{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:LGNI37SP7X2MJEW45DV7OKJRVH","short_pith_number":"pith:LGNI37SP","canonical_record":{"source":{"id":"1501.00151","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2014-12-31T15:23:23Z","cross_cats_sorted":["math.IT"],"title_canon_sha256":"a4d2403b64fcfd1dbd2273e4b1893aae84316196de7afdd8cc46e407ba19304e","abstract_canon_sha256":"d2b8d5f9bd4250efe046a1e2fa9d9d4a5c26b964aaa594602c5fb7bf1a820f12"},"schema_version":"1.0"},"canonical_sha256":"599a8dfe4ffdf4c492dce8ebf72931a9f24d1d92ceb7122f10353a062a341df4","source":{"kind":"arxiv","id":"1501.00151","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1501.00151","created_at":"2026-05-18T02:30:10Z"},{"alias_kind":"arxiv_version","alias_value":"1501.00151v1","created_at":"2026-05-18T02:30:10Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1501.00151","created_at":"2026-05-18T02:30:10Z"},{"alias_kind":"pith_short_12","alias_value":"LGNI37SP7X2M","created_at":"2026-05-18T12:28:38Z"},{"alias_kind":"pith_short_16","alias_value":"LGNI37SP7X2MJEW4","created_at":"2026-05-18T12:28:38Z"},{"alias_kind":"pith_short_8","alias_value":"LGNI37SP","created_at":"2026-05-18T12:28:38Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:LGNI37SP7X2MJEW45DV7OKJRVH","target":"record","payload":{"canonical_record":{"source":{"id":"1501.00151","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2014-12-31T15:23:23Z","cross_cats_sorted":["math.IT"],"title_canon_sha256":"a4d2403b64fcfd1dbd2273e4b1893aae84316196de7afdd8cc46e407ba19304e","abstract_canon_sha256":"d2b8d5f9bd4250efe046a1e2fa9d9d4a5c26b964aaa594602c5fb7bf1a820f12"},"schema_version":"1.0"},"canonical_sha256":"599a8dfe4ffdf4c492dce8ebf72931a9f24d1d92ceb7122f10353a062a341df4","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:30:10.021741Z","signature_b64":"/t+7t6+N6//jaWgbjtphVyaiYm9XPD7POlzdfWucb6lUw2gyvIF9EABopEc5MZ/eS0A79cKSrYWMIkhz58ftAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"599a8dfe4ffdf4c492dce8ebf72931a9f24d1d92ceb7122f10353a062a341df4","last_reissued_at":"2026-05-18T02:30:10.021332Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:30:10.021332Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1501.00151","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":"2026-05-18T02:30:10Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"nPuuKNmHB2S6uslJUM6bR5IivMhhVbjHrwQrDwLLL+BAOb/JyDKRsjY5F1qtw5ElBet+fPI6SeOUAjJkylUrAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-21T15:29:03.555933Z"},"content_sha256":"227985b43e703d02f690143e236930db30ae05315d11a14428222fda4af03544","schema_version":"1.0","event_id":"sha256:227985b43e703d02f690143e236930db30ae05315d11a14428222fda4af03544"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:LGNI37SP7X2MJEW45DV7OKJRVH","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A Novel Compressed Sensing Based Model for Reconstructing Sparse Signals Using Phase Sparse Character","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["math.IT"],"primary_cat":"cs.IT","authors_text":"Jiangfeng Ye, Jie Zhou, Jun Yan, Lin Zou, Qun Wan, Zhengli Xing","submitted_at":"2014-12-31T15:23:23Z","abstract_excerpt":"Phase modulation is a commonly used modulation mode in digital communication, which usually brings phase sparsity to digital signals. It is naturally to connect the sparsity with the newly emerged theory of compressed sensing (CS), which enables sub-Nyquist sampling of high-bandwidth to sparse signals. For the present, applications of CS theory in communication field mainly focus on spectrum sensing, sparse channel estimation etc. Few of current researches take the phase sparse character into consideration. In this paper, we establish the novel model of phase modulation signals based on phase "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1501.00151","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":""},"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":"2026-05-18T02:30:10Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"8bKiUppakDzu/u8LPvQI96Qmpk0Ef3uzmxSlxlDve1x05PrnzE3wPwZvE409wgGqxftq2RFjqf+TqVRW8MIyDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-21T15:29:03.556335Z"},"content_sha256":"efaac9b052f517608239b9ca84bd5f85b9240c40c6f9e7062d24edcc96d01a04","schema_version":"1.0","event_id":"sha256:efaac9b052f517608239b9ca84bd5f85b9240c40c6f9e7062d24edcc96d01a04"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/LGNI37SP7X2MJEW45DV7OKJRVH/bundle.json","state_url":"https://pith.science/pith/LGNI37SP7X2MJEW45DV7OKJRVH/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/LGNI37SP7X2MJEW45DV7OKJRVH/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":"2026-05-21T15:29:03Z","links":{"resolver":"https://pith.science/pith/LGNI37SP7X2MJEW45DV7OKJRVH","bundle":"https://pith.science/pith/LGNI37SP7X2MJEW45DV7OKJRVH/bundle.json","state":"https://pith.science/pith/LGNI37SP7X2MJEW45DV7OKJRVH/state.json","well_known_bundle":"https://pith.science/.well-known/pith/LGNI37SP7X2MJEW45DV7OKJRVH/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:LGNI37SP7X2MJEW45DV7OKJRVH","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":"d2b8d5f9bd4250efe046a1e2fa9d9d4a5c26b964aaa594602c5fb7bf1a820f12","cross_cats_sorted":["math.IT"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2014-12-31T15:23:23Z","title_canon_sha256":"a4d2403b64fcfd1dbd2273e4b1893aae84316196de7afdd8cc46e407ba19304e"},"schema_version":"1.0","source":{"id":"1501.00151","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1501.00151","created_at":"2026-05-18T02:30:10Z"},{"alias_kind":"arxiv_version","alias_value":"1501.00151v1","created_at":"2026-05-18T02:30:10Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1501.00151","created_at":"2026-05-18T02:30:10Z"},{"alias_kind":"pith_short_12","alias_value":"LGNI37SP7X2M","created_at":"2026-05-18T12:28:38Z"},{"alias_kind":"pith_short_16","alias_value":"LGNI37SP7X2MJEW4","created_at":"2026-05-18T12:28:38Z"},{"alias_kind":"pith_short_8","alias_value":"LGNI37SP","created_at":"2026-05-18T12:28:38Z"}],"graph_snapshots":[{"event_id":"sha256:efaac9b052f517608239b9ca84bd5f85b9240c40c6f9e7062d24edcc96d01a04","target":"graph","created_at":"2026-05-18T02:30:10Z","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"},"paper":{"abstract_excerpt":"Phase modulation is a commonly used modulation mode in digital communication, which usually brings phase sparsity to digital signals. It is naturally to connect the sparsity with the newly emerged theory of compressed sensing (CS), which enables sub-Nyquist sampling of high-bandwidth to sparse signals. For the present, applications of CS theory in communication field mainly focus on spectrum sensing, sparse channel estimation etc. Few of current researches take the phase sparse character into consideration. In this paper, we establish the novel model of phase modulation signals based on phase ","authors_text":"Jiangfeng Ye, Jie Zhou, Jun Yan, Lin Zou, Qun Wan, Zhengli Xing","cross_cats":["math.IT"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2014-12-31T15:23:23Z","title":"A Novel Compressed Sensing Based Model for Reconstructing Sparse Signals Using Phase Sparse Character"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1501.00151","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":"sha256:227985b43e703d02f690143e236930db30ae05315d11a14428222fda4af03544","target":"record","created_at":"2026-05-18T02:30:10Z","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":"d2b8d5f9bd4250efe046a1e2fa9d9d4a5c26b964aaa594602c5fb7bf1a820f12","cross_cats_sorted":["math.IT"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2014-12-31T15:23:23Z","title_canon_sha256":"a4d2403b64fcfd1dbd2273e4b1893aae84316196de7afdd8cc46e407ba19304e"},"schema_version":"1.0","source":{"id":"1501.00151","kind":"arxiv","version":1}},"canonical_sha256":"599a8dfe4ffdf4c492dce8ebf72931a9f24d1d92ceb7122f10353a062a341df4","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"599a8dfe4ffdf4c492dce8ebf72931a9f24d1d92ceb7122f10353a062a341df4","first_computed_at":"2026-05-18T02:30:10.021332Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:30:10.021332Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"/t+7t6+N6//jaWgbjtphVyaiYm9XPD7POlzdfWucb6lUw2gyvIF9EABopEc5MZ/eS0A79cKSrYWMIkhz58ftAw==","signature_status":"signed_v1","signed_at":"2026-05-18T02:30:10.021741Z","signed_message":"canonical_sha256_bytes"},"source_id":"1501.00151","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:227985b43e703d02f690143e236930db30ae05315d11a14428222fda4af03544","sha256:efaac9b052f517608239b9ca84bd5f85b9240c40c6f9e7062d24edcc96d01a04"],"state_sha256":"d383ef0a8bbdd43f7c4904b4e45152edbc6951a88b27b9b55394ead324f3b347"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Cfnpfy67roi/WWVcYiK13prRrv3vfr/93dEHCbSLW1NRNzMwVwhiBtf73UbJfn4Fmep/rebCEGkUPL9mnq5hAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-21T15:29:03.558840Z","bundle_sha256":"85865f16d6e8a2dc3b372777389321e05d6d7d68c1460d521181d6d0dcc62a1c"}}