Pith Number

pith:EPFTS3AD

pith:2021:EPFTS3ADM2ZQJWIQDLYZA4G3HX

not attested not anchored not stored refs pending

Fast Stencil Computations using Fast Fourier Transforms

Aaron Gregory, Pramod Ganapathi, Rathish Das, Rezaul Chowdhury, Yimin Zhu, Zafar Ahmad

arxiv:2105.06676 v1 · 2021-05-14 · cs.DS · cs.DC

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EPFTS3ADM2ZQJWIQDLYZA4G3HX}

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	2026-07-05T02:40:12.979645Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

23cb396c0366b304d9101af19070db3df6b6b7773d2ef3bb762076d5722e6710

Aliases

arxiv: 2105.06676 · arxiv_version: 2105.06676v1 · doi: 10.48550/arxiv.2105.06676 · pith_short_12: EPFTS3ADM2ZQ · pith_short_16: EPFTS3ADM2ZQJWIQ · pith_short_8: EPFTS3AD

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/EPFTS3ADM2ZQJWIQDLYZA4G3HX \
  | 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: 23cb396c0366b304d9101af19070db3df6b6b7773d2ef3bb762076d5722e6710

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "afbe12ab353b00bec5b8cfbd8898b938ad4cc7ce78f929da07229fecaec495fb",
    "cross_cats_sorted": [
      "cs.DC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2021-05-14T07:24:36Z",
    "title_canon_sha256": "9252b92c011405d8fcd6df0199a3b133967eca5c01ec603f267141156020690c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2105.06676",
    "kind": "arxiv",
    "version": 1
  }
}