{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:5BCEQQVSXXQOQA6GEFBCROWLMI","short_pith_number":"pith:5BCEQQVS","canonical_record":{"source":{"id":"2606.18758","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"eess.SP","submitted_at":"2026-06-17T07:11:46Z","cross_cats_sorted":[],"title_canon_sha256":"64801a753b9f744c4573ae90e0e666b7e06feb05bd8f56f709b1b0e3b7141315","abstract_canon_sha256":"5563086575509cfc2e97917911b1dc72a2b1f391ac1a427ef656dd5c3f6e3fe5"},"schema_version":"1.0"},"canonical_sha256":"e8444842b2bde0e803c6214228bacb622e2ad17c94b42c7ec2e1f2a61da08109","source":{"kind":"arxiv","id":"2606.18758","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2606.18758","created_at":"2026-06-19T16:11:46Z"},{"alias_kind":"arxiv_version","alias_value":"2606.18758v1","created_at":"2026-06-19T16:11:46Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2606.18758","created_at":"2026-06-19T16:11:46Z"},{"alias_kind":"pith_short_12","alias_value":"5BCEQQVSXXQO","created_at":"2026-06-19T16:11:46Z"},{"alias_kind":"pith_short_16","alias_value":"5BCEQQVSXXQOQA6G","created_at":"2026-06-19T16:11:46Z"},{"alias_kind":"pith_short_8","alias_value":"5BCEQQVS","created_at":"2026-06-19T16:11:46Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:5BCEQQVSXXQOQA6GEFBCROWLMI","target":"record","payload":{"canonical_record":{"source":{"id":"2606.18758","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"eess.SP","submitted_at":"2026-06-17T07:11:46Z","cross_cats_sorted":[],"title_canon_sha256":"64801a753b9f744c4573ae90e0e666b7e06feb05bd8f56f709b1b0e3b7141315","abstract_canon_sha256":"5563086575509cfc2e97917911b1dc72a2b1f391ac1a427ef656dd5c3f6e3fe5"},"schema_version":"1.0"},"canonical_sha256":"e8444842b2bde0e803c6214228bacb622e2ad17c94b42c7ec2e1f2a61da08109","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-06-19T16:11:46.624649Z","signature_b64":"vbrEt//Dy4UuQgCC9r5FrR51rSU7agBzXHUVMROjGs3P3eWUmrybW5FYKCVnO4TdCH563wg/swLOwWdgrX61AQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e8444842b2bde0e803c6214228bacb622e2ad17c94b42c7ec2e1f2a61da08109","last_reissued_at":"2026-06-19T16:11:46.624286Z","signature_status":"signed_v1","first_computed_at":"2026-06-19T16:11:46.624286Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2606.18758","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":"2026-06-19T16:11:46Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"7AWyvhsdmSwnr6oSc9IpZ3H8xi8qe0dFduAomP+o13fVY0Y+cegZoJvugBFqorKrnsAdRYmS55QPOMGJd9joAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-23T04:51:24.468381Z"},"content_sha256":"d02660a7d0b56442a133a70eba3aeed7604ff651f5757ba4356291b5fe437112","schema_version":"1.0","event_id":"sha256:d02660a7d0b56442a133a70eba3aeed7604ff651f5757ba4356291b5fe437112"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:5BCEQQVSXXQOQA6GEFBCROWLMI","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"EH-FedSAG: Variance-Reduced Federated Learning with Energy-Aware Participation in Energy-Harvesting IoT","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"eess.SP","authors_text":"Mateen Ashraf, Onel L.A. Lopez, Richard Demo Souza, Shahab Jahanbazi","submitted_at":"2026-06-17T07:11:46Z","abstract_excerpt":"Federated learning (FL) in energy-harvesting (EH) networks is challenged by intermittent and stochastic energy arrivals that lead to unstable device participation across training rounds, and by high communication costs under limited energy budgets, reducing overall training efficiency. This paper studies FL under a slot-based EH model and proposes EH-FedSAG, a server-memory-based variance-reduced method. We compare EH-FedSAG with vanilla EH-FedAvg under the same multi-channel orthogonal multiple-access uplink model and within a unified simulation framework that captures battery charging, local"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.18758","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/2606.18758/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":"2026-06-19T16:11:46Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"PHqTTACnB1BskxJghBXehorB6u3hFipE0orIUME5wkCyQtBcah+Qv9Gsvx3e1BnWH1rwDHbdwCq1szRUjyMJCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-23T04:51:24.468761Z"},"content_sha256":"5bea85bf71c52cd67ab91d9eaab5080a52d663c793b3b870153bc42327f7a467","schema_version":"1.0","event_id":"sha256:5bea85bf71c52cd67ab91d9eaab5080a52d663c793b3b870153bc42327f7a467"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/5BCEQQVSXXQOQA6GEFBCROWLMI/bundle.json","state_url":"https://pith.science/pith/5BCEQQVSXXQOQA6GEFBCROWLMI/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/5BCEQQVSXXQOQA6GEFBCROWLMI/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":"2026-06-23T04:51:24Z","links":{"resolver":"https://pith.science/pith/5BCEQQVSXXQOQA6GEFBCROWLMI","bundle":"https://pith.science/pith/5BCEQQVSXXQOQA6GEFBCROWLMI/bundle.json","state":"https://pith.science/pith/5BCEQQVSXXQOQA6GEFBCROWLMI/state.json","well_known_bundle":"https://pith.science/.well-known/pith/5BCEQQVSXXQOQA6GEFBCROWLMI/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:5BCEQQVSXXQOQA6GEFBCROWLMI","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":"5563086575509cfc2e97917911b1dc72a2b1f391ac1a427ef656dd5c3f6e3fe5","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"eess.SP","submitted_at":"2026-06-17T07:11:46Z","title_canon_sha256":"64801a753b9f744c4573ae90e0e666b7e06feb05bd8f56f709b1b0e3b7141315"},"schema_version":"1.0","source":{"id":"2606.18758","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2606.18758","created_at":"2026-06-19T16:11:46Z"},{"alias_kind":"arxiv_version","alias_value":"2606.18758v1","created_at":"2026-06-19T16:11:46Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2606.18758","created_at":"2026-06-19T16:11:46Z"},{"alias_kind":"pith_short_12","alias_value":"5BCEQQVSXXQO","created_at":"2026-06-19T16:11:46Z"},{"alias_kind":"pith_short_16","alias_value":"5BCEQQVSXXQOQA6G","created_at":"2026-06-19T16:11:46Z"},{"alias_kind":"pith_short_8","alias_value":"5BCEQQVS","created_at":"2026-06-19T16:11:46Z"}],"graph_snapshots":[{"event_id":"sha256:5bea85bf71c52cd67ab91d9eaab5080a52d663c793b3b870153bc42327f7a467","target":"graph","created_at":"2026-06-19T16:11:46Z","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/2606.18758/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Federated learning (FL) in energy-harvesting (EH) networks is challenged by intermittent and stochastic energy arrivals that lead to unstable device participation across training rounds, and by high communication costs under limited energy budgets, reducing overall training efficiency. This paper studies FL under a slot-based EH model and proposes EH-FedSAG, a server-memory-based variance-reduced method. We compare EH-FedSAG with vanilla EH-FedAvg under the same multi-channel orthogonal multiple-access uplink model and within a unified simulation framework that captures battery charging, local","authors_text":"Mateen Ashraf, Onel L.A. Lopez, Richard Demo Souza, Shahab Jahanbazi","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"eess.SP","submitted_at":"2026-06-17T07:11:46Z","title":"EH-FedSAG: Variance-Reduced Federated Learning with Energy-Aware Participation in Energy-Harvesting IoT"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.18758","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:d02660a7d0b56442a133a70eba3aeed7604ff651f5757ba4356291b5fe437112","target":"record","created_at":"2026-06-19T16:11:46Z","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":"5563086575509cfc2e97917911b1dc72a2b1f391ac1a427ef656dd5c3f6e3fe5","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"eess.SP","submitted_at":"2026-06-17T07:11:46Z","title_canon_sha256":"64801a753b9f744c4573ae90e0e666b7e06feb05bd8f56f709b1b0e3b7141315"},"schema_version":"1.0","source":{"id":"2606.18758","kind":"arxiv","version":1}},"canonical_sha256":"e8444842b2bde0e803c6214228bacb622e2ad17c94b42c7ec2e1f2a61da08109","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e8444842b2bde0e803c6214228bacb622e2ad17c94b42c7ec2e1f2a61da08109","first_computed_at":"2026-06-19T16:11:46.624286Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-06-19T16:11:46.624286Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"vbrEt//Dy4UuQgCC9r5FrR51rSU7agBzXHUVMROjGs3P3eWUmrybW5FYKCVnO4TdCH563wg/swLOwWdgrX61AQ==","signature_status":"signed_v1","signed_at":"2026-06-19T16:11:46.624649Z","signed_message":"canonical_sha256_bytes"},"source_id":"2606.18758","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d02660a7d0b56442a133a70eba3aeed7604ff651f5757ba4356291b5fe437112","sha256:5bea85bf71c52cd67ab91d9eaab5080a52d663c793b3b870153bc42327f7a467"],"state_sha256":"4968b4ef9bcb9715e127acf1b80bd2d51878fb78afebd801e00ece42ab280dc4"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"XOIPf+8Q9u2PPgjZygPmNAPD9CJr4SszQMmWrQjlsBE5wOCR+6uDttMonG3Fv2A9Y9fXH2gOVFTwS0CbuK0TCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-23T04:51:24.470749Z","bundle_sha256":"1a32e9c97edcfdb484695db9676bd8ad66250e60b4d7ec740109fa9e94bdfeae"}}