{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:MY2HRW3YA3D7GCE7SSJ3OLDY6W","short_pith_number":"pith:MY2HRW3Y","canonical_record":{"source":{"id":"1611.00679","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.NI","submitted_at":"2016-11-02T16:43:59Z","cross_cats_sorted":[],"title_canon_sha256":"b372d49e7403aef60137074a0e4c3a5c4d4519d4e42be88ee5090a678ac16e43","abstract_canon_sha256":"0ed7857c003d27fce7b58a88ccf18cdc87c4ecd60988d2ae4b7cc2bac4b46d0d"},"schema_version":"1.0"},"canonical_sha256":"663478db7806c7f3089f9493b72c78f5a357c5897c77e5df1ad65374cc7a3b44","source":{"kind":"arxiv","id":"1611.00679","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1611.00679","created_at":"2026-05-18T01:00:32Z"},{"alias_kind":"arxiv_version","alias_value":"1611.00679v1","created_at":"2026-05-18T01:00:32Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1611.00679","created_at":"2026-05-18T01:00:32Z"},{"alias_kind":"pith_short_12","alias_value":"MY2HRW3YA3D7","created_at":"2026-05-18T12:30:32Z"},{"alias_kind":"pith_short_16","alias_value":"MY2HRW3YA3D7GCE7","created_at":"2026-05-18T12:30:32Z"},{"alias_kind":"pith_short_8","alias_value":"MY2HRW3Y","created_at":"2026-05-18T12:30:32Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:MY2HRW3YA3D7GCE7SSJ3OLDY6W","target":"record","payload":{"canonical_record":{"source":{"id":"1611.00679","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.NI","submitted_at":"2016-11-02T16:43:59Z","cross_cats_sorted":[],"title_canon_sha256":"b372d49e7403aef60137074a0e4c3a5c4d4519d4e42be88ee5090a678ac16e43","abstract_canon_sha256":"0ed7857c003d27fce7b58a88ccf18cdc87c4ecd60988d2ae4b7cc2bac4b46d0d"},"schema_version":"1.0"},"canonical_sha256":"663478db7806c7f3089f9493b72c78f5a357c5897c77e5df1ad65374cc7a3b44","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:00:32.163043Z","signature_b64":"9bs2zydYgyuDHjBcDtzWBYFA+Lvu4uuNXZzECSybQfDpH+Gwj77/i8SZIxRasKbwPLR1d74Mgnbpv5K85UX3Cw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"663478db7806c7f3089f9493b72c78f5a357c5897c77e5df1ad65374cc7a3b44","last_reissued_at":"2026-05-18T01:00:32.162238Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:00:32.162238Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1611.00679","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":"2026-05-18T01:00:32Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qAlOmr+hD0MS6QQFpDTAarkIZiEgF/odERP8IHJNgSFq7OUKNb3vdmVRuNigCF5VnDyCanUET8LVjqnTvGKuDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T23:06:57.212444Z"},"content_sha256":"858f4972b3eb213230fef08e632b277ead49abe95ba2a441d872eff27c3ad49e","schema_version":"1.0","event_id":"sha256:858f4972b3eb213230fef08e632b277ead49abe95ba2a441d872eff27c3ad49e"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:MY2HRW3YA3D7GCE7SSJ3OLDY6W","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Distributed Scheme for Interference Mitigation of WBANs Using Predictable Channel Hopping","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.NI","authors_text":"Ahmed Mehaoua, Hassine Moungla, Mohamad Ali, Mohamed Younis","submitted_at":"2016-11-02T16:43:59Z","abstract_excerpt":"When sensors of different coexisting wireless body area networks (WBANs) transmit at the same time using the same channel, a co-channel interference is experienced and hence the performance of the involved WBANs may be degraded. In this paper, we exploit the 16 channels available in the 2.4 GHz international band of ZIGBEE, and propose a distributed scheme that avoids interference through predictable channel hopping based on Latin rectangles, namely, CHIM. In the proposed CHIM scheme, each WBAN's coordinator picks a Latin rectangle whose rows are ZIGBEE channels and columns are sensor IDs. Bas"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1611.00679","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":"2026-05-18T01:00:32Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"5wHZlzLWcYxUGzEoIiCf4cg9cljDsUyUJUaOjtss3nwk/ZuEL0RBsIeO9I7wI0XEvY51kigAZMwlAJya/ZwQBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T23:06:57.213029Z"},"content_sha256":"48388eca508575ba75add4cae19288fe22af82524780483def107a34d3199f59","schema_version":"1.0","event_id":"sha256:48388eca508575ba75add4cae19288fe22af82524780483def107a34d3199f59"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/MY2HRW3YA3D7GCE7SSJ3OLDY6W/bundle.json","state_url":"https://pith.science/pith/MY2HRW3YA3D7GCE7SSJ3OLDY6W/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/MY2HRW3YA3D7GCE7SSJ3OLDY6W/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":"2026-05-30T23:06:57Z","links":{"resolver":"https://pith.science/pith/MY2HRW3YA3D7GCE7SSJ3OLDY6W","bundle":"https://pith.science/pith/MY2HRW3YA3D7GCE7SSJ3OLDY6W/bundle.json","state":"https://pith.science/pith/MY2HRW3YA3D7GCE7SSJ3OLDY6W/state.json","well_known_bundle":"https://pith.science/.well-known/pith/MY2HRW3YA3D7GCE7SSJ3OLDY6W/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:MY2HRW3YA3D7GCE7SSJ3OLDY6W","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":"0ed7857c003d27fce7b58a88ccf18cdc87c4ecd60988d2ae4b7cc2bac4b46d0d","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.NI","submitted_at":"2016-11-02T16:43:59Z","title_canon_sha256":"b372d49e7403aef60137074a0e4c3a5c4d4519d4e42be88ee5090a678ac16e43"},"schema_version":"1.0","source":{"id":"1611.00679","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1611.00679","created_at":"2026-05-18T01:00:32Z"},{"alias_kind":"arxiv_version","alias_value":"1611.00679v1","created_at":"2026-05-18T01:00:32Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1611.00679","created_at":"2026-05-18T01:00:32Z"},{"alias_kind":"pith_short_12","alias_value":"MY2HRW3YA3D7","created_at":"2026-05-18T12:30:32Z"},{"alias_kind":"pith_short_16","alias_value":"MY2HRW3YA3D7GCE7","created_at":"2026-05-18T12:30:32Z"},{"alias_kind":"pith_short_8","alias_value":"MY2HRW3Y","created_at":"2026-05-18T12:30:32Z"}],"graph_snapshots":[{"event_id":"sha256:48388eca508575ba75add4cae19288fe22af82524780483def107a34d3199f59","target":"graph","created_at":"2026-05-18T01:00:32Z","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":"When sensors of different coexisting wireless body area networks (WBANs) transmit at the same time using the same channel, a co-channel interference is experienced and hence the performance of the involved WBANs may be degraded. In this paper, we exploit the 16 channels available in the 2.4 GHz international band of ZIGBEE, and propose a distributed scheme that avoids interference through predictable channel hopping based on Latin rectangles, namely, CHIM. In the proposed CHIM scheme, each WBAN's coordinator picks a Latin rectangle whose rows are ZIGBEE channels and columns are sensor IDs. Bas","authors_text":"Ahmed Mehaoua, Hassine Moungla, Mohamad Ali, Mohamed Younis","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.NI","submitted_at":"2016-11-02T16:43:59Z","title":"Distributed Scheme for Interference Mitigation of WBANs Using Predictable Channel Hopping"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1611.00679","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":"sha256:858f4972b3eb213230fef08e632b277ead49abe95ba2a441d872eff27c3ad49e","target":"record","created_at":"2026-05-18T01:00:32Z","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":"0ed7857c003d27fce7b58a88ccf18cdc87c4ecd60988d2ae4b7cc2bac4b46d0d","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.NI","submitted_at":"2016-11-02T16:43:59Z","title_canon_sha256":"b372d49e7403aef60137074a0e4c3a5c4d4519d4e42be88ee5090a678ac16e43"},"schema_version":"1.0","source":{"id":"1611.00679","kind":"arxiv","version":1}},"canonical_sha256":"663478db7806c7f3089f9493b72c78f5a357c5897c77e5df1ad65374cc7a3b44","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"663478db7806c7f3089f9493b72c78f5a357c5897c77e5df1ad65374cc7a3b44","first_computed_at":"2026-05-18T01:00:32.162238Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:00:32.162238Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"9bs2zydYgyuDHjBcDtzWBYFA+Lvu4uuNXZzECSybQfDpH+Gwj77/i8SZIxRasKbwPLR1d74Mgnbpv5K85UX3Cw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:00:32.163043Z","signed_message":"canonical_sha256_bytes"},"source_id":"1611.00679","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:858f4972b3eb213230fef08e632b277ead49abe95ba2a441d872eff27c3ad49e","sha256:48388eca508575ba75add4cae19288fe22af82524780483def107a34d3199f59"],"state_sha256":"2b60bbd6122982e9a142bbdeb7a3255ec6f3e37c1336761588507c5f7edc8127"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"56OGtqeaywGbmBSzz7SmGjJ1iePKygGHA3mBiBxTOK/pAvV5bhrRltx1Ld6TpCJlhykIPFklOUC4fX3fLz+cCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-30T23:06:57.216310Z","bundle_sha256":"28bacae824a36f4567e4820c87f50867aa16a118a7c8840afe0a7bd7afbe8509"}}