{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:ZXJATZNYVRCQLG4IVOXHO6DQPZ","short_pith_number":"pith:ZXJATZNY","canonical_record":{"source":{"id":"1509.04268","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.AR","submitted_at":"2015-09-14T03:46:00Z","cross_cats_sorted":[],"title_canon_sha256":"38064d0cdf7389ac8e4d80f0f7b411e334e68a9b477946907d1d3def758ed85a","abstract_canon_sha256":"dc98a5ad6b13558a74a786cff46197c0692d99a0674780c78b56a94063c6e133"},"schema_version":"1.0"},"canonical_sha256":"cdd209e5b8ac45059b88abae7778707e5899d4e9d288a0c63694d433f4e3dd3d","source":{"kind":"arxiv","id":"1509.04268","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1509.04268","created_at":"2026-05-18T01:33:07Z"},{"alias_kind":"arxiv_version","alias_value":"1509.04268v1","created_at":"2026-05-18T01:33:07Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1509.04268","created_at":"2026-05-18T01:33:07Z"},{"alias_kind":"pith_short_12","alias_value":"ZXJATZNYVRCQ","created_at":"2026-05-18T12:29:52Z"},{"alias_kind":"pith_short_16","alias_value":"ZXJATZNYVRCQLG4I","created_at":"2026-05-18T12:29:52Z"},{"alias_kind":"pith_short_8","alias_value":"ZXJATZNY","created_at":"2026-05-18T12:29:52Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:ZXJATZNYVRCQLG4IVOXHO6DQPZ","target":"record","payload":{"canonical_record":{"source":{"id":"1509.04268","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.AR","submitted_at":"2015-09-14T03:46:00Z","cross_cats_sorted":[],"title_canon_sha256":"38064d0cdf7389ac8e4d80f0f7b411e334e68a9b477946907d1d3def758ed85a","abstract_canon_sha256":"dc98a5ad6b13558a74a786cff46197c0692d99a0674780c78b56a94063c6e133"},"schema_version":"1.0"},"canonical_sha256":"cdd209e5b8ac45059b88abae7778707e5899d4e9d288a0c63694d433f4e3dd3d","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:33:07.564772Z","signature_b64":"q63LK4Mq7mbicUzbmEP8sFhk/kxmMoV/0PqisYOBDtXGnvuulyaMvzkpeo6qq/y+r2d6f1Vxfpb5Qx/ErG2pAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"cdd209e5b8ac45059b88abae7778707e5899d4e9d288a0c63694d433f4e3dd3d","last_reissued_at":"2026-05-18T01:33:07.564335Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:33:07.564335Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1509.04268","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":"2026-05-18T01:33:07Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"HRoFlzQpfUAHvKVdld+TwQrsho55UUxwwW/aE62Li9HP3l+6rKBa+U5IFZJo28NsciDkLMv9OMYmUd9MNBjkBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T04:11:39.818404Z"},"content_sha256":"f74482ba9624d85f837fe5b27d8411e14a81d1c8e4c49177d3726df07128fe39","schema_version":"1.0","event_id":"sha256:f74482ba9624d85f837fe5b27d8411e14a81d1c8e4c49177d3726df07128fe39"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:ZXJATZNYVRCQLG4IVOXHO6DQPZ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"High Speed VLSI Architecture for 3-D Discrete Wavelet Transform","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.AR","authors_text":"Batta Kota Naga Srinivasarao, Indrajit Chakrabarti","submitted_at":"2015-09-14T03:46:00Z","abstract_excerpt":"This paper presents a memory efficient, high throughput parallel lifting based running three dimensional discrete wavelet transform (3-D DWT) architecture. 3-D DWT is constructed by combining the two spatial and four temporal processors. Spatial processor (SP) apply the two dimensional DWT on a frame, using lifting based 9/7 filter bank through the row rocessor (RP) in row direction and then apply in the colum direction through column processor (CP). To reduce the temporal memory and the latency, the temporal processor (TP) has been designed with lifting based 1-D Haar wavelet filter. The prop"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1509.04268","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":"2026-05-18T01:33:07Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"snWJDXSuomqRIpiYAFi3kxUpxTRMg2YR5prJXD4H3sXsbgJe13ZrsMPT+VSKuwvfGE3pkKKaIH5+X5aQEkmKAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T04:11:39.818756Z"},"content_sha256":"1655b28e393e159840c3d88d8c5e4ceea59d5f573516392e879d1911794aa898","schema_version":"1.0","event_id":"sha256:1655b28e393e159840c3d88d8c5e4ceea59d5f573516392e879d1911794aa898"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/ZXJATZNYVRCQLG4IVOXHO6DQPZ/bundle.json","state_url":"https://pith.science/pith/ZXJATZNYVRCQLG4IVOXHO6DQPZ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/ZXJATZNYVRCQLG4IVOXHO6DQPZ/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":"2026-06-01T04:11:39Z","links":{"resolver":"https://pith.science/pith/ZXJATZNYVRCQLG4IVOXHO6DQPZ","bundle":"https://pith.science/pith/ZXJATZNYVRCQLG4IVOXHO6DQPZ/bundle.json","state":"https://pith.science/pith/ZXJATZNYVRCQLG4IVOXHO6DQPZ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/ZXJATZNYVRCQLG4IVOXHO6DQPZ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:ZXJATZNYVRCQLG4IVOXHO6DQPZ","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":"dc98a5ad6b13558a74a786cff46197c0692d99a0674780c78b56a94063c6e133","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.AR","submitted_at":"2015-09-14T03:46:00Z","title_canon_sha256":"38064d0cdf7389ac8e4d80f0f7b411e334e68a9b477946907d1d3def758ed85a"},"schema_version":"1.0","source":{"id":"1509.04268","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1509.04268","created_at":"2026-05-18T01:33:07Z"},{"alias_kind":"arxiv_version","alias_value":"1509.04268v1","created_at":"2026-05-18T01:33:07Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1509.04268","created_at":"2026-05-18T01:33:07Z"},{"alias_kind":"pith_short_12","alias_value":"ZXJATZNYVRCQ","created_at":"2026-05-18T12:29:52Z"},{"alias_kind":"pith_short_16","alias_value":"ZXJATZNYVRCQLG4I","created_at":"2026-05-18T12:29:52Z"},{"alias_kind":"pith_short_8","alias_value":"ZXJATZNY","created_at":"2026-05-18T12:29:52Z"}],"graph_snapshots":[{"event_id":"sha256:1655b28e393e159840c3d88d8c5e4ceea59d5f573516392e879d1911794aa898","target":"graph","created_at":"2026-05-18T01:33:07Z","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":"This paper presents a memory efficient, high throughput parallel lifting based running three dimensional discrete wavelet transform (3-D DWT) architecture. 3-D DWT is constructed by combining the two spatial and four temporal processors. Spatial processor (SP) apply the two dimensional DWT on a frame, using lifting based 9/7 filter bank through the row rocessor (RP) in row direction and then apply in the colum direction through column processor (CP). To reduce the temporal memory and the latency, the temporal processor (TP) has been designed with lifting based 1-D Haar wavelet filter. The prop","authors_text":"Batta Kota Naga Srinivasarao, Indrajit Chakrabarti","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.AR","submitted_at":"2015-09-14T03:46:00Z","title":"High Speed VLSI Architecture for 3-D Discrete Wavelet Transform"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1509.04268","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:f74482ba9624d85f837fe5b27d8411e14a81d1c8e4c49177d3726df07128fe39","target":"record","created_at":"2026-05-18T01:33:07Z","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":"dc98a5ad6b13558a74a786cff46197c0692d99a0674780c78b56a94063c6e133","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.AR","submitted_at":"2015-09-14T03:46:00Z","title_canon_sha256":"38064d0cdf7389ac8e4d80f0f7b411e334e68a9b477946907d1d3def758ed85a"},"schema_version":"1.0","source":{"id":"1509.04268","kind":"arxiv","version":1}},"canonical_sha256":"cdd209e5b8ac45059b88abae7778707e5899d4e9d288a0c63694d433f4e3dd3d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"cdd209e5b8ac45059b88abae7778707e5899d4e9d288a0c63694d433f4e3dd3d","first_computed_at":"2026-05-18T01:33:07.564335Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:33:07.564335Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"q63LK4Mq7mbicUzbmEP8sFhk/kxmMoV/0PqisYOBDtXGnvuulyaMvzkpeo6qq/y+r2d6f1Vxfpb5Qx/ErG2pAQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:33:07.564772Z","signed_message":"canonical_sha256_bytes"},"source_id":"1509.04268","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f74482ba9624d85f837fe5b27d8411e14a81d1c8e4c49177d3726df07128fe39","sha256:1655b28e393e159840c3d88d8c5e4ceea59d5f573516392e879d1911794aa898"],"state_sha256":"6b32dba11dd8af23aa574ac5797f75f4a3867973c3921ab3e37e051025bce49c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"lusWDWlB0l0sWLVFMbp2SlGJRtX0PX1P6sC8Yex85GeOibn9n/miq51xFC9pLuRad61kWICL+/hGuz9k17AtAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-01T04:11:39.821081Z","bundle_sha256":"148f20fa705995061526443f05fb488e0adbaca0a7b22c864a2bdc3cc8b52ac3"}}