{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:5UEOFOZ7JXEOIGKQHITMDXXG5T","short_pith_number":"pith:5UEOFOZ7","canonical_record":{"source":{"id":"2605.23588","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.SP","submitted_at":"2026-05-22T12:57:26Z","cross_cats_sorted":[],"title_canon_sha256":"978810ca1369d4a9d2f04b05b1c0b55a0cf83abd0aded750549111d818a42cb3","abstract_canon_sha256":"df121b1e4bf9cc3b31b4b9cdd4ee669b8a3ba0249e8613b212706f6526d0d450"},"schema_version":"1.0"},"canonical_sha256":"ed08e2bb3f4dc8e419503a26c1dee6ecd4d2b752d433d0b85cfd764d41641094","source":{"kind":"arxiv","id":"2605.23588","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2605.23588","created_at":"2026-05-25T02:02:21Z"},{"alias_kind":"arxiv_version","alias_value":"2605.23588v1","created_at":"2026-05-25T02:02:21Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2605.23588","created_at":"2026-05-25T02:02:21Z"},{"alias_kind":"pith_short_12","alias_value":"5UEOFOZ7JXEO","created_at":"2026-05-25T02:02:21Z"},{"alias_kind":"pith_short_16","alias_value":"5UEOFOZ7JXEOIGKQ","created_at":"2026-05-25T02:02:21Z"},{"alias_kind":"pith_short_8","alias_value":"5UEOFOZ7","created_at":"2026-05-25T02:02:21Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:5UEOFOZ7JXEOIGKQHITMDXXG5T","target":"record","payload":{"canonical_record":{"source":{"id":"2605.23588","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.SP","submitted_at":"2026-05-22T12:57:26Z","cross_cats_sorted":[],"title_canon_sha256":"978810ca1369d4a9d2f04b05b1c0b55a0cf83abd0aded750549111d818a42cb3","abstract_canon_sha256":"df121b1e4bf9cc3b31b4b9cdd4ee669b8a3ba0249e8613b212706f6526d0d450"},"schema_version":"1.0"},"canonical_sha256":"ed08e2bb3f4dc8e419503a26c1dee6ecd4d2b752d433d0b85cfd764d41641094","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-25T02:02:21.076448Z","signature_b64":"sSZXEZibsO5h7mcbClbQZgXgxCRQZXJUTIQ3l0ghBHWBQqsqHMirj5KtQURjv8ag5TkfSd2Q7bqKTWLSHuMbBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ed08e2bb3f4dc8e419503a26c1dee6ecd4d2b752d433d0b85cfd764d41641094","last_reissued_at":"2026-05-25T02:02:21.075707Z","signature_status":"signed_v1","first_computed_at":"2026-05-25T02:02:21.075707Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2605.23588","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":"2026-05-25T02:02:21Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"E7hrm5WtY3XBeFeUoXkIk8JQZUer5hTOG2vJz4VbQwG9iGriHhARD1vyttqcqi6Ai6Y8efkugpb/bOXghdMdBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T11:14:50.653326Z"},"content_sha256":"0b24ca2ec0e71e0d34ed1fc264cf4baaf745d8af2b6c2d65899e891c6a3cb9e0","schema_version":"1.0","event_id":"sha256:0b24ca2ec0e71e0d34ed1fc264cf4baaf745d8af2b6c2d65899e891c6a3cb9e0"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:5UEOFOZ7JXEOIGKQHITMDXXG5T","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Low-cost Parallel Transmission for Dense Indoor Data Collection with LoRaWAN: Time Synchronization and Resource Allocation","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"eess.SP","authors_text":"Junxiao Liu, Kun Yang, Luping Xiang, Xinyu Fan","submitted_at":"2026-05-22T12:57:26Z","abstract_excerpt":"LoRaWAN is a compelling low-cost solution for large-scale indoor Internet of Things (IoT) data backhaul, owing to its strong penetration capability and low power consumption. However, its default pure ALOHA access mechanism leads to severe channel contention, substantial packet loss, and reduced throughput under dense, concurrent transmissions. To overcome this, we propose a lightweight out-of-band (OOB) synchronization scheme that integrates a time division multiple access (TDMA) mechanism into commercial LoRaWAN Class~A networks. Unlike approaches requiring gateway scheduling, frequent downl"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2605.23588","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2605.23588/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":"2026-05-25T02:02:21Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"eBpw+AcIJXE89YWat3FKyh6ZnEVoPxEktjk7VwMRXh6pwQAwYfYGS+HHS9HcLlZHnhIo2C2HxZvBBGFBJXmtBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T11:14:50.653699Z"},"content_sha256":"ebfc80f9e5f78a031bf64a03c6b6fdc1dcb210b0fd6d41e5e2b1ba4251a5a207","schema_version":"1.0","event_id":"sha256:ebfc80f9e5f78a031bf64a03c6b6fdc1dcb210b0fd6d41e5e2b1ba4251a5a207"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/5UEOFOZ7JXEOIGKQHITMDXXG5T/bundle.json","state_url":"https://pith.science/pith/5UEOFOZ7JXEOIGKQHITMDXXG5T/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/5UEOFOZ7JXEOIGKQHITMDXXG5T/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":"2026-06-02T11:14:50Z","links":{"resolver":"https://pith.science/pith/5UEOFOZ7JXEOIGKQHITMDXXG5T","bundle":"https://pith.science/pith/5UEOFOZ7JXEOIGKQHITMDXXG5T/bundle.json","state":"https://pith.science/pith/5UEOFOZ7JXEOIGKQHITMDXXG5T/state.json","well_known_bundle":"https://pith.science/.well-known/pith/5UEOFOZ7JXEOIGKQHITMDXXG5T/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:5UEOFOZ7JXEOIGKQHITMDXXG5T","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":"df121b1e4bf9cc3b31b4b9cdd4ee669b8a3ba0249e8613b212706f6526d0d450","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.SP","submitted_at":"2026-05-22T12:57:26Z","title_canon_sha256":"978810ca1369d4a9d2f04b05b1c0b55a0cf83abd0aded750549111d818a42cb3"},"schema_version":"1.0","source":{"id":"2605.23588","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2605.23588","created_at":"2026-05-25T02:02:21Z"},{"alias_kind":"arxiv_version","alias_value":"2605.23588v1","created_at":"2026-05-25T02:02:21Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2605.23588","created_at":"2026-05-25T02:02:21Z"},{"alias_kind":"pith_short_12","alias_value":"5UEOFOZ7JXEO","created_at":"2026-05-25T02:02:21Z"},{"alias_kind":"pith_short_16","alias_value":"5UEOFOZ7JXEOIGKQ","created_at":"2026-05-25T02:02:21Z"},{"alias_kind":"pith_short_8","alias_value":"5UEOFOZ7","created_at":"2026-05-25T02:02:21Z"}],"graph_snapshots":[{"event_id":"sha256:ebfc80f9e5f78a031bf64a03c6b6fdc1dcb210b0fd6d41e5e2b1ba4251a5a207","target":"graph","created_at":"2026-05-25T02:02:21Z","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/2605.23588/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"LoRaWAN is a compelling low-cost solution for large-scale indoor Internet of Things (IoT) data backhaul, owing to its strong penetration capability and low power consumption. However, its default pure ALOHA access mechanism leads to severe channel contention, substantial packet loss, and reduced throughput under dense, concurrent transmissions. To overcome this, we propose a lightweight out-of-band (OOB) synchronization scheme that integrates a time division multiple access (TDMA) mechanism into commercial LoRaWAN Class~A networks. Unlike approaches requiring gateway scheduling, frequent downl","authors_text":"Junxiao Liu, Kun Yang, Luping Xiang, Xinyu Fan","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.SP","submitted_at":"2026-05-22T12:57:26Z","title":"Low-cost Parallel Transmission for Dense Indoor Data Collection with LoRaWAN: Time Synchronization and Resource Allocation"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2605.23588","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":"sha256:0b24ca2ec0e71e0d34ed1fc264cf4baaf745d8af2b6c2d65899e891c6a3cb9e0","target":"record","created_at":"2026-05-25T02:02:21Z","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":"df121b1e4bf9cc3b31b4b9cdd4ee669b8a3ba0249e8613b212706f6526d0d450","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.SP","submitted_at":"2026-05-22T12:57:26Z","title_canon_sha256":"978810ca1369d4a9d2f04b05b1c0b55a0cf83abd0aded750549111d818a42cb3"},"schema_version":"1.0","source":{"id":"2605.23588","kind":"arxiv","version":1}},"canonical_sha256":"ed08e2bb3f4dc8e419503a26c1dee6ecd4d2b752d433d0b85cfd764d41641094","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ed08e2bb3f4dc8e419503a26c1dee6ecd4d2b752d433d0b85cfd764d41641094","first_computed_at":"2026-05-25T02:02:21.075707Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-25T02:02:21.075707Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"sSZXEZibsO5h7mcbClbQZgXgxCRQZXJUTIQ3l0ghBHWBQqsqHMirj5KtQURjv8ag5TkfSd2Q7bqKTWLSHuMbBA==","signature_status":"signed_v1","signed_at":"2026-05-25T02:02:21.076448Z","signed_message":"canonical_sha256_bytes"},"source_id":"2605.23588","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:0b24ca2ec0e71e0d34ed1fc264cf4baaf745d8af2b6c2d65899e891c6a3cb9e0","sha256:ebfc80f9e5f78a031bf64a03c6b6fdc1dcb210b0fd6d41e5e2b1ba4251a5a207"],"state_sha256":"3ca9e3839fc3a685736633200acb18ec1c4c9b74f1bc2861fad1996410d42675"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"H+tOVOye4YXxs7rMLuJgCSyxHqnU2SP7oGt7IcrTQ21bI9v91YyRwCMmiVj++W2aBfoMTmMKhIG2E3/spE8ZBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-02T11:14:50.655628Z","bundle_sha256":"27a11d1a8d109ba2bf4bbfbdfad8ca826874f56cacc2b8568de12f9f64556d29"}}