{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:2K3AJ3DIK2FEHOKJMKNYGR2PTT","short_pith_number":"pith:2K3AJ3DI","canonical_record":{"source":{"id":"2507.05081","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cs.AR","submitted_at":"2025-07-07T15:06:16Z","cross_cats_sorted":[],"title_canon_sha256":"d1ac03682c7fde7d9322776f2afbefb3463636c4865cca71d61c2e3dfdea06a8","abstract_canon_sha256":"a9d2f7042f2e4ce107edc2e706d39b651628e46ab43a7e1cf03593b0c186352a"},"schema_version":"1.0"},"canonical_sha256":"d2b604ec68568a43b949629b83474f9cc5eefff763a45fb53dc2e0064aa44a58","source":{"kind":"arxiv","id":"2507.05081","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2507.05081","created_at":"2026-07-05T11:33:08Z"},{"alias_kind":"arxiv_version","alias_value":"2507.05081v1","created_at":"2026-07-05T11:33:08Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2507.05081","created_at":"2026-07-05T11:33:08Z"},{"alias_kind":"pith_short_12","alias_value":"2K3AJ3DIK2FE","created_at":"2026-07-05T11:33:08Z"},{"alias_kind":"pith_short_16","alias_value":"2K3AJ3DIK2FEHOKJ","created_at":"2026-07-05T11:33:08Z"},{"alias_kind":"pith_short_8","alias_value":"2K3AJ3DI","created_at":"2026-07-05T11:33:08Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:2K3AJ3DIK2FEHOKJMKNYGR2PTT","target":"record","payload":{"canonical_record":{"source":{"id":"2507.05081","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cs.AR","submitted_at":"2025-07-07T15:06:16Z","cross_cats_sorted":[],"title_canon_sha256":"d1ac03682c7fde7d9322776f2afbefb3463636c4865cca71d61c2e3dfdea06a8","abstract_canon_sha256":"a9d2f7042f2e4ce107edc2e706d39b651628e46ab43a7e1cf03593b0c186352a"},"schema_version":"1.0"},"canonical_sha256":"d2b604ec68568a43b949629b83474f9cc5eefff763a45fb53dc2e0064aa44a58","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T11:33:08.777724Z","signature_b64":"YAoirpLI9H6WzDrrSuJK+NlICfjBSEadCiNi55QGFGjr61cqan6BHBdhDRCbQz+ueptVkOuBW6wuHQfznawJCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d2b604ec68568a43b949629b83474f9cc5eefff763a45fb53dc2e0064aa44a58","last_reissued_at":"2026-07-05T11:33:08.777195Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T11:33:08.777195Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2507.05081","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":"2026-07-05T11:33:08Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"HFgCV1EBOe18araQvazo8RFtbuIEOdg7euw2AXsDaw2q4uKedlLzR1QNjYTkqb3K8RvHyba6BK1Ms84U1bxWBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T21:55:37.061111Z"},"content_sha256":"c8885b331f6998cf7e69ef14157c4287db9b0d95d65eb07cc69c136e8414cc36","schema_version":"1.0","event_id":"sha256:c8885b331f6998cf7e69ef14157c4287db9b0d95d65eb07cc69c136e8414cc36"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:2K3AJ3DIK2FEHOKJMKNYGR2PTT","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"ViPSN 2.0: A Reconfigurable Battery-free IoT Platform for Vibration Energy Harvesting","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","headline":"","cross_cats":[],"primary_cat":"cs.AR","authors_text":"Bao Zhao, Congsi Wang, Daxing Zhang, Guobiao Hu, Hong Tang, Jiaming Chen, Jianjun Wang, Jiaqing Chu, Jiashun Li, Junrui Liang, Mianxin Xiao, Mingjing Cai, Minyi Xu, Qitao Lu, Shitong Fang, Weifeng Huang, Wei-Hsin Liao, Xin Li, Xinming Zhang, Xi Shen, Xuanyu Huang. Chaoyang Zhao, Yaowen Yang, Yaoyi Li, Yilong Wang, Zicheng Liu","submitted_at":"2025-07-07T15:06:16Z","abstract_excerpt":"Vibration energy harvesting is a promising solution for powering battery-free IoT systems; however, the instability of ambient vibrations presents significant challenges, such as limited harvested energy, intermittent power supply, and poor adaptability to various applications. To address these challenges, this paper proposes ViPSN2.0, a modular and reconfigurable IoT platform that supports multiple vibration energy harvesters (piezoelectric, electromagnetic, and triboelectric) and accommodates sensing tasks with varying application requirements through standardized hot-swappable interfaces. V"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2507.05081","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/2507.05081/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":"2026-07-05T11:33:08Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"7Bcg7DzG7KhHS0e8iG8/ypgNg7or8bNvxuRupsKZVrEQGEhyKCbUpxhD74j+Gf8A/2dBPIx/wXbEJLMQvu6KAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T21:55:37.062371Z"},"content_sha256":"07b44d5c56f4b44029aad857f3d3b525f311607a1f23944e0b0d005dd42a60ec","schema_version":"1.0","event_id":"sha256:07b44d5c56f4b44029aad857f3d3b525f311607a1f23944e0b0d005dd42a60ec"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/2K3AJ3DIK2FEHOKJMKNYGR2PTT/bundle.json","state_url":"https://pith.science/pith/2K3AJ3DIK2FEHOKJMKNYGR2PTT/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/2K3AJ3DIK2FEHOKJMKNYGR2PTT/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":"2026-08-06T21:55:37Z","links":{"resolver":"https://pith.science/pith/2K3AJ3DIK2FEHOKJMKNYGR2PTT","bundle":"https://pith.science/pith/2K3AJ3DIK2FEHOKJMKNYGR2PTT/bundle.json","state":"https://pith.science/pith/2K3AJ3DIK2FEHOKJMKNYGR2PTT/state.json","well_known_bundle":"https://pith.science/.well-known/pith/2K3AJ3DIK2FEHOKJMKNYGR2PTT/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:2K3AJ3DIK2FEHOKJMKNYGR2PTT","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":"a9d2f7042f2e4ce107edc2e706d39b651628e46ab43a7e1cf03593b0c186352a","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cs.AR","submitted_at":"2025-07-07T15:06:16Z","title_canon_sha256":"d1ac03682c7fde7d9322776f2afbefb3463636c4865cca71d61c2e3dfdea06a8"},"schema_version":"1.0","source":{"id":"2507.05081","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2507.05081","created_at":"2026-07-05T11:33:08Z"},{"alias_kind":"arxiv_version","alias_value":"2507.05081v1","created_at":"2026-07-05T11:33:08Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2507.05081","created_at":"2026-07-05T11:33:08Z"},{"alias_kind":"pith_short_12","alias_value":"2K3AJ3DIK2FE","created_at":"2026-07-05T11:33:08Z"},{"alias_kind":"pith_short_16","alias_value":"2K3AJ3DIK2FEHOKJ","created_at":"2026-07-05T11:33:08Z"},{"alias_kind":"pith_short_8","alias_value":"2K3AJ3DI","created_at":"2026-07-05T11:33:08Z"}],"graph_snapshots":[{"event_id":"sha256:07b44d5c56f4b44029aad857f3d3b525f311607a1f23944e0b0d005dd42a60ec","target":"graph","created_at":"2026-07-05T11:33:08Z","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/2507.05081/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Vibration energy harvesting is a promising solution for powering battery-free IoT systems; however, the instability of ambient vibrations presents significant challenges, such as limited harvested energy, intermittent power supply, and poor adaptability to various applications. To address these challenges, this paper proposes ViPSN2.0, a modular and reconfigurable IoT platform that supports multiple vibration energy harvesters (piezoelectric, electromagnetic, and triboelectric) and accommodates sensing tasks with varying application requirements through standardized hot-swappable interfaces. V","authors_text":"Bao Zhao, Congsi Wang, Daxing Zhang, Guobiao Hu, Hong Tang, Jiaming Chen, Jianjun Wang, Jiaqing Chu, Jiashun Li, Junrui Liang, Mianxin Xiao, Mingjing Cai, Minyi Xu, Qitao Lu, Shitong Fang, Weifeng Huang, Wei-Hsin Liao, Xin Li, Xinming Zhang, Xi Shen, Xuanyu Huang. Chaoyang Zhao, Yaowen Yang, Yaoyi Li, Yilong Wang, Zicheng Liu","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cs.AR","submitted_at":"2025-07-07T15:06:16Z","title":"ViPSN 2.0: A Reconfigurable Battery-free IoT Platform for Vibration Energy Harvesting"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2507.05081","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:c8885b331f6998cf7e69ef14157c4287db9b0d95d65eb07cc69c136e8414cc36","target":"record","created_at":"2026-07-05T11:33:08Z","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":"a9d2f7042f2e4ce107edc2e706d39b651628e46ab43a7e1cf03593b0c186352a","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cs.AR","submitted_at":"2025-07-07T15:06:16Z","title_canon_sha256":"d1ac03682c7fde7d9322776f2afbefb3463636c4865cca71d61c2e3dfdea06a8"},"schema_version":"1.0","source":{"id":"2507.05081","kind":"arxiv","version":1}},"canonical_sha256":"d2b604ec68568a43b949629b83474f9cc5eefff763a45fb53dc2e0064aa44a58","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d2b604ec68568a43b949629b83474f9cc5eefff763a45fb53dc2e0064aa44a58","first_computed_at":"2026-07-05T11:33:08.777195Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T11:33:08.777195Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"YAoirpLI9H6WzDrrSuJK+NlICfjBSEadCiNi55QGFGjr61cqan6BHBdhDRCbQz+ueptVkOuBW6wuHQfznawJCg==","signature_status":"signed_v1","signed_at":"2026-07-05T11:33:08.777724Z","signed_message":"canonical_sha256_bytes"},"source_id":"2507.05081","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c8885b331f6998cf7e69ef14157c4287db9b0d95d65eb07cc69c136e8414cc36","sha256:07b44d5c56f4b44029aad857f3d3b525f311607a1f23944e0b0d005dd42a60ec"],"state_sha256":"dabfcf3a26149f69169478a607f8cded34aebb6b3dfd61a87ced7d1c954248f8"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/rSS8epNlZ0HNC6B4gBWe7ATG/fG00jnZTnyKWdg4u8dYln2jMO/2L8VEToJ2Uy5qzk5hhjFsVKB/n4/pTqsDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-06T21:55:37.069984Z","bundle_sha256":"825488baccad036d4eb394a3978d6e5ca9d02415fa4f4fb93c8edccce1317c62"}}