Pith Number

pith:4OKCVKLF

pith:2018:4OKCVKLF3GNWPTSTFXS5FTCWYJ

not attested not anchored not stored refs pending

Two infinite quantities and their surprising relationship

D\'aniel T. Soukup

arxiv:1803.04331 v1 · 2018-03-12 · math.HO · math.LO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4OKCVKLF3GNWPTSTFXS5FTCWYJ}

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	2026-05-18T00:21:29.968241Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e3942aa965d99b67ce532de5d2cc56c2702f0077c039e38ac1dfa9e1984a3280

Aliases

arxiv: 1803.04331 · arxiv_version: 1803.04331v1 · doi: 10.48550/arxiv.1803.04331 · pith_short_12: 4OKCVKLF3GNW · pith_short_16: 4OKCVKLF3GNWPTST · pith_short_8: 4OKCVKLF

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/4OKCVKLF3GNWPTSTFXS5FTCWYJ \
  | 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: e3942aa965d99b67ce532de5d2cc56c2702f0077c039e38ac1dfa9e1984a3280

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f97d555713360cfd24e7816ed76652f807e6be0009dc71ed3dabcbd91064fb11",
    "cross_cats_sorted": [
      "math.LO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.HO",
    "submitted_at": "2018-03-12T15:59:38Z",
    "title_canon_sha256": "e884c18189dd58c504bd76bd04976abf1cbb51ce57c2651442d39ba57795fbb1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.04331",
    "kind": "arxiv",
    "version": 1
  }
}