{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:KBTUS4HINMDWVLP7PMNQW76H7B","short_pith_number":"pith:KBTUS4HI","canonical_record":{"source":{"id":"2407.00896","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"eess.SP","submitted_at":"2024-07-01T01:37:30Z","cross_cats_sorted":["cs.AI"],"title_canon_sha256":"2d2cdfac6cec3da55580cf972ca4a2ef271416f6c99ffba2014b8087da1e755d","abstract_canon_sha256":"0df26acf40d4059b411f7d6119287b2785ec30c6bd9d15bad987bb55deb4a8ec"},"schema_version":"1.0"},"canonical_sha256":"50674970e86b076aadff7b1b0b7fc7f873d18a91e64dc9a987aa6209e586a829","source":{"kind":"arxiv","id":"2407.00896","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2407.00896","created_at":"2026-07-05T08:38:26Z"},{"alias_kind":"arxiv_version","alias_value":"2407.00896v1","created_at":"2026-07-05T08:38:26Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2407.00896","created_at":"2026-07-05T08:38:26Z"},{"alias_kind":"pith_short_12","alias_value":"KBTUS4HINMDW","created_at":"2026-07-05T08:38:26Z"},{"alias_kind":"pith_short_16","alias_value":"KBTUS4HINMDWVLP7","created_at":"2026-07-05T08:38:26Z"},{"alias_kind":"pith_short_8","alias_value":"KBTUS4HI","created_at":"2026-07-05T08:38:26Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:KBTUS4HINMDWVLP7PMNQW76H7B","target":"record","payload":{"canonical_record":{"source":{"id":"2407.00896","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"eess.SP","submitted_at":"2024-07-01T01:37:30Z","cross_cats_sorted":["cs.AI"],"title_canon_sha256":"2d2cdfac6cec3da55580cf972ca4a2ef271416f6c99ffba2014b8087da1e755d","abstract_canon_sha256":"0df26acf40d4059b411f7d6119287b2785ec30c6bd9d15bad987bb55deb4a8ec"},"schema_version":"1.0"},"canonical_sha256":"50674970e86b076aadff7b1b0b7fc7f873d18a91e64dc9a987aa6209e586a829","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T08:38:26.070676Z","signature_b64":"1pc5jhNGYvJzeMxuWumtloA9KWINZHbn7OgWmHQEZWj+FXceNrkhwUtIDBW76OfOMN6Hxxbhrh+GkgcfzmJWCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"50674970e86b076aadff7b1b0b7fc7f873d18a91e64dc9a987aa6209e586a829","last_reissued_at":"2026-07-05T08:38:26.070331Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T08:38:26.070331Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2407.00896","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":"2026-07-05T08:38:26Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"3Jm9d0J9nF5J2N0JIbkHm9JHPJuReWsxCSxPOL+fX7axVxlOHGLy39MkIFgZ4y620gfNSncg0iu21vMhBuCkCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T12:37:12.592362Z"},"content_sha256":"6ce29e2305baa1e28dde1ccdd199812771548c6f965df04f7f8a8c19ea0a9249","schema_version":"1.0","event_id":"sha256:6ce29e2305baa1e28dde1ccdd199812771548c6f965df04f7f8a8c19ea0a9249"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:KBTUS4HINMDWVLP7PMNQW76H7B","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Channel Modeling Aided Dataset Generation for AI-Enabled CSI Feedback: Advances, Challenges, and Solutions","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","headline":"","cross_cats":["cs.AI"],"primary_cat":"eess.SP","authors_text":"Gang Li, Guangyi Liu, Jiangzhou Wang, Shijian Gao, Shuangfeng Han, Yupeng Li, Zirui Wen","submitted_at":"2024-07-01T01:37:30Z","abstract_excerpt":"The AI-enabled autoencoder has demonstrated great potential in channel state information (CSI) feedback in frequency division duplex (FDD) multiple input multiple output (MIMO) systems. However, this method completely changes the existing feedback strategies, making it impractical to deploy in recent years. To address this issue, this paper proposes a channel modeling aided data augmentation method based on a limited number of field channel data. Specifically, the user equipment (UE) extracts the primary stochastic parameters of the field channel data and transmits them to the base station (BS"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2407.00896","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/2407.00896/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":"2026-07-05T08:38:26Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"1eeDqjaQg9a41dakTMCFPoU8rlW1zrUq7R8TOOYPxHqf2oYGQOwxt9YycLQt7vcMFMMF4k76oeoRwi4/QYu+DA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T12:37:12.593019Z"},"content_sha256":"b774cc41ad796622a00f2c0b8f068289778954da95e291baa450e39e0c6797af","schema_version":"1.0","event_id":"sha256:b774cc41ad796622a00f2c0b8f068289778954da95e291baa450e39e0c6797af"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/KBTUS4HINMDWVLP7PMNQW76H7B/bundle.json","state_url":"https://pith.science/pith/KBTUS4HINMDWVLP7PMNQW76H7B/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/KBTUS4HINMDWVLP7PMNQW76H7B/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":"2026-08-04T12:37:12Z","links":{"resolver":"https://pith.science/pith/KBTUS4HINMDWVLP7PMNQW76H7B","bundle":"https://pith.science/pith/KBTUS4HINMDWVLP7PMNQW76H7B/bundle.json","state":"https://pith.science/pith/KBTUS4HINMDWVLP7PMNQW76H7B/state.json","well_known_bundle":"https://pith.science/.well-known/pith/KBTUS4HINMDWVLP7PMNQW76H7B/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:KBTUS4HINMDWVLP7PMNQW76H7B","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":"0df26acf40d4059b411f7d6119287b2785ec30c6bd9d15bad987bb55deb4a8ec","cross_cats_sorted":["cs.AI"],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"eess.SP","submitted_at":"2024-07-01T01:37:30Z","title_canon_sha256":"2d2cdfac6cec3da55580cf972ca4a2ef271416f6c99ffba2014b8087da1e755d"},"schema_version":"1.0","source":{"id":"2407.00896","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2407.00896","created_at":"2026-07-05T08:38:26Z"},{"alias_kind":"arxiv_version","alias_value":"2407.00896v1","created_at":"2026-07-05T08:38:26Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2407.00896","created_at":"2026-07-05T08:38:26Z"},{"alias_kind":"pith_short_12","alias_value":"KBTUS4HINMDW","created_at":"2026-07-05T08:38:26Z"},{"alias_kind":"pith_short_16","alias_value":"KBTUS4HINMDWVLP7","created_at":"2026-07-05T08:38:26Z"},{"alias_kind":"pith_short_8","alias_value":"KBTUS4HI","created_at":"2026-07-05T08:38:26Z"}],"graph_snapshots":[{"event_id":"sha256:b774cc41ad796622a00f2c0b8f068289778954da95e291baa450e39e0c6797af","target":"graph","created_at":"2026-07-05T08:38:26Z","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/2407.00896/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The AI-enabled autoencoder has demonstrated great potential in channel state information (CSI) feedback in frequency division duplex (FDD) multiple input multiple output (MIMO) systems. However, this method completely changes the existing feedback strategies, making it impractical to deploy in recent years. To address this issue, this paper proposes a channel modeling aided data augmentation method based on a limited number of field channel data. Specifically, the user equipment (UE) extracts the primary stochastic parameters of the field channel data and transmits them to the base station (BS","authors_text":"Gang Li, Guangyi Liu, Jiangzhou Wang, Shijian Gao, Shuangfeng Han, Yupeng Li, Zirui Wen","cross_cats":["cs.AI"],"headline":"","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"eess.SP","submitted_at":"2024-07-01T01:37:30Z","title":"Channel Modeling Aided Dataset Generation for AI-Enabled CSI Feedback: Advances, Challenges, and Solutions"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2407.00896","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":"sha256:6ce29e2305baa1e28dde1ccdd199812771548c6f965df04f7f8a8c19ea0a9249","target":"record","created_at":"2026-07-05T08:38:26Z","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":"0df26acf40d4059b411f7d6119287b2785ec30c6bd9d15bad987bb55deb4a8ec","cross_cats_sorted":["cs.AI"],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"eess.SP","submitted_at":"2024-07-01T01:37:30Z","title_canon_sha256":"2d2cdfac6cec3da55580cf972ca4a2ef271416f6c99ffba2014b8087da1e755d"},"schema_version":"1.0","source":{"id":"2407.00896","kind":"arxiv","version":1}},"canonical_sha256":"50674970e86b076aadff7b1b0b7fc7f873d18a91e64dc9a987aa6209e586a829","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"50674970e86b076aadff7b1b0b7fc7f873d18a91e64dc9a987aa6209e586a829","first_computed_at":"2026-07-05T08:38:26.070331Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T08:38:26.070331Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"1pc5jhNGYvJzeMxuWumtloA9KWINZHbn7OgWmHQEZWj+FXceNrkhwUtIDBW76OfOMN6Hxxbhrh+GkgcfzmJWCg==","signature_status":"signed_v1","signed_at":"2026-07-05T08:38:26.070676Z","signed_message":"canonical_sha256_bytes"},"source_id":"2407.00896","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6ce29e2305baa1e28dde1ccdd199812771548c6f965df04f7f8a8c19ea0a9249","sha256:b774cc41ad796622a00f2c0b8f068289778954da95e291baa450e39e0c6797af"],"state_sha256":"20afbf92ca0b2dcbee684a7f9e36a4ac8806a1d68126e16ba45d0c4c91b99c56"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"R/eVYZuiJL12Lbfz2T+gThzdS8g+YiKKyH9btTo/c0gYxftWUPnI9kgLykg3e7Yg9mbnnRzyIlhWXjHq5caOBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-04T12:37:12.600449Z","bundle_sha256":"007bdb6c9c3e9fd8c5afddaf7287508c81a9023c0a10beb95e601fb66a7748a0"}}