{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:PB7MQVHRRWL5W46BQLZPDKCDGH","short_pith_number":"pith:PB7MQVHR","canonical_record":{"source":{"id":"2507.22339","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DC","submitted_at":"2025-07-30T02:47:14Z","cross_cats_sorted":["cs.LG"],"title_canon_sha256":"224a225fce3c08a6e3483502552f151da74707137198662510286b3201547d09","abstract_canon_sha256":"210d0dfc3c9a9473a1d1e6927d02c4ce524f3fb2802ab8be48ba832b6b637046"},"schema_version":"1.0"},"canonical_sha256":"787ec854f18d97db73c182f2f1a84331dfbdf9b9fdaf3d3be55afcc34b24bf04","source":{"kind":"arxiv","id":"2507.22339","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2507.22339","created_at":"2026-07-05T11:45:39Z"},{"alias_kind":"arxiv_version","alias_value":"2507.22339v1","created_at":"2026-07-05T11:45:39Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2507.22339","created_at":"2026-07-05T11:45:39Z"},{"alias_kind":"pith_short_12","alias_value":"PB7MQVHRRWL5","created_at":"2026-07-05T11:45:39Z"},{"alias_kind":"pith_short_16","alias_value":"PB7MQVHRRWL5W46B","created_at":"2026-07-05T11:45:39Z"},{"alias_kind":"pith_short_8","alias_value":"PB7MQVHR","created_at":"2026-07-05T11:45:39Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:PB7MQVHRRWL5W46BQLZPDKCDGH","target":"record","payload":{"canonical_record":{"source":{"id":"2507.22339","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DC","submitted_at":"2025-07-30T02:47:14Z","cross_cats_sorted":["cs.LG"],"title_canon_sha256":"224a225fce3c08a6e3483502552f151da74707137198662510286b3201547d09","abstract_canon_sha256":"210d0dfc3c9a9473a1d1e6927d02c4ce524f3fb2802ab8be48ba832b6b637046"},"schema_version":"1.0"},"canonical_sha256":"787ec854f18d97db73c182f2f1a84331dfbdf9b9fdaf3d3be55afcc34b24bf04","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T11:45:39.538856Z","signature_b64":"OeNsGPkwPsmMQS8ajJg9YREI/NEwyjsnr6Qg0rM7HRDF525LtLWRT6KVzfVlfwfI1D7WbfgzJihiFgtCizXcCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"787ec854f18d97db73c182f2f1a84331dfbdf9b9fdaf3d3be55afcc34b24bf04","last_reissued_at":"2026-07-05T11:45:39.538403Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T11:45:39.538403Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2507.22339","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":"2026-07-05T11:45:39Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"4w3KM3HTCoMYTIhzdPXnyk7SS4dg8GJ99avW4Gd0CiGZl3KAbK+CPI4WJWj3oEv0Kz125ocgc8xJssmPz69qBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T15:37:24.068120Z"},"content_sha256":"98cf019ff08ddd3b58fa12cb8346356ba17143324216167d3ba8847db9f00eb5","schema_version":"1.0","event_id":"sha256:98cf019ff08ddd3b58fa12cb8346356ba17143324216167d3ba8847db9f00eb5"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:PB7MQVHRRWL5W46BQLZPDKCDGH","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A Semi-Supervised Federated Learning Framework with Hierarchical Clustering Aggregation for Heterogeneous Satellite Networks","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.LG"],"primary_cat":"cs.DC","authors_text":"Jiong Jin, Qiushi Zheng, Tiehua Zhang, Zheng Lei, Zhishu Shen, Zhuocheng Liu","submitted_at":"2025-07-30T02:47:14Z","abstract_excerpt":"Low Earth Orbit (LEO) satellites are emerging as key components of 6G networks, with many already deployed to support large-scale Earth observation and sensing related tasks. Federated Learning (FL) presents a promising paradigm for enabling distributed intelligence in these resource-constrained and dynamic environments. However, achieving reliable convergence, while minimizing both processing time and energy consumption, remains a substantial challenge, particularly in heterogeneous and partially unlabeled satellite networks. To address this challenge, we propose a novel semi-supervised feder"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2507.22339","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/2507.22339/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":"2026-07-05T11:45:39Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"FRsw1okOg442pAAeOp5HFoR5+i4gu+v1ZLuhuWitFyC1kHCJ3MUZV29LtJR2ceMlIysmyNwWSWhfGgODVgmmBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T15:37:24.068513Z"},"content_sha256":"f53f3c781eeb73cacbed8710b1e275da07310e10aff029d1022dd8277016fa6d","schema_version":"1.0","event_id":"sha256:f53f3c781eeb73cacbed8710b1e275da07310e10aff029d1022dd8277016fa6d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/PB7MQVHRRWL5W46BQLZPDKCDGH/bundle.json","state_url":"https://pith.science/pith/PB7MQVHRRWL5W46BQLZPDKCDGH/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/PB7MQVHRRWL5W46BQLZPDKCDGH/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":"2026-07-07T15:37:24Z","links":{"resolver":"https://pith.science/pith/PB7MQVHRRWL5W46BQLZPDKCDGH","bundle":"https://pith.science/pith/PB7MQVHRRWL5W46BQLZPDKCDGH/bundle.json","state":"https://pith.science/pith/PB7MQVHRRWL5W46BQLZPDKCDGH/state.json","well_known_bundle":"https://pith.science/.well-known/pith/PB7MQVHRRWL5W46BQLZPDKCDGH/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:PB7MQVHRRWL5W46BQLZPDKCDGH","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":"210d0dfc3c9a9473a1d1e6927d02c4ce524f3fb2802ab8be48ba832b6b637046","cross_cats_sorted":["cs.LG"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DC","submitted_at":"2025-07-30T02:47:14Z","title_canon_sha256":"224a225fce3c08a6e3483502552f151da74707137198662510286b3201547d09"},"schema_version":"1.0","source":{"id":"2507.22339","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2507.22339","created_at":"2026-07-05T11:45:39Z"},{"alias_kind":"arxiv_version","alias_value":"2507.22339v1","created_at":"2026-07-05T11:45:39Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2507.22339","created_at":"2026-07-05T11:45:39Z"},{"alias_kind":"pith_short_12","alias_value":"PB7MQVHRRWL5","created_at":"2026-07-05T11:45:39Z"},{"alias_kind":"pith_short_16","alias_value":"PB7MQVHRRWL5W46B","created_at":"2026-07-05T11:45:39Z"},{"alias_kind":"pith_short_8","alias_value":"PB7MQVHR","created_at":"2026-07-05T11:45:39Z"}],"graph_snapshots":[{"event_id":"sha256:f53f3c781eeb73cacbed8710b1e275da07310e10aff029d1022dd8277016fa6d","target":"graph","created_at":"2026-07-05T11:45:39Z","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/2507.22339/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Low Earth Orbit (LEO) satellites are emerging as key components of 6G networks, with many already deployed to support large-scale Earth observation and sensing related tasks. Federated Learning (FL) presents a promising paradigm for enabling distributed intelligence in these resource-constrained and dynamic environments. However, achieving reliable convergence, while minimizing both processing time and energy consumption, remains a substantial challenge, particularly in heterogeneous and partially unlabeled satellite networks. To address this challenge, we propose a novel semi-supervised feder","authors_text":"Jiong Jin, Qiushi Zheng, Tiehua Zhang, Zheng Lei, Zhishu Shen, Zhuocheng Liu","cross_cats":["cs.LG"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DC","submitted_at":"2025-07-30T02:47:14Z","title":"A Semi-Supervised Federated Learning Framework with Hierarchical Clustering Aggregation for Heterogeneous Satellite Networks"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2507.22339","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":"sha256:98cf019ff08ddd3b58fa12cb8346356ba17143324216167d3ba8847db9f00eb5","target":"record","created_at":"2026-07-05T11:45:39Z","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":"210d0dfc3c9a9473a1d1e6927d02c4ce524f3fb2802ab8be48ba832b6b637046","cross_cats_sorted":["cs.LG"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DC","submitted_at":"2025-07-30T02:47:14Z","title_canon_sha256":"224a225fce3c08a6e3483502552f151da74707137198662510286b3201547d09"},"schema_version":"1.0","source":{"id":"2507.22339","kind":"arxiv","version":1}},"canonical_sha256":"787ec854f18d97db73c182f2f1a84331dfbdf9b9fdaf3d3be55afcc34b24bf04","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"787ec854f18d97db73c182f2f1a84331dfbdf9b9fdaf3d3be55afcc34b24bf04","first_computed_at":"2026-07-05T11:45:39.538403Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T11:45:39.538403Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"OeNsGPkwPsmMQS8ajJg9YREI/NEwyjsnr6Qg0rM7HRDF525LtLWRT6KVzfVlfwfI1D7WbfgzJihiFgtCizXcCA==","signature_status":"signed_v1","signed_at":"2026-07-05T11:45:39.538856Z","signed_message":"canonical_sha256_bytes"},"source_id":"2507.22339","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:98cf019ff08ddd3b58fa12cb8346356ba17143324216167d3ba8847db9f00eb5","sha256:f53f3c781eeb73cacbed8710b1e275da07310e10aff029d1022dd8277016fa6d"],"state_sha256":"9456e9a6ce5c5f6d5eb26d188e2831157ecbc7ab35829611a236f9f9a0bf3afa"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"6X9tM0aOq8OiwQR8qz0Tpbe3yEwJUeFnL/zV3C4StDIigod537T9QbwVakvl3sRLiDduAU8Bbfl6whOsFaHcAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-07T15:37:24.070531Z","bundle_sha256":"2f59d53a9a02c3b14c17e4bdca184bae5fa195ebc98bbe78dbb640a0c08df12c"}}