{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:C5FHKDRDIDCWYRWLLWBDOSZ3NT","short_pith_number":"pith:C5FHKDRD","canonical_record":{"source":{"id":"1410.8176","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DC","submitted_at":"2014-10-29T21:51:09Z","cross_cats_sorted":[],"title_canon_sha256":"a24f21ba25edb8e455a206040cd661d75fcae362b370e095a459408418538336","abstract_canon_sha256":"445d13de5118fc0b86b4b1d96eccaf7861b3da0a3a7fb90065aa20854aea4a84"},"schema_version":"1.0"},"canonical_sha256":"174a750e2340c56c46cb5d82374b3b6cc2158d25c69f1170993c648a621d5eb6","source":{"kind":"arxiv","id":"1410.8176","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1410.8176","created_at":"2026-05-18T02:39:00Z"},{"alias_kind":"arxiv_version","alias_value":"1410.8176v1","created_at":"2026-05-18T02:39:00Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1410.8176","created_at":"2026-05-18T02:39:00Z"},{"alias_kind":"pith_short_12","alias_value":"C5FHKDRDIDCW","created_at":"2026-05-18T12:28:22Z"},{"alias_kind":"pith_short_16","alias_value":"C5FHKDRDIDCWYRWL","created_at":"2026-05-18T12:28:22Z"},{"alias_kind":"pith_short_8","alias_value":"C5FHKDRD","created_at":"2026-05-18T12:28:22Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:C5FHKDRDIDCWYRWLLWBDOSZ3NT","target":"record","payload":{"canonical_record":{"source":{"id":"1410.8176","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DC","submitted_at":"2014-10-29T21:51:09Z","cross_cats_sorted":[],"title_canon_sha256":"a24f21ba25edb8e455a206040cd661d75fcae362b370e095a459408418538336","abstract_canon_sha256":"445d13de5118fc0b86b4b1d96eccaf7861b3da0a3a7fb90065aa20854aea4a84"},"schema_version":"1.0"},"canonical_sha256":"174a750e2340c56c46cb5d82374b3b6cc2158d25c69f1170993c648a621d5eb6","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:39:00.456371Z","signature_b64":"SZnkcFgeeFvqoyJ15833IaNyhryNzM98aTqbHfvIMPIakAfAmFPgxxwqAmigXdxFz31wWL6HMtWqBt4uqsGyBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"174a750e2340c56c46cb5d82374b3b6cc2158d25c69f1170993c648a621d5eb6","last_reissued_at":"2026-05-18T02:39:00.455850Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:39:00.455850Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1410.8176","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":"2026-05-18T02:39:00Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"vgg/VF5Pm1NaDvXJ96CLstm9y3E0fMmZEhvlkb41Nf7WTP0VmJX98OOSrE379NIIKzvFSV6L/oVphzrDy05EDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T14:09:59.606777Z"},"content_sha256":"b3980a92e588838c3b432d994a9cb57c90642e6d641b88e654b475d1ab28c1a9","schema_version":"1.0","event_id":"sha256:b3980a92e588838c3b432d994a9cb57c90642e6d641b88e654b475d1ab28c1a9"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:C5FHKDRDIDCWYRWLLWBDOSZ3NT","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Proportional-Integral Clock Synchronization in Wireless Sensor Networks","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.DC","authors_text":"Kas{\\i}m Sinan Y{\\i}ld{\\i}r{\\i}m, Luca Schenato, Ruggero Carli","submitted_at":"2014-10-29T21:51:09Z","abstract_excerpt":"In this article, we present a new control theoretic distributed time synchronization algorithm, named PISync, in order to synchronize sensor nodes in Wireless Sensor Networks (WSNs). PISync algorithm is based on a Proportional-Integral (PI) controller. It applies a proportional feedback (P) and an integral feedback (I) on the local measured synchronization errors to compensate the differences between the clock offsets and clock speeds. We present practical flooding-based and fully distributed protocol implementations of the PISync algorithm, and we provide theoretical analysis to highlight the"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1410.8176","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":"2026-05-18T02:39:00Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"eyLBIPxT1l3KehVMlcht9poqU8/kGs6jhoG2r1b4gYaia5Ep4dDhCquApSlafd+qbxhbPpz8VYN24qKrinp9AQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T14:09:59.607122Z"},"content_sha256":"48396a6f8f7befa3b270f88810e96961525cb9d64c96fc9122dac62c6b693704","schema_version":"1.0","event_id":"sha256:48396a6f8f7befa3b270f88810e96961525cb9d64c96fc9122dac62c6b693704"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/C5FHKDRDIDCWYRWLLWBDOSZ3NT/bundle.json","state_url":"https://pith.science/pith/C5FHKDRDIDCWYRWLLWBDOSZ3NT/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/C5FHKDRDIDCWYRWLLWBDOSZ3NT/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":"2026-05-28T14:09:59Z","links":{"resolver":"https://pith.science/pith/C5FHKDRDIDCWYRWLLWBDOSZ3NT","bundle":"https://pith.science/pith/C5FHKDRDIDCWYRWLLWBDOSZ3NT/bundle.json","state":"https://pith.science/pith/C5FHKDRDIDCWYRWLLWBDOSZ3NT/state.json","well_known_bundle":"https://pith.science/.well-known/pith/C5FHKDRDIDCWYRWLLWBDOSZ3NT/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:C5FHKDRDIDCWYRWLLWBDOSZ3NT","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":"445d13de5118fc0b86b4b1d96eccaf7861b3da0a3a7fb90065aa20854aea4a84","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DC","submitted_at":"2014-10-29T21:51:09Z","title_canon_sha256":"a24f21ba25edb8e455a206040cd661d75fcae362b370e095a459408418538336"},"schema_version":"1.0","source":{"id":"1410.8176","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1410.8176","created_at":"2026-05-18T02:39:00Z"},{"alias_kind":"arxiv_version","alias_value":"1410.8176v1","created_at":"2026-05-18T02:39:00Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1410.8176","created_at":"2026-05-18T02:39:00Z"},{"alias_kind":"pith_short_12","alias_value":"C5FHKDRDIDCW","created_at":"2026-05-18T12:28:22Z"},{"alias_kind":"pith_short_16","alias_value":"C5FHKDRDIDCWYRWL","created_at":"2026-05-18T12:28:22Z"},{"alias_kind":"pith_short_8","alias_value":"C5FHKDRD","created_at":"2026-05-18T12:28:22Z"}],"graph_snapshots":[{"event_id":"sha256:48396a6f8f7befa3b270f88810e96961525cb9d64c96fc9122dac62c6b693704","target":"graph","created_at":"2026-05-18T02:39:00Z","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":"In this article, we present a new control theoretic distributed time synchronization algorithm, named PISync, in order to synchronize sensor nodes in Wireless Sensor Networks (WSNs). PISync algorithm is based on a Proportional-Integral (PI) controller. It applies a proportional feedback (P) and an integral feedback (I) on the local measured synchronization errors to compensate the differences between the clock offsets and clock speeds. We present practical flooding-based and fully distributed protocol implementations of the PISync algorithm, and we provide theoretical analysis to highlight the","authors_text":"Kas{\\i}m Sinan Y{\\i}ld{\\i}r{\\i}m, Luca Schenato, Ruggero Carli","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DC","submitted_at":"2014-10-29T21:51:09Z","title":"Proportional-Integral Clock Synchronization in Wireless Sensor Networks"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1410.8176","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:b3980a92e588838c3b432d994a9cb57c90642e6d641b88e654b475d1ab28c1a9","target":"record","created_at":"2026-05-18T02:39:00Z","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":"445d13de5118fc0b86b4b1d96eccaf7861b3da0a3a7fb90065aa20854aea4a84","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DC","submitted_at":"2014-10-29T21:51:09Z","title_canon_sha256":"a24f21ba25edb8e455a206040cd661d75fcae362b370e095a459408418538336"},"schema_version":"1.0","source":{"id":"1410.8176","kind":"arxiv","version":1}},"canonical_sha256":"174a750e2340c56c46cb5d82374b3b6cc2158d25c69f1170993c648a621d5eb6","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"174a750e2340c56c46cb5d82374b3b6cc2158d25c69f1170993c648a621d5eb6","first_computed_at":"2026-05-18T02:39:00.455850Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:39:00.455850Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"SZnkcFgeeFvqoyJ15833IaNyhryNzM98aTqbHfvIMPIakAfAmFPgxxwqAmigXdxFz31wWL6HMtWqBt4uqsGyBA==","signature_status":"signed_v1","signed_at":"2026-05-18T02:39:00.456371Z","signed_message":"canonical_sha256_bytes"},"source_id":"1410.8176","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b3980a92e588838c3b432d994a9cb57c90642e6d641b88e654b475d1ab28c1a9","sha256:48396a6f8f7befa3b270f88810e96961525cb9d64c96fc9122dac62c6b693704"],"state_sha256":"65f0c3166b67fed5517aaf0f94a4e2817ca57d833d4c9d29322684e020ebb690"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"sIp2d3sT8Sv3hJNyX3GC+gxsflIguSsFjGNL4tmzVo/PD23mW54qaadspcVoBIU+F/59+UFNlQawTOWcnOTWCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T14:09:59.609025Z","bundle_sha256":"5ad56c19ae0a883cd1b57808c6db3107cd337fa50644956466e32136d1316a8d"}}