{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:GZ6ZFJ7YKV2KPVB6AVBR2SGOGJ","short_pith_number":"pith:GZ6ZFJ7Y","canonical_record":{"source":{"id":"2601.05032","kind":"arxiv","version":4},"metadata":{"license":"http://creativecommons.org/licenses/by-sa/4.0/","primary_cat":"eess.SP","submitted_at":"2026-01-08T15:43:12Z","cross_cats_sorted":[],"title_canon_sha256":"ddff052f085199f5be1541078fab676b44c7935ee60f10a0c167d6d14d37af09","abstract_canon_sha256":"7dd1888ac7255350405549fe933bb3070111b6391c8b6ec70b7736c8d918abf2"},"schema_version":"1.0"},"canonical_sha256":"367d92a7f85574a7d43e05431d48ce32773b47114d9b5ff548b11710264c8c2d","source":{"kind":"arxiv","id":"2601.05032","version":4},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2601.05032","created_at":"2026-06-02T02:04:49Z"},{"alias_kind":"arxiv_version","alias_value":"2601.05032v4","created_at":"2026-06-02T02:04:49Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2601.05032","created_at":"2026-06-02T02:04:49Z"},{"alias_kind":"pith_short_12","alias_value":"GZ6ZFJ7YKV2K","created_at":"2026-06-02T02:04:49Z"},{"alias_kind":"pith_short_16","alias_value":"GZ6ZFJ7YKV2KPVB6","created_at":"2026-06-02T02:04:49Z"},{"alias_kind":"pith_short_8","alias_value":"GZ6ZFJ7Y","created_at":"2026-06-02T02:04:49Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:GZ6ZFJ7YKV2KPVB6AVBR2SGOGJ","target":"record","payload":{"canonical_record":{"source":{"id":"2601.05032","kind":"arxiv","version":4},"metadata":{"license":"http://creativecommons.org/licenses/by-sa/4.0/","primary_cat":"eess.SP","submitted_at":"2026-01-08T15:43:12Z","cross_cats_sorted":[],"title_canon_sha256":"ddff052f085199f5be1541078fab676b44c7935ee60f10a0c167d6d14d37af09","abstract_canon_sha256":"7dd1888ac7255350405549fe933bb3070111b6391c8b6ec70b7736c8d918abf2"},"schema_version":"1.0"},"canonical_sha256":"367d92a7f85574a7d43e05431d48ce32773b47114d9b5ff548b11710264c8c2d","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-06-02T02:04:49.877586Z","signature_b64":"6kHAVdzRMINHkN8XxWvyiUPBDy/V0h5zLGAdGm2z/eCyAcDllkXs5MalvtyIWnA4kUYtlpVE5lYjC+sbzOd6Bg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"367d92a7f85574a7d43e05431d48ce32773b47114d9b5ff548b11710264c8c2d","last_reissued_at":"2026-06-02T02:04:49.877114Z","signature_status":"signed_v1","first_computed_at":"2026-06-02T02:04:49.877114Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2601.05032","source_version":4,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-06-02T02:04:49Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"FvzWDplF7aYmrPz+fnH2gHE8EqtA5akVbl4cvTSFBFsPxyd4dKmW5tlX2FU+unI88JLSWFzLKL7nBqZABahPCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T01:37:11.732601Z"},"content_sha256":"af8e8a00ddb4dfefcdcc2095b214d8d33f552929482b76fb7cf13e810a1cf67b","schema_version":"1.0","event_id":"sha256:af8e8a00ddb4dfefcdcc2095b214d8d33f552929482b76fb7cf13e810a1cf67b"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:GZ6ZFJ7YKV2KPVB6AVBR2SGOGJ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"On the Impact of Channel Aging and Doppler-Affected Clutter on OFDM ISAC Systems","license":"http://creativecommons.org/licenses/by-sa/4.0/","headline":"","cross_cats":[],"primary_cat":"eess.SP","authors_text":"Emil Bj\\\"ornson, Gabor Fodor, Mikael Skoglund, Steven Rivetti","submitted_at":"2026-01-08T15:43:12Z","abstract_excerpt":"The temporal evolution of the propagation environment plays a central role in integrated sensing and communication (ISAC) systems. A slow-time evolution manifests as channel aging in communication links, while a fast-time one is associated with non-zero Doppler clutter. Nevertheless, the joint impact of these two phenomena on ISAC performance has been largely overlooked. This paper addresses this research gap in a network utilizing orthogonal frequency division multiplexing waveforms. Here, a base station simultaneously serves a user equipment (UE) device and performs monostatic sensing. Chann"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2601.05032","kind":"arxiv","version":4},"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/2601.05032/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":"2026-06-02T02:04:49Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ZzaX3Hwh96+Mb3//JYJ9td/d33ewaavnTz2IsMikGBNGGyCUZV+hOXW9b8Gek8Sw06VW5SsXY8Ds9zIMcFL2CA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T01:37:11.733015Z"},"content_sha256":"d9429a4b04aa967fc236c77c2b65c887223117b67af40570e1f1fa6c7add2189","schema_version":"1.0","event_id":"sha256:d9429a4b04aa967fc236c77c2b65c887223117b67af40570e1f1fa6c7add2189"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/GZ6ZFJ7YKV2KPVB6AVBR2SGOGJ/bundle.json","state_url":"https://pith.science/pith/GZ6ZFJ7YKV2KPVB6AVBR2SGOGJ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/GZ6ZFJ7YKV2KPVB6AVBR2SGOGJ/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":"2026-06-03T01:37:11Z","links":{"resolver":"https://pith.science/pith/GZ6ZFJ7YKV2KPVB6AVBR2SGOGJ","bundle":"https://pith.science/pith/GZ6ZFJ7YKV2KPVB6AVBR2SGOGJ/bundle.json","state":"https://pith.science/pith/GZ6ZFJ7YKV2KPVB6AVBR2SGOGJ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/GZ6ZFJ7YKV2KPVB6AVBR2SGOGJ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:GZ6ZFJ7YKV2KPVB6AVBR2SGOGJ","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":"7dd1888ac7255350405549fe933bb3070111b6391c8b6ec70b7736c8d918abf2","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-sa/4.0/","primary_cat":"eess.SP","submitted_at":"2026-01-08T15:43:12Z","title_canon_sha256":"ddff052f085199f5be1541078fab676b44c7935ee60f10a0c167d6d14d37af09"},"schema_version":"1.0","source":{"id":"2601.05032","kind":"arxiv","version":4}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2601.05032","created_at":"2026-06-02T02:04:49Z"},{"alias_kind":"arxiv_version","alias_value":"2601.05032v4","created_at":"2026-06-02T02:04:49Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2601.05032","created_at":"2026-06-02T02:04:49Z"},{"alias_kind":"pith_short_12","alias_value":"GZ6ZFJ7YKV2K","created_at":"2026-06-02T02:04:49Z"},{"alias_kind":"pith_short_16","alias_value":"GZ6ZFJ7YKV2KPVB6","created_at":"2026-06-02T02:04:49Z"},{"alias_kind":"pith_short_8","alias_value":"GZ6ZFJ7Y","created_at":"2026-06-02T02:04:49Z"}],"graph_snapshots":[{"event_id":"sha256:d9429a4b04aa967fc236c77c2b65c887223117b67af40570e1f1fa6c7add2189","target":"graph","created_at":"2026-06-02T02:04:49Z","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/2601.05032/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The temporal evolution of the propagation environment plays a central role in integrated sensing and communication (ISAC) systems. A slow-time evolution manifests as channel aging in communication links, while a fast-time one is associated with non-zero Doppler clutter. Nevertheless, the joint impact of these two phenomena on ISAC performance has been largely overlooked. This paper addresses this research gap in a network utilizing orthogonal frequency division multiplexing waveforms. Here, a base station simultaneously serves a user equipment (UE) device and performs monostatic sensing. Chann","authors_text":"Emil Bj\\\"ornson, Gabor Fodor, Mikael Skoglund, Steven Rivetti","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by-sa/4.0/","primary_cat":"eess.SP","submitted_at":"2026-01-08T15:43:12Z","title":"On the Impact of Channel Aging and Doppler-Affected Clutter on OFDM ISAC Systems"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2601.05032","kind":"arxiv","version":4},"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:af8e8a00ddb4dfefcdcc2095b214d8d33f552929482b76fb7cf13e810a1cf67b","target":"record","created_at":"2026-06-02T02:04:49Z","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":"7dd1888ac7255350405549fe933bb3070111b6391c8b6ec70b7736c8d918abf2","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-sa/4.0/","primary_cat":"eess.SP","submitted_at":"2026-01-08T15:43:12Z","title_canon_sha256":"ddff052f085199f5be1541078fab676b44c7935ee60f10a0c167d6d14d37af09"},"schema_version":"1.0","source":{"id":"2601.05032","kind":"arxiv","version":4}},"canonical_sha256":"367d92a7f85574a7d43e05431d48ce32773b47114d9b5ff548b11710264c8c2d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"367d92a7f85574a7d43e05431d48ce32773b47114d9b5ff548b11710264c8c2d","first_computed_at":"2026-06-02T02:04:49.877114Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-06-02T02:04:49.877114Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"6kHAVdzRMINHkN8XxWvyiUPBDy/V0h5zLGAdGm2z/eCyAcDllkXs5MalvtyIWnA4kUYtlpVE5lYjC+sbzOd6Bg==","signature_status":"signed_v1","signed_at":"2026-06-02T02:04:49.877586Z","signed_message":"canonical_sha256_bytes"},"source_id":"2601.05032","source_kind":"arxiv","source_version":4}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:af8e8a00ddb4dfefcdcc2095b214d8d33f552929482b76fb7cf13e810a1cf67b","sha256:d9429a4b04aa967fc236c77c2b65c887223117b67af40570e1f1fa6c7add2189"],"state_sha256":"9c19735cf777c510349d61c36a90ef43decbe39a19b0f826105e7a2c643e2909"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"GWQM6JMioiwSc5EIIxSduVZOY282lWCcMaWNXogBzcumfVED/r0ya862P6RrRHCwmGKgGE3IYXEsHyOhqw0sAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-03T01:37:11.735202Z","bundle_sha256":"c35437963d19dd4e7d0680847dde57eebe1714e91d549a110d00ad2e363b4155"}}