pith. sign in
Pith Number

pith:V3ATPB6N

pith:2015:V3ATPB6N7ZNWDWVUFJJJF4SOPV
not attested not anchored not stored refs pending

A Matrix Laurent Series-based Fast Fourier Transform for Blocklengths N=4 (mod 8)

H.M. de Oliveira, R.C. de Oliveira, R.M. Campello de Souza

arxiv:1502.01566 v1 · 2015-02-05 · cs.DS · cs.DM · eess.SP

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{V3ATPB6N7ZNWDWVUFJJJF4SOPV}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp
2 Internet Archive
3 Author claim open · sign in to claim
4 Citations open
5 Replications open
Portable graph bundle live · download bundle · merged state
The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.
Receipt and verification
First computed 2026-05-18T00:24:02.517461Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

aec13787cdfe5b61dab42a5292f24e7d6ea80f2d3d2d3cd3a2cc04a458c8409b

Aliases

arxiv: 1502.01566 · arxiv_version: 1502.01566v1 · doi: 10.48550/arxiv.1502.01566 · pith_short_12: V3ATPB6N7ZNW · pith_short_16: V3ATPB6N7ZNWDWVU · pith_short_8: V3ATPB6N
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/V3ATPB6N7ZNWDWVUFJJJF4SOPV \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: aec13787cdfe5b61dab42a5292f24e7d6ea80f2d3d2d3cd3a2cc04a458c8409b
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "afdbe6512a11d6fbd4fb93366bb76e9997031d1716a856f2dd3f041ed67efd81",
    "cross_cats_sorted": [
      "cs.DM",
      "eess.SP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2015-02-05T14:25:33Z",
    "title_canon_sha256": "ddbf5e0d8ce77fce143ddfcca2144d825702d4848154894ad079f27900472816"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.01566",
    "kind": "arxiv",
    "version": 1
  }
}