{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:ZECVCQKRGBEEWUZWIFH4U5CCPM","short_pith_number":"pith:ZECVCQKR","canonical_record":{"source":{"id":"1102.0377","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2011-02-02T08:14:29Z","cross_cats_sorted":[],"title_canon_sha256":"84155ad610903148627152eb0d0ab7d145a90345fb97f01d85ad2f21b86f08d2","abstract_canon_sha256":"4af4f643e8fd18c8cfaf288c3b75935a2fd8301b8057b39a737dbe5cb00668fd"},"schema_version":"1.0"},"canonical_sha256":"c90551415130484b5336414fca74427b124be07fe2176a1ecd3e2bb326b18670","source":{"kind":"arxiv","id":"1102.0377","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1102.0377","created_at":"2026-05-18T02:22:41Z"},{"alias_kind":"arxiv_version","alias_value":"1102.0377v1","created_at":"2026-05-18T02:22:41Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1102.0377","created_at":"2026-05-18T02:22:41Z"},{"alias_kind":"pith_short_12","alias_value":"ZECVCQKRGBEE","created_at":"2026-05-18T12:26:47Z"},{"alias_kind":"pith_short_16","alias_value":"ZECVCQKRGBEEWUZW","created_at":"2026-05-18T12:26:47Z"},{"alias_kind":"pith_short_8","alias_value":"ZECVCQKR","created_at":"2026-05-18T12:26:47Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:ZECVCQKRGBEEWUZWIFH4U5CCPM","target":"record","payload":{"canonical_record":{"source":{"id":"1102.0377","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2011-02-02T08:14:29Z","cross_cats_sorted":[],"title_canon_sha256":"84155ad610903148627152eb0d0ab7d145a90345fb97f01d85ad2f21b86f08d2","abstract_canon_sha256":"4af4f643e8fd18c8cfaf288c3b75935a2fd8301b8057b39a737dbe5cb00668fd"},"schema_version":"1.0"},"canonical_sha256":"c90551415130484b5336414fca74427b124be07fe2176a1ecd3e2bb326b18670","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:22:41.218359Z","signature_b64":"iApqs8hvCQiAcRYDTvDyY3hMgn9FzBQ2imoBYoQgD2Tp2qADQ4Dna61B+wwhSNhKUPMOqsw4ih+kQjyk+EOtBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c90551415130484b5336414fca74427b124be07fe2176a1ecd3e2bb326b18670","last_reissued_at":"2026-05-18T02:22:41.217678Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:22:41.217678Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1102.0377","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":"2026-05-18T02:22:41Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"0LeMqEpXfxk6d+QaEWgv3qhfMsEB1ZZhz71d+4IlQoTImeIExldra/SXQiX0gEyqjTCel4oytmKcAUGLJcPlDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T21:28:30.111982Z"},"content_sha256":"62f379634f2747eeed990e3ed8255a911f6074ac47fdcee8c06f671e90bbaafe","schema_version":"1.0","event_id":"sha256:62f379634f2747eeed990e3ed8255a911f6074ac47fdcee8c06f671e90bbaafe"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:ZECVCQKRGBEEWUZWIFH4U5CCPM","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"High Performance Power Spectrum Analysis Using a FPGA Based Reconfigurable Computing Platform","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.IM","authors_text":"(2) Raman Research Institute, Bangalore, C.R. Subrahmanya (2), India, India), Peeyush Prasad (2) ((1) Center for Development of Advanced Computing (C-DAC) Pune, Sajish C. (1), Yogesh Agarwal (1), Yogindra Abhyankar (1)","submitted_at":"2011-02-02T08:14:29Z","abstract_excerpt":"Power-spectrum analysis is an important tool providing critical information about a signal. The range of applications includes communication-systems to DNA-sequencing. If there is interference present on a transmitted signal, it could be due to a natural cause or superimposed forcefully. In the latter case, its early detection and analysis becomes important. In such situations having a small observation window, a quick look at power-spectrum can reveal a great deal of information, including frequency and source of interference. In this paper, we present our design of a FPGA based reconfigurabl"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1102.0377","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":"2026-05-18T02:22:41Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"eyZWFDP9BAHOugAkdHjViARHp24hbcf6EH1WcIdVqFuxejhAbR5/3gx4Ltel01bu5rhOonR7XP7f6oFxZi00Bw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T21:28:30.112623Z"},"content_sha256":"e7718bfad9caaa3895a6cfcdf3413a99c1dc47ac85e3ec08b1354ac6ad1c8562","schema_version":"1.0","event_id":"sha256:e7718bfad9caaa3895a6cfcdf3413a99c1dc47ac85e3ec08b1354ac6ad1c8562"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/ZECVCQKRGBEEWUZWIFH4U5CCPM/bundle.json","state_url":"https://pith.science/pith/ZECVCQKRGBEEWUZWIFH4U5CCPM/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/ZECVCQKRGBEEWUZWIFH4U5CCPM/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":"2026-05-31T21:28:30Z","links":{"resolver":"https://pith.science/pith/ZECVCQKRGBEEWUZWIFH4U5CCPM","bundle":"https://pith.science/pith/ZECVCQKRGBEEWUZWIFH4U5CCPM/bundle.json","state":"https://pith.science/pith/ZECVCQKRGBEEWUZWIFH4U5CCPM/state.json","well_known_bundle":"https://pith.science/.well-known/pith/ZECVCQKRGBEEWUZWIFH4U5CCPM/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:ZECVCQKRGBEEWUZWIFH4U5CCPM","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":"4af4f643e8fd18c8cfaf288c3b75935a2fd8301b8057b39a737dbe5cb00668fd","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2011-02-02T08:14:29Z","title_canon_sha256":"84155ad610903148627152eb0d0ab7d145a90345fb97f01d85ad2f21b86f08d2"},"schema_version":"1.0","source":{"id":"1102.0377","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1102.0377","created_at":"2026-05-18T02:22:41Z"},{"alias_kind":"arxiv_version","alias_value":"1102.0377v1","created_at":"2026-05-18T02:22:41Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1102.0377","created_at":"2026-05-18T02:22:41Z"},{"alias_kind":"pith_short_12","alias_value":"ZECVCQKRGBEE","created_at":"2026-05-18T12:26:47Z"},{"alias_kind":"pith_short_16","alias_value":"ZECVCQKRGBEEWUZW","created_at":"2026-05-18T12:26:47Z"},{"alias_kind":"pith_short_8","alias_value":"ZECVCQKR","created_at":"2026-05-18T12:26:47Z"}],"graph_snapshots":[{"event_id":"sha256:e7718bfad9caaa3895a6cfcdf3413a99c1dc47ac85e3ec08b1354ac6ad1c8562","target":"graph","created_at":"2026-05-18T02:22:41Z","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":"Power-spectrum analysis is an important tool providing critical information about a signal. The range of applications includes communication-systems to DNA-sequencing. If there is interference present on a transmitted signal, it could be due to a natural cause or superimposed forcefully. In the latter case, its early detection and analysis becomes important. In such situations having a small observation window, a quick look at power-spectrum can reveal a great deal of information, including frequency and source of interference. In this paper, we present our design of a FPGA based reconfigurabl","authors_text":"(2) Raman Research Institute, Bangalore, C.R. Subrahmanya (2), India, India), Peeyush Prasad (2) ((1) Center for Development of Advanced Computing (C-DAC) Pune, Sajish C. (1), Yogesh Agarwal (1), Yogindra Abhyankar (1)","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2011-02-02T08:14:29Z","title":"High Performance Power Spectrum Analysis Using a FPGA Based Reconfigurable Computing Platform"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1102.0377","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":"sha256:62f379634f2747eeed990e3ed8255a911f6074ac47fdcee8c06f671e90bbaafe","target":"record","created_at":"2026-05-18T02:22:41Z","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":"4af4f643e8fd18c8cfaf288c3b75935a2fd8301b8057b39a737dbe5cb00668fd","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2011-02-02T08:14:29Z","title_canon_sha256":"84155ad610903148627152eb0d0ab7d145a90345fb97f01d85ad2f21b86f08d2"},"schema_version":"1.0","source":{"id":"1102.0377","kind":"arxiv","version":1}},"canonical_sha256":"c90551415130484b5336414fca74427b124be07fe2176a1ecd3e2bb326b18670","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c90551415130484b5336414fca74427b124be07fe2176a1ecd3e2bb326b18670","first_computed_at":"2026-05-18T02:22:41.217678Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:22:41.217678Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"iApqs8hvCQiAcRYDTvDyY3hMgn9FzBQ2imoBYoQgD2Tp2qADQ4Dna61B+wwhSNhKUPMOqsw4ih+kQjyk+EOtBA==","signature_status":"signed_v1","signed_at":"2026-05-18T02:22:41.218359Z","signed_message":"canonical_sha256_bytes"},"source_id":"1102.0377","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:62f379634f2747eeed990e3ed8255a911f6074ac47fdcee8c06f671e90bbaafe","sha256:e7718bfad9caaa3895a6cfcdf3413a99c1dc47ac85e3ec08b1354ac6ad1c8562"],"state_sha256":"758da4ee5fc689861a13f4a93d56b16d2af51a45f64b38315da8e7f8d8a982b2"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"x4J8bBReFoEzkxfb1wFQuFjZqZHl5pmI5rtYYmNIsma49ujAI0W2sIkFZU6MdbFqQaRWRYY55eXL4yQGQ09wAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-31T21:28:30.115573Z","bundle_sha256":"0e4d20fbed55b0ab175a503829b85e4fa0c0f2354044291fa77bb0d9003431ee"}}