Pith Number

pith:QVEPFWGE

pith:2013:QVEPFWGE25GLNWUIR5YBQRFEHN

not attested not anchored not stored refs pending

Hurwitz ball quotients

Matthew Stover

arxiv:1308.4353 v2 · 2013-08-20 · math.GT · math.AG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QVEPFWGE25GLNWUIR5YBQRFEHN}

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	2026-05-18T02:58:34.857989Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8548f2d8c4d74cb6da888f701844a43b708bcd64c66f9df8f31b6c157eb5d771

Aliases

arxiv: 1308.4353 · arxiv_version: 1308.4353v2 · doi: 10.48550/arxiv.1308.4353 · pith_short_12: QVEPFWGE25GL · pith_short_16: QVEPFWGE25GLNWUI · pith_short_8: QVEPFWGE

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/QVEPFWGE25GLNWUIR5YBQRFEHN \
  | 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: 8548f2d8c4d74cb6da888f701844a43b708bcd64c66f9df8f31b6c157eb5d771

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a1ea022e8fa8b910172a415bd3ff9320b8768ddbcb2bc6a583874f2d2ad61a1e",
    "cross_cats_sorted": [
      "math.AG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GT",
    "submitted_at": "2013-08-20T17:15:20Z",
    "title_canon_sha256": "66d7adee586271447d224bb20d314ab403a6fc27068fd786094e1c545a88d0ac"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.4353",
    "kind": "arxiv",
    "version": 2
  }
}