Pith Number

pith:VKSBVYVX

pith:2019:VKSBVYVXPUICDTKSSVYS4GMOER

not attested not anchored not stored refs pending

Fast generalized DFTs for all finite groups

Chris Umans

arxiv:1901.02536 v1 · 2019-01-08 · cs.DS · math.GR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VKSBVYVXPUICDTKSSVYS4GMOER}

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	2026-05-17T23:56:40.259525Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

aaa41ae2b77d1021cd5295712e198e2453a9385d87210eaa7b9d44eedca3ef77

Aliases

arxiv: 1901.02536 · arxiv_version: 1901.02536v1 · doi: 10.48550/arxiv.1901.02536 · pith_short_12: VKSBVYVXPUIC · pith_short_16: VKSBVYVXPUICDTKS · pith_short_8: VKSBVYVX

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/VKSBVYVXPUICDTKSSVYS4GMOER \
  | 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: aaa41ae2b77d1021cd5295712e198e2453a9385d87210eaa7b9d44eedca3ef77

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e292f3d6bea110f85c1579d19c541379d730ef2a7ef4cd26df0e080849714126",
    "cross_cats_sorted": [
      "math.GR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2019-01-08T22:02:50Z",
    "title_canon_sha256": "b359ace788d9302d1b3150ef54ed6b9ef5eefa115600a8b756ee4b5abf1d7bd6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.02536",
    "kind": "arxiv",
    "version": 1
  }
}