Pith Number

pith:J2NVH5T4

pith:2002:J2NVH5T4Z4E4P3KXPKVKYFZSJN

not attested not anchored not stored refs pending

An Infinitary version of Sperner's lemma

Aarno Hohti

arxiv:math/0208141 v1 · 2002-08-20 · math.GN · math.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{J2NVH5T4Z4E4P3KXPKVKYFZSJN}

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	2026-07-04T14:36:23.028182Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4e9b53f67ccf09c7ed577aaaac17324b5de2c181775e2b93a0ba08a6f69525ac

Aliases

arxiv: math/0208141 · arxiv_version: math/0208141v1 · doi: 10.48550/arxiv.math/0208141 · pith_short_12: J2NVH5T4Z4E4 · pith_short_16: J2NVH5T4Z4E4P3KX · pith_short_8: J2NVH5T4

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/J2NVH5T4Z4E4P3KXPKVKYFZSJN \
  | 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: 4e9b53f67ccf09c7ed577aaaac17324b5de2c181775e2b93a0ba08a6f69525ac

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0497728e7eee21aa0389d1fcdf00b4f6f1d6c0ae7cb8f497f719987e85c84dc0",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "",
    "primary_cat": "math.GN",
    "submitted_at": "2002-08-20T11:46:39Z",
    "title_canon_sha256": "119ebbfe6119a23c11815ec08e3ac456a4904d6ade5c1196600c762438c81033"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0208141",
    "kind": "arxiv",
    "version": 1
  }
}