{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2021:TTBRY4TE3BB4NNWZWRAXH6IBJK","short_pith_number":"pith:TTBRY4TE","canonical_record":{"source":{"id":"2109.13774","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.NI","submitted_at":"2021-09-28T14:53:11Z","cross_cats_sorted":[],"title_canon_sha256":"35073bc03fbd5162e7f82fd3d15349b4eacdee8b4baec6986d67495ac9548da0","abstract_canon_sha256":"3fe9a812c898a8c7e37e31f92a51daa10f8c9ba697ea8096f5f6ee7244d4d45b"},"schema_version":"1.0"},"canonical_sha256":"9cc31c7264d843c6b6d9b44173f9014a892b51d91c6961e4c7f323772f53da35","source":{"kind":"arxiv","id":"2109.13774","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2109.13774","created_at":"2026-07-05T03:18:42Z"},{"alias_kind":"arxiv_version","alias_value":"2109.13774v2","created_at":"2026-07-05T03:18:42Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2109.13774","created_at":"2026-07-05T03:18:42Z"},{"alias_kind":"pith_short_12","alias_value":"TTBRY4TE3BB4","created_at":"2026-07-05T03:18:42Z"},{"alias_kind":"pith_short_16","alias_value":"TTBRY4TE3BB4NNWZ","created_at":"2026-07-05T03:18:42Z"},{"alias_kind":"pith_short_8","alias_value":"TTBRY4TE","created_at":"2026-07-05T03:18:42Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2021:TTBRY4TE3BB4NNWZWRAXH6IBJK","target":"record","payload":{"canonical_record":{"source":{"id":"2109.13774","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.NI","submitted_at":"2021-09-28T14:53:11Z","cross_cats_sorted":[],"title_canon_sha256":"35073bc03fbd5162e7f82fd3d15349b4eacdee8b4baec6986d67495ac9548da0","abstract_canon_sha256":"3fe9a812c898a8c7e37e31f92a51daa10f8c9ba697ea8096f5f6ee7244d4d45b"},"schema_version":"1.0"},"canonical_sha256":"9cc31c7264d843c6b6d9b44173f9014a892b51d91c6961e4c7f323772f53da35","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T03:18:42.303204Z","signature_b64":"P8qo6tCKo7Fqn9FL6sk5FwHbFmdtrqHdGapeg/MoKxL71IUNcnIR4unKOd0uCFm/VVx+1mJBJZVJSWcoY4IABg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9cc31c7264d843c6b6d9b44173f9014a892b51d91c6961e4c7f323772f53da35","last_reissued_at":"2026-07-05T03:18:42.302757Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T03:18:42.302757Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2109.13774","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":"2026-07-05T03:18:42Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"0XjIQUaQW2RNT+mJhLoUWXKqxM1lqQYkarlLf8qAY6Ll38fWHwkItH5oTWv+NKSKXqEMWAvn/jKsaSbKw4WwCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-14T17:28:26.286212Z"},"content_sha256":"90295b3cda02ff31be70f926f0ff11f4967abf09000c5dbb03d3a63608e1a4a7","schema_version":"1.0","event_id":"sha256:90295b3cda02ff31be70f926f0ff11f4967abf09000c5dbb03d3a63608e1a4a7"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2021:TTBRY4TE3BB4NNWZWRAXH6IBJK","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"PSSPR: A Source Location Privacy Protection Scheme Based on Sector Phantom Routing in WSNs","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.NI","authors_text":"Huiyu Zhou, Jing Sun, Tao Li, Xinxin Niu, Yixian Yang, Yuling Chen","submitted_at":"2021-09-28T14:53:11Z","abstract_excerpt":"Source location privacy (SLP) protection is an emerging research topic in wireless sensor networks (WSNs). Because the source location represents the valuable information of the target being monitored and tracked, it is of great practical significance to achieve a high degree of privacy of the source location. Although many studies based on phantom nodes have alleviates the protection of source location privacy to some extent. It is urgent to solve the problems such as complicate the ac path between nodes, improve the centralized distribution of Phantom nodes near the source nodes and reduce t"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2109.13774","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2109.13774/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-05T03:18:42Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"i8dN7iGkT1VkRIYFXS/4IaavfoTAiZQnPzijiVE4Id+8n3taqVo366CAJbRCwiyIff9W+T9MsLRo75Tq27TOBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-14T17:28:26.286689Z"},"content_sha256":"56e69bfed5166d4a013bb8ab8a763d36dda466af4f9986f99b71a16d990033ed","schema_version":"1.0","event_id":"sha256:56e69bfed5166d4a013bb8ab8a763d36dda466af4f9986f99b71a16d990033ed"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/TTBRY4TE3BB4NNWZWRAXH6IBJK/bundle.json","state_url":"https://pith.science/pith/TTBRY4TE3BB4NNWZWRAXH6IBJK/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/TTBRY4TE3BB4NNWZWRAXH6IBJK/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":"2026-08-14T17:28:26Z","links":{"resolver":"https://pith.science/pith/TTBRY4TE3BB4NNWZWRAXH6IBJK","bundle":"https://pith.science/pith/TTBRY4TE3BB4NNWZWRAXH6IBJK/bundle.json","state":"https://pith.science/pith/TTBRY4TE3BB4NNWZWRAXH6IBJK/state.json","well_known_bundle":"https://pith.science/.well-known/pith/TTBRY4TE3BB4NNWZWRAXH6IBJK/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:TTBRY4TE3BB4NNWZWRAXH6IBJK","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":"3fe9a812c898a8c7e37e31f92a51daa10f8c9ba697ea8096f5f6ee7244d4d45b","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.NI","submitted_at":"2021-09-28T14:53:11Z","title_canon_sha256":"35073bc03fbd5162e7f82fd3d15349b4eacdee8b4baec6986d67495ac9548da0"},"schema_version":"1.0","source":{"id":"2109.13774","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2109.13774","created_at":"2026-07-05T03:18:42Z"},{"alias_kind":"arxiv_version","alias_value":"2109.13774v2","created_at":"2026-07-05T03:18:42Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2109.13774","created_at":"2026-07-05T03:18:42Z"},{"alias_kind":"pith_short_12","alias_value":"TTBRY4TE3BB4","created_at":"2026-07-05T03:18:42Z"},{"alias_kind":"pith_short_16","alias_value":"TTBRY4TE3BB4NNWZ","created_at":"2026-07-05T03:18:42Z"},{"alias_kind":"pith_short_8","alias_value":"TTBRY4TE","created_at":"2026-07-05T03:18:42Z"}],"graph_snapshots":[{"event_id":"sha256:56e69bfed5166d4a013bb8ab8a763d36dda466af4f9986f99b71a16d990033ed","target":"graph","created_at":"2026-07-05T03:18:42Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2109.13774/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Source location privacy (SLP) protection is an emerging research topic in wireless sensor networks (WSNs). Because the source location represents the valuable information of the target being monitored and tracked, it is of great practical significance to achieve a high degree of privacy of the source location. Although many studies based on phantom nodes have alleviates the protection of source location privacy to some extent. It is urgent to solve the problems such as complicate the ac path between nodes, improve the centralized distribution of Phantom nodes near the source nodes and reduce t","authors_text":"Huiyu Zhou, Jing Sun, Tao Li, Xinxin Niu, Yixian Yang, Yuling Chen","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.NI","submitted_at":"2021-09-28T14:53:11Z","title":"PSSPR: A Source Location Privacy Protection Scheme Based on Sector Phantom Routing in WSNs"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2109.13774","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":"sha256:90295b3cda02ff31be70f926f0ff11f4967abf09000c5dbb03d3a63608e1a4a7","target":"record","created_at":"2026-07-05T03:18:42Z","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":"3fe9a812c898a8c7e37e31f92a51daa10f8c9ba697ea8096f5f6ee7244d4d45b","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.NI","submitted_at":"2021-09-28T14:53:11Z","title_canon_sha256":"35073bc03fbd5162e7f82fd3d15349b4eacdee8b4baec6986d67495ac9548da0"},"schema_version":"1.0","source":{"id":"2109.13774","kind":"arxiv","version":2}},"canonical_sha256":"9cc31c7264d843c6b6d9b44173f9014a892b51d91c6961e4c7f323772f53da35","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"9cc31c7264d843c6b6d9b44173f9014a892b51d91c6961e4c7f323772f53da35","first_computed_at":"2026-07-05T03:18:42.302757Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T03:18:42.302757Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"P8qo6tCKo7Fqn9FL6sk5FwHbFmdtrqHdGapeg/MoKxL71IUNcnIR4unKOd0uCFm/VVx+1mJBJZVJSWcoY4IABg==","signature_status":"signed_v1","signed_at":"2026-07-05T03:18:42.303204Z","signed_message":"canonical_sha256_bytes"},"source_id":"2109.13774","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:90295b3cda02ff31be70f926f0ff11f4967abf09000c5dbb03d3a63608e1a4a7","sha256:56e69bfed5166d4a013bb8ab8a763d36dda466af4f9986f99b71a16d990033ed"],"state_sha256":"cbd76e1dcda37002b805141b7556881152ed8ce5f33bbc6eb6972ef9a9f2cd76"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"VfjqYF1AFSVQJvw6RT3sqwnn+YYx52UgNkvk9Lya6fYw7CouFAb+wYrSqPP57rM/qpkX7n8UZ6i95uBPn/AQDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-14T17:28:26.300370Z","bundle_sha256":"e7afe22261fb1e5ea8586aff2a0e0c1398c3ab0eb2a12dbff8a95ecec3e4248c"}}