a322157284a7fe5510f4c2"},"schema_version":"1.0"},"canonical_sha256":"a2a1afeb7eda9d6e17f04636a458eb82c32df0df1dce80c62ba967cc2a9becd8","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:52:35.669066Z","signature_b64":"BE0AGsDFSSGSHZLHgAomV3KdGehWFFRw9+m/jwTYKg6DCNcRd5FQpKlNjaHg1Xc5qOwAtNe+Qjgm65kpFucOAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a2a1afeb7eda9d6e17f04636a458eb82c32df0df1dce80c62ba967cc2a9becd8","last_reissued_at":"2026-05-17T23:52:35.668705Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:52:35.668705Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1902.09647","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":"2026-05-17T23:52:35Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qAAooH7HMTm9eNmbMzekaxKkM8cNIO5OLQe8WkaAWXWLzYHhyIIhJrZJ41OAJDMAxDdQU3imp1gKtaGD4bPnAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T08:20:53.055837Z"},"content_sha256":"a4fa646a1341e0873fde126362d8bb30e34a125a27706612e3aa821ecef62e33","schema_version":"1.0","event_id":"sha256:a4fa646a1341e0873fde126362d8bb30e34a125a27706612e3aa821ecef62e33"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:UKQ272363KOW4F7QIY3KIWHLQL","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Network Service Dependencies in Commodity Internet-of-Things Devices","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.NI","authors_text":"Anthony Brown, Poonam Yadav, Qi Li, Richard Mortier","submitted_at":"2019-02-25T22:40:34Z","abstract_excerpt":"We continue to see increasingly widespread deployment of IoT devices, with apparent intent to embed them in our built environment likely to accelerate if smart city and related programmes succeed. In this paper we are concerned with the ways in which current generation IoT devices are being designed in terms of their ill-considered dependencies on network connectivity and services. Our hope is to provide evidence that such dependencies need to be better thought through in design, and better documented in implementation so that those responsible for deploying these devices can be properly infor"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1902.09647","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":"2026-05-17T23:52:35Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"cPeBOtEZAznBblfBChQIg0Ay5n4im3hNUCtMmAwGL2Gbzeu93U2dWeAWPinfW5lXnGcGjwsZ6+f9PMyv/6uXCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T08:20:53.056169Z"},"content_sha256":"d7dbcbe1cb21dc1c9d1cbf8a7c66cd9ffd269bed941b561845e38b043872fa8b","schema_version":"1.0","event_id":"sha256:d7dbcbe1cb21dc1c9d1cbf8a7c66cd9ffd269bed941b561845e38b043872fa8b"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/UKQ272363KOW4F7QIY3KIWHLQL/bundle.json","state_url":"https://pith.science/pith/UKQ272363KOW4F7QIY3KIWHLQL/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/UKQ272363KOW4F7QIY3KIWHLQL/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":"2026-06-03T08:20:53Z","links":{"resolver":"https://pith.science/pith/UKQ272363KOW4F7QIY3KIWHLQL","bundle":"https://pith.science/pith/UKQ272363KOW4F7QIY3KIWHLQL/bundle.json","state":"https://pith.science/pith/UKQ272363KOW4F7QIY3KIWHLQL/state.json","well_known_bundle":"https://pith.science/.well-known/pith/UKQ272363KOW4F7QIY3KIWHLQL/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:UKQ272363KOW4F7QIY3KIWHLQL","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":"7d88743fcb26e25fc11301b5d22d6bf5622a0955a5a322157284a7fe5510f4c2","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.NI","submitted_at":"2019-02-25T22:40:34Z","title_canon_sha256":"178a17a16cd33a5e7407202ca8943cb3114dc9c830cbb00229418bb65b7e2a81"},"schema_version":"1.0","source":{"id":"1902.09647","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1902.09647","created_at":"2026-05-17T23:52:35Z"},{"alias_kind":"arxiv_version","alias_value":"1902.09647v1","created_at":"2026-05-17T23:52:35Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1902.09647","created_at":"2026-05-17T23:52:35Z"},{"alias_kind":"pith_short_12","alias_value":"UKQ272363KOW","created_at":"2026-05-18T12:33:30Z"},{"alias_kind":"pith_short_16","alias_value":"UKQ272363KOW4F7Q","created_at":"2026-05-18T12:33:30Z"},{"alias_kind":"pith_short_8","alias_value":"UKQ27236","created_at":"2026-05-18T12:33:30Z"}],"graph_snapshots":[{"event_id":"sha256:d7dbcbe1cb21dc1c9d1cbf8a7c66cd9ffd269bed941b561845e38b043872fa8b","target":"graph","created_at":"2026-05-17T23:52:35Z","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 continue to see increasingly widespread deployment of IoT devices, with apparent intent to embed them in our built environment likely to accelerate if smart city and related programmes succeed. In this paper we are concerned with the ways in which current generation IoT devices are being designed in terms of their ill-considered dependencies on network connectivity and services. Our hope is to provide evidence that such dependencies need to be better thought through in design, and better documented in implementation so that those responsible for deploying these devices can be properly infor","authors_text":"Anthony Brown, Poonam Yadav, Qi Li, Richard Mortier","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.NI","submitted_at":"2019-02-25T22:40:34Z","title":"Network Service Dependencies in Commodity Internet-of-Things Devices"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1902.09647","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:a4fa646a1341e0873fde126362d8bb30e34a125a27706612e3aa821ecef62e33","target":"record","created_at":"2026-05-17T23:52:35Z","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":"7d88743fcb26e25fc11301b5d22d6bf5622a0955a5a322157284a7fe5510f4c2","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.NI","submitted_at":"2019-02-25T22:40:34Z","title_canon_sha256":"178a17a16cd33a5e7407202ca8943cb3114dc9c830cbb00229418bb65b7e2a81"},"schema_version":"1.0","source":{"id":"1902.09647","kind":"arxiv","version":1}},"canonical_sha256":"a2a1afeb7eda9d6e17f04636a458eb82c32df0df1dce80c62ba967cc2a9becd8","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a2a1afeb7eda9d6e17f04636a458eb82c32df0df1dce80c62ba967cc2a9becd8","first_computed_at":"2026-05-17T23:52:35.668705Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:52:35.668705Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"BE0AGsDFSSGSHZLHgAomV3KdGehWFFRw9+m/jwTYKg6DCNcRd5FQpKlNjaHg1Xc5qOwAtNe+Qjgm65kpFucOAQ==","signature_status":"signed_v1","signed_at":"2026-05-17T23:52:35.669066Z","signed_message":"canonical_sha256_bytes"},"source_id":"1902.09647","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a4fa646a1341e0873fde126362d8bb30e34a125a27706612e3aa821ecef62e33","sha256:d7dbcbe1cb21dc1c9d1cbf8a7c66cd9ffd269bed941b561845e38b043872fa8b"],"state_sha256":"70036503a2727d750b9b13569669863c85223b1c50e42f6a4b1eed0f1142fd3f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"XO3qmpowayq9K6aYIQ9/Rb16b+j+HcipB/EzSvpVUOogaAZWdYQvCAuv0RhdWzcTpHp6T5OIrwZeVnA6pnQIBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-03T08:20:53.058083Z","bundle_sha256":"be629ab73c9f41d3362437ec1dac6d8e38fac9988e4b278f5929558542f3aeae"}}