{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:B3SM744Y6THZ3SKTTKTJSGVS3N","short_pith_number":"pith:B3SM744Y","canonical_record":{"source":{"id":"1610.00457","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DC","submitted_at":"2016-10-03T09:18:16Z","cross_cats_sorted":[],"title_canon_sha256":"68124eb5ef51f7f6e68d71a8bcc7a2d5bfa5ecc3ed6a944132acd217de6a4156","abstract_canon_sha256":"37dfee0feed1169af48c868693f794822690fea67296f0e25097e506f14c3a0b"},"schema_version":"1.0"},"canonical_sha256":"0ee4cff398f4cf9dc9539aa6991ab2db70b9661fdaaec5c437226006ccd1a3d1","source":{"kind":"arxiv","id":"1610.00457","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1610.00457","created_at":"2026-05-18T00:30:34Z"},{"alias_kind":"arxiv_version","alias_value":"1610.00457v1","created_at":"2026-05-18T00:30:34Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1610.00457","created_at":"2026-05-18T00:30:34Z"},{"alias_kind":"pith_short_12","alias_value":"B3SM744Y6THZ","created_at":"2026-05-18T12:30:07Z"},{"alias_kind":"pith_short_16","alias_value":"B3SM744Y6THZ3SKT","created_at":"2026-05-18T12:30:07Z"},{"alias_kind":"pith_short_8","alias_value":"B3SM744Y","created_at":"2026-05-18T12:30:07Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:B3SM744Y6THZ3SKTTKTJSGVS3N","target":"record","payload":{"canonical_record":{"source":{"id":"1610.00457","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DC","submitted_at":"2016-10-03T09:18:16Z","cross_cats_sorted":[],"title_canon_sha256":"68124eb5ef51f7f6e68d71a8bcc7a2d5bfa5ecc3ed6a944132acd217de6a4156","abstract_canon_sha256":"37dfee0feed1169af48c868693f794822690fea67296f0e25097e506f14c3a0b"},"schema_version":"1.0"},"canonical_sha256":"0ee4cff398f4cf9dc9539aa6991ab2db70b9661fdaaec5c437226006ccd1a3d1","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:30:34.290186Z","signature_b64":"679kHofCXZAFPIc2R3ti3rzzu7vYhqKLgtQWvg+t+6KzeyYQ1anhg9J2XV97Vfe+F0p7norcfLFvhXlUjVoYDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"0ee4cff398f4cf9dc9539aa6991ab2db70b9661fdaaec5c437226006ccd1a3d1","last_reissued_at":"2026-05-18T00:30:34.289618Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:30:34.289618Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1610.00457","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":"2026-05-18T00:30:34Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"lWc29FBHh9wXA3e0RhQG2pGI/81wvQFVpjIVVp1GERvXv5foq5FCVUO9rtbtRk9V//LP/eljqTu1YwBRmn9bBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-11T03:58:22.659239Z"},"content_sha256":"70a9d5e3ff40bf63c1cc80af1ba8a35ca1be8153e8c75b184f203148c376d542","schema_version":"1.0","event_id":"sha256:70a9d5e3ff40bf63c1cc80af1ba8a35ca1be8153e8c75b184f203148c376d542"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:B3SM744Y6THZ3SKTTKTJSGVS3N","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Energy Efficient Restoring of Barrier Coverage in Wireless Sensor Networks Using Limited Mobility Sensors","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.DC","authors_text":"Anurag Dasgupta, Dinesh Dash","submitted_at":"2016-10-03T09:18:16Z","abstract_excerpt":"In Wireless Sensor Networks, sensors are used for tracking objects, monitoring health and observing a region/territory for different environmental parameters. Coverage problem in sensor network ensures quality of monitoring a given region. Depending on applications different measures of coverage are there. Barrier coverage is a type of coverage, which ensures all paths that cross the boundary of a region intersect at least one sensor's sensing region. The goal of the sensors is to detect intruders as they cross the boundary or as they penetrate a protected area. The sensors are dependent on th"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1610.00457","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":"2026-05-18T00:30:34Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"DEnAD0yiquhdhEzZ+lfcVM5gf2TYy0q1Zz5148SkNrTU05z0efbD8f3GtfSxaJd82NkUgO+E9d6/FG4L3n5wDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-11T03:58:22.659944Z"},"content_sha256":"2912da972f6858e1725876a441eb3093f60e16d6c22b34ab609b6cb9474543e3","schema_version":"1.0","event_id":"sha256:2912da972f6858e1725876a441eb3093f60e16d6c22b34ab609b6cb9474543e3"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/B3SM744Y6THZ3SKTTKTJSGVS3N/bundle.json","state_url":"https://pith.science/pith/B3SM744Y6THZ3SKTTKTJSGVS3N/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/B3SM744Y6THZ3SKTTKTJSGVS3N/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":"2026-06-11T03:58:22Z","links":{"resolver":"https://pith.science/pith/B3SM744Y6THZ3SKTTKTJSGVS3N","bundle":"https://pith.science/pith/B3SM744Y6THZ3SKTTKTJSGVS3N/bundle.json","state":"https://pith.science/pith/B3SM744Y6THZ3SKTTKTJSGVS3N/state.json","well_known_bundle":"https://pith.science/.well-known/pith/B3SM744Y6THZ3SKTTKTJSGVS3N/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:B3SM744Y6THZ3SKTTKTJSGVS3N","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":"37dfee0feed1169af48c868693f794822690fea67296f0e25097e506f14c3a0b","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DC","submitted_at":"2016-10-03T09:18:16Z","title_canon_sha256":"68124eb5ef51f7f6e68d71a8bcc7a2d5bfa5ecc3ed6a944132acd217de6a4156"},"schema_version":"1.0","source":{"id":"1610.00457","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1610.00457","created_at":"2026-05-18T00:30:34Z"},{"alias_kind":"arxiv_version","alias_value":"1610.00457v1","created_at":"2026-05-18T00:30:34Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1610.00457","created_at":"2026-05-18T00:30:34Z"},{"alias_kind":"pith_short_12","alias_value":"B3SM744Y6THZ","created_at":"2026-05-18T12:30:07Z"},{"alias_kind":"pith_short_16","alias_value":"B3SM744Y6THZ3SKT","created_at":"2026-05-18T12:30:07Z"},{"alias_kind":"pith_short_8","alias_value":"B3SM744Y","created_at":"2026-05-18T12:30:07Z"}],"graph_snapshots":[{"event_id":"sha256:2912da972f6858e1725876a441eb3093f60e16d6c22b34ab609b6cb9474543e3","target":"graph","created_at":"2026-05-18T00:30:34Z","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 Wireless Sensor Networks, sensors are used for tracking objects, monitoring health and observing a region/territory for different environmental parameters. Coverage problem in sensor network ensures quality of monitoring a given region. Depending on applications different measures of coverage are there. Barrier coverage is a type of coverage, which ensures all paths that cross the boundary of a region intersect at least one sensor's sensing region. The goal of the sensors is to detect intruders as they cross the boundary or as they penetrate a protected area. The sensors are dependent on th","authors_text":"Anurag Dasgupta, Dinesh Dash","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DC","submitted_at":"2016-10-03T09:18:16Z","title":"Energy Efficient Restoring of Barrier Coverage in Wireless Sensor Networks Using Limited Mobility Sensors"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1610.00457","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":"sha256:70a9d5e3ff40bf63c1cc80af1ba8a35ca1be8153e8c75b184f203148c376d542","target":"record","created_at":"2026-05-18T00:30:34Z","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":"37dfee0feed1169af48c868693f794822690fea67296f0e25097e506f14c3a0b","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DC","submitted_at":"2016-10-03T09:18:16Z","title_canon_sha256":"68124eb5ef51f7f6e68d71a8bcc7a2d5bfa5ecc3ed6a944132acd217de6a4156"},"schema_version":"1.0","source":{"id":"1610.00457","kind":"arxiv","version":1}},"canonical_sha256":"0ee4cff398f4cf9dc9539aa6991ab2db70b9661fdaaec5c437226006ccd1a3d1","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"0ee4cff398f4cf9dc9539aa6991ab2db70b9661fdaaec5c437226006ccd1a3d1","first_computed_at":"2026-05-18T00:30:34.289618Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:30:34.289618Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"679kHofCXZAFPIc2R3ti3rzzu7vYhqKLgtQWvg+t+6KzeyYQ1anhg9J2XV97Vfe+F0p7norcfLFvhXlUjVoYDg==","signature_status":"signed_v1","signed_at":"2026-05-18T00:30:34.290186Z","signed_message":"canonical_sha256_bytes"},"source_id":"1610.00457","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:70a9d5e3ff40bf63c1cc80af1ba8a35ca1be8153e8c75b184f203148c376d542","sha256:2912da972f6858e1725876a441eb3093f60e16d6c22b34ab609b6cb9474543e3"],"state_sha256":"fdaa10b83e22a0893800ae93d6bfa040a0b5fff5686cee4a5051413740c95145"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"OwGVn7AkplwI7VLFkad8VmW+1R77hfqBEXeB6jYZwjqhQKlexOYIuAQvPNHlpo/k+pAdBBgr35d96DIoy99eBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-11T03:58:22.663707Z","bundle_sha256":"ffcb61ed805234027f5a977eaaff827c4192c1d87808d21365b3baab9bf6b529"}}