{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2022:4RTDFS2ITSGZ2FRJXBQJGRWS5C","short_pith_number":"pith:4RTDFS2I","canonical_record":{"source":{"id":"2209.02661","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"eess.SP","submitted_at":"2022-09-06T17:18:08Z","cross_cats_sorted":["cs.AR"],"title_canon_sha256":"26ff415ebaea8ffbf3ccf0be660ea4e43af989f91f2f9b3fb76cac53ba5c4e87","abstract_canon_sha256":"400e214a9c23f37491c5b6e59f1cb881c0645c80ec19f195f3e136ab414af73b"},"schema_version":"1.0"},"canonical_sha256":"e46632cb489c8d9d1629b8609346d2e8be0dd57ae8a132efbfb284c6f9fd2bdf","source":{"kind":"arxiv","id":"2209.02661","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2209.02661","created_at":"2026-07-05T04:55:13Z"},{"alias_kind":"arxiv_version","alias_value":"2209.02661v1","created_at":"2026-07-05T04:55:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2209.02661","created_at":"2026-07-05T04:55:13Z"},{"alias_kind":"pith_short_12","alias_value":"4RTDFS2ITSGZ","created_at":"2026-07-05T04:55:13Z"},{"alias_kind":"pith_short_16","alias_value":"4RTDFS2ITSGZ2FRJ","created_at":"2026-07-05T04:55:13Z"},{"alias_kind":"pith_short_8","alias_value":"4RTDFS2I","created_at":"2026-07-05T04:55:13Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2022:4RTDFS2ITSGZ2FRJXBQJGRWS5C","target":"record","payload":{"canonical_record":{"source":{"id":"2209.02661","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"eess.SP","submitted_at":"2022-09-06T17:18:08Z","cross_cats_sorted":["cs.AR"],"title_canon_sha256":"26ff415ebaea8ffbf3ccf0be660ea4e43af989f91f2f9b3fb76cac53ba5c4e87","abstract_canon_sha256":"400e214a9c23f37491c5b6e59f1cb881c0645c80ec19f195f3e136ab414af73b"},"schema_version":"1.0"},"canonical_sha256":"e46632cb489c8d9d1629b8609346d2e8be0dd57ae8a132efbfb284c6f9fd2bdf","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T04:55:13.848531Z","signature_b64":"ABrRVgW82bLXRPtyHpyvQpVbQLJX3KLxlY0JwxtT4TcsLhG+OoKBKznoMJ5WIQGrZtFBBD4dtEn6/U9w33QEAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e46632cb489c8d9d1629b8609346d2e8be0dd57ae8a132efbfb284c6f9fd2bdf","last_reissued_at":"2026-07-05T04:55:13.848115Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T04:55:13.848115Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2209.02661","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":"2026-07-05T04:55:13Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"dq5/SOdMFAhWni2qcD1q23DoPP2xJKa1kKqZcSH/vUkqkXLWcTR+J7HTJ1iMsXB+cRAKH8j6lJEPja7a0yVUAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-10T04:49:13.575157Z"},"content_sha256":"da0d28fa1c4655146544fb06905cecb198dae14083ee4b8d04548f174f68b24c","schema_version":"1.0","event_id":"sha256:da0d28fa1c4655146544fb06905cecb198dae14083ee4b8d04548f174f68b24c"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2022:4RTDFS2ITSGZ2FRJXBQJGRWS5C","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Hardware Software Co-design of Statistical and Deep Learning Frameworks for Wideband Sensing on Zynq System on Chip","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cs.AR"],"primary_cat":"eess.SP","authors_text":"Akshay Jain, Animesh Sharma, Rohith Rajesh, Shivam Chandhok, Sumit J. Darak","submitted_at":"2022-09-06T17:18:08Z","abstract_excerpt":"With the introduction of spectrum sharing and heterogeneous services in next-generation networks, the base stations need to sense the wideband spectrum and identify the spectrum resources to meet the quality-of-service, bandwidth, and latency constraints. Sub-Nyquist sampling (SNS) enables digitization for sparse wideband spectrum without needing Nyquist speed analog-to-digital converters. However, SNS demands additional signal processing algorithms for spectrum reconstruction, such as the well-known orthogonal matching pursuit (OMP) algorithm. OMP is also widely used in other compressed sensi"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2209.02661","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/2209.02661/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":"2026-07-05T04:55:13Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Doyn4W1NmObS0LSy6+2XTQaJ7sPzoSiIRC9Vf7Y34W5Tbbt+FbwO39galuMLoWN5mGWl5C8ov93H/zQL/Pe7DQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-10T04:49:13.575560Z"},"content_sha256":"452eb2ddfea8b8c2bb9f42187e9853277ec57c965a165343ef134eaa5703487a","schema_version":"1.0","event_id":"sha256:452eb2ddfea8b8c2bb9f42187e9853277ec57c965a165343ef134eaa5703487a"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/4RTDFS2ITSGZ2FRJXBQJGRWS5C/bundle.json","state_url":"https://pith.science/pith/4RTDFS2ITSGZ2FRJXBQJGRWS5C/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/4RTDFS2ITSGZ2FRJXBQJGRWS5C/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":"2026-07-10T04:49:13Z","links":{"resolver":"https://pith.science/pith/4RTDFS2ITSGZ2FRJXBQJGRWS5C","bundle":"https://pith.science/pith/4RTDFS2ITSGZ2FRJXBQJGRWS5C/bundle.json","state":"https://pith.science/pith/4RTDFS2ITSGZ2FRJXBQJGRWS5C/state.json","well_known_bundle":"https://pith.science/.well-known/pith/4RTDFS2ITSGZ2FRJXBQJGRWS5C/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:4RTDFS2ITSGZ2FRJXBQJGRWS5C","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":"400e214a9c23f37491c5b6e59f1cb881c0645c80ec19f195f3e136ab414af73b","cross_cats_sorted":["cs.AR"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"eess.SP","submitted_at":"2022-09-06T17:18:08Z","title_canon_sha256":"26ff415ebaea8ffbf3ccf0be660ea4e43af989f91f2f9b3fb76cac53ba5c4e87"},"schema_version":"1.0","source":{"id":"2209.02661","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2209.02661","created_at":"2026-07-05T04:55:13Z"},{"alias_kind":"arxiv_version","alias_value":"2209.02661v1","created_at":"2026-07-05T04:55:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2209.02661","created_at":"2026-07-05T04:55:13Z"},{"alias_kind":"pith_short_12","alias_value":"4RTDFS2ITSGZ","created_at":"2026-07-05T04:55:13Z"},{"alias_kind":"pith_short_16","alias_value":"4RTDFS2ITSGZ2FRJ","created_at":"2026-07-05T04:55:13Z"},{"alias_kind":"pith_short_8","alias_value":"4RTDFS2I","created_at":"2026-07-05T04:55:13Z"}],"graph_snapshots":[{"event_id":"sha256:452eb2ddfea8b8c2bb9f42187e9853277ec57c965a165343ef134eaa5703487a","target":"graph","created_at":"2026-07-05T04:55:13Z","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/2209.02661/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"With the introduction of spectrum sharing and heterogeneous services in next-generation networks, the base stations need to sense the wideband spectrum and identify the spectrum resources to meet the quality-of-service, bandwidth, and latency constraints. Sub-Nyquist sampling (SNS) enables digitization for sparse wideband spectrum without needing Nyquist speed analog-to-digital converters. However, SNS demands additional signal processing algorithms for spectrum reconstruction, such as the well-known orthogonal matching pursuit (OMP) algorithm. OMP is also widely used in other compressed sensi","authors_text":"Akshay Jain, Animesh Sharma, Rohith Rajesh, Shivam Chandhok, Sumit J. Darak","cross_cats":["cs.AR"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"eess.SP","submitted_at":"2022-09-06T17:18:08Z","title":"Hardware Software Co-design of Statistical and Deep Learning Frameworks for Wideband Sensing on Zynq System on Chip"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2209.02661","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:da0d28fa1c4655146544fb06905cecb198dae14083ee4b8d04548f174f68b24c","target":"record","created_at":"2026-07-05T04:55:13Z","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":"400e214a9c23f37491c5b6e59f1cb881c0645c80ec19f195f3e136ab414af73b","cross_cats_sorted":["cs.AR"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"eess.SP","submitted_at":"2022-09-06T17:18:08Z","title_canon_sha256":"26ff415ebaea8ffbf3ccf0be660ea4e43af989f91f2f9b3fb76cac53ba5c4e87"},"schema_version":"1.0","source":{"id":"2209.02661","kind":"arxiv","version":1}},"canonical_sha256":"e46632cb489c8d9d1629b8609346d2e8be0dd57ae8a132efbfb284c6f9fd2bdf","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e46632cb489c8d9d1629b8609346d2e8be0dd57ae8a132efbfb284c6f9fd2bdf","first_computed_at":"2026-07-05T04:55:13.848115Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T04:55:13.848115Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ABrRVgW82bLXRPtyHpyvQpVbQLJX3KLxlY0JwxtT4TcsLhG+OoKBKznoMJ5WIQGrZtFBBD4dtEn6/U9w33QEAw==","signature_status":"signed_v1","signed_at":"2026-07-05T04:55:13.848531Z","signed_message":"canonical_sha256_bytes"},"source_id":"2209.02661","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:da0d28fa1c4655146544fb06905cecb198dae14083ee4b8d04548f174f68b24c","sha256:452eb2ddfea8b8c2bb9f42187e9853277ec57c965a165343ef134eaa5703487a"],"state_sha256":"dc83d7496c92a78b9f39e201f4fa6b276e0f2e7aca92b280251a662f598a5f25"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"0rwAk38Cqwk1IV1DxG5lboXZiCa/iLGpgEL92/bx03WbO5O/sF8AJx9IRjMiseXibqNoOkHOQG8xUk/iyKpYCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-10T04:49:13.577523Z","bundle_sha256":"243c21515855080373ed873244d64b12397fa2f88c10c2cec0b20e5efae75e40"}}