{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:6NAHONRQKFQ7SUPFRKS3ZEK7LY","short_pith_number":"pith:6NAHONRQ","canonical_record":{"source":{"id":"2505.01223","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"eess.SP","submitted_at":"2025-05-02T12:18:43Z","cross_cats_sorted":[],"title_canon_sha256":"b5b7e64597c9c4c0c8ca6c2557e98cf733a97f06a200e307565d4b46c036bc5c","abstract_canon_sha256":"2fbca43920fc8c1cadc1fe5659a05b3db0759076d8f20b3167296e8e3c063404"},"schema_version":"1.0"},"canonical_sha256":"f3407736305161f951e58aa5bc915f5e31f8cb1e15f247a8e72391e42a3e4c58","source":{"kind":"arxiv","id":"2505.01223","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2505.01223","created_at":"2026-07-05T10:57:47Z"},{"alias_kind":"arxiv_version","alias_value":"2505.01223v1","created_at":"2026-07-05T10:57:47Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2505.01223","created_at":"2026-07-05T10:57:47Z"},{"alias_kind":"pith_short_12","alias_value":"6NAHONRQKFQ7","created_at":"2026-07-05T10:57:47Z"},{"alias_kind":"pith_short_16","alias_value":"6NAHONRQKFQ7SUPF","created_at":"2026-07-05T10:57:47Z"},{"alias_kind":"pith_short_8","alias_value":"6NAHONRQ","created_at":"2026-07-05T10:57:47Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:6NAHONRQKFQ7SUPFRKS3ZEK7LY","target":"record","payload":{"canonical_record":{"source":{"id":"2505.01223","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"eess.SP","submitted_at":"2025-05-02T12:18:43Z","cross_cats_sorted":[],"title_canon_sha256":"b5b7e64597c9c4c0c8ca6c2557e98cf733a97f06a200e307565d4b46c036bc5c","abstract_canon_sha256":"2fbca43920fc8c1cadc1fe5659a05b3db0759076d8f20b3167296e8e3c063404"},"schema_version":"1.0"},"canonical_sha256":"f3407736305161f951e58aa5bc915f5e31f8cb1e15f247a8e72391e42a3e4c58","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T10:57:47.797288Z","signature_b64":"20DFSlku+N2Ha50AVQ4rXaDB4jJ6ZlB54+unpRPBbA7WeH85C2G8Vu4wlnxKC0qn8RkWaR/UcJQTlw0RsPbpCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f3407736305161f951e58aa5bc915f5e31f8cb1e15f247a8e72391e42a3e4c58","last_reissued_at":"2026-07-05T10:57:47.796812Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T10:57:47.796812Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2505.01223","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":"2026-07-05T10:57:47Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Nbt4URv3BmODUoVoQ4xlexyWewzdFKE7u0HSfsPo0/glBCnb6ckHD8dhtjllV8vjAAmz1qI+htfm5TE9H2bPCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-20T21:27:05.496155Z"},"content_sha256":"aa0f466395e67f8506d95f93a365de1fb7450f26429a35d4e919c82712a64356","schema_version":"1.0","event_id":"sha256:aa0f466395e67f8506d95f93a365de1fb7450f26429a35d4e919c82712a64356"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:6NAHONRQKFQ7SUPFRKS3ZEK7LY","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"One Target, Many Views: Multi-User Fusion for Collaborative Uplink ISAC","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","headline":"","cross_cats":[],"primary_cat":"eess.SP","authors_text":"Gabor Fodor, Mikael Skoglund, Sajad Daei","submitted_at":"2025-05-02T12:18:43Z","abstract_excerpt":"We propose a novel pilot-free multi-user uplink framework for integrated sensing and communication (ISAC) in mm-wave networks, where single-antenna users transmit orthogonal frequency division multiplexing signals without dedicated pilots. The base station exploits the spatial and velocity diversities of users to simultaneously decode messages and detect targets, transforming user transmissions into a powerful sensing tool. Each user's signal, structured by a known codebook, propagates through a sparse multi-path channel with shared moving targets and user-specific scatterers. Notably, common "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2505.01223","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/2505.01223/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":"2026-07-05T10:57:47Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"rv2PCaanJWuFr9Us/bfjMPOKtv9xQMMM22/Nw8YZzqPsgZR+AaG/9KqPzeZjvq3PtuGd7Gjp3vp5J0QXHBkfCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-20T21:27:05.496679Z"},"content_sha256":"9e7c686c2a9517adcbd2ab3a845bbea4a5799ef8683fc2f17d934ac6a18ac918","schema_version":"1.0","event_id":"sha256:9e7c686c2a9517adcbd2ab3a845bbea4a5799ef8683fc2f17d934ac6a18ac918"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/6NAHONRQKFQ7SUPFRKS3ZEK7LY/bundle.json","state_url":"https://pith.science/pith/6NAHONRQKFQ7SUPFRKS3ZEK7LY/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/6NAHONRQKFQ7SUPFRKS3ZEK7LY/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":"2026-08-20T21:27:05Z","links":{"resolver":"https://pith.science/pith/6NAHONRQKFQ7SUPFRKS3ZEK7LY","bundle":"https://pith.science/pith/6NAHONRQKFQ7SUPFRKS3ZEK7LY/bundle.json","state":"https://pith.science/pith/6NAHONRQKFQ7SUPFRKS3ZEK7LY/state.json","well_known_bundle":"https://pith.science/.well-known/pith/6NAHONRQKFQ7SUPFRKS3ZEK7LY/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:6NAHONRQKFQ7SUPFRKS3ZEK7LY","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":"2fbca43920fc8c1cadc1fe5659a05b3db0759076d8f20b3167296e8e3c063404","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"eess.SP","submitted_at":"2025-05-02T12:18:43Z","title_canon_sha256":"b5b7e64597c9c4c0c8ca6c2557e98cf733a97f06a200e307565d4b46c036bc5c"},"schema_version":"1.0","source":{"id":"2505.01223","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2505.01223","created_at":"2026-07-05T10:57:47Z"},{"alias_kind":"arxiv_version","alias_value":"2505.01223v1","created_at":"2026-07-05T10:57:47Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2505.01223","created_at":"2026-07-05T10:57:47Z"},{"alias_kind":"pith_short_12","alias_value":"6NAHONRQKFQ7","created_at":"2026-07-05T10:57:47Z"},{"alias_kind":"pith_short_16","alias_value":"6NAHONRQKFQ7SUPF","created_at":"2026-07-05T10:57:47Z"},{"alias_kind":"pith_short_8","alias_value":"6NAHONRQ","created_at":"2026-07-05T10:57:47Z"}],"graph_snapshots":[{"event_id":"sha256:9e7c686c2a9517adcbd2ab3a845bbea4a5799ef8683fc2f17d934ac6a18ac918","target":"graph","created_at":"2026-07-05T10:57:47Z","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/2505.01223/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We propose a novel pilot-free multi-user uplink framework for integrated sensing and communication (ISAC) in mm-wave networks, where single-antenna users transmit orthogonal frequency division multiplexing signals without dedicated pilots. The base station exploits the spatial and velocity diversities of users to simultaneously decode messages and detect targets, transforming user transmissions into a powerful sensing tool. Each user's signal, structured by a known codebook, propagates through a sparse multi-path channel with shared moving targets and user-specific scatterers. Notably, common ","authors_text":"Gabor Fodor, Mikael Skoglund, Sajad Daei","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"eess.SP","submitted_at":"2025-05-02T12:18:43Z","title":"One Target, Many Views: Multi-User Fusion for Collaborative Uplink ISAC"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2505.01223","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:aa0f466395e67f8506d95f93a365de1fb7450f26429a35d4e919c82712a64356","target":"record","created_at":"2026-07-05T10:57:47Z","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":"2fbca43920fc8c1cadc1fe5659a05b3db0759076d8f20b3167296e8e3c063404","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"eess.SP","submitted_at":"2025-05-02T12:18:43Z","title_canon_sha256":"b5b7e64597c9c4c0c8ca6c2557e98cf733a97f06a200e307565d4b46c036bc5c"},"schema_version":"1.0","source":{"id":"2505.01223","kind":"arxiv","version":1}},"canonical_sha256":"f3407736305161f951e58aa5bc915f5e31f8cb1e15f247a8e72391e42a3e4c58","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f3407736305161f951e58aa5bc915f5e31f8cb1e15f247a8e72391e42a3e4c58","first_computed_at":"2026-07-05T10:57:47.796812Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T10:57:47.796812Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"20DFSlku+N2Ha50AVQ4rXaDB4jJ6ZlB54+unpRPBbA7WeH85C2G8Vu4wlnxKC0qn8RkWaR/UcJQTlw0RsPbpCQ==","signature_status":"signed_v1","signed_at":"2026-07-05T10:57:47.797288Z","signed_message":"canonical_sha256_bytes"},"source_id":"2505.01223","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:aa0f466395e67f8506d95f93a365de1fb7450f26429a35d4e919c82712a64356","sha256:9e7c686c2a9517adcbd2ab3a845bbea4a5799ef8683fc2f17d934ac6a18ac918"],"state_sha256":"def5829277967a3f50132b46514d195a2f91ecdaa3032e2c479120a39d642f52"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ZRT49wiiq5YH/sdZ5i1k7E+Wo1r8xbfz0qd2E02k3RFxbtWUmjinY2U69JBj18SpDYxlewMAw6/Al2Ud4b1ACw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-20T21:27:05.501635Z","bundle_sha256":"9d88ad133d0513dc6c87f1aa0cc6f3015652f895a60a2e742a76c14cc18f5ac9"}}