Pith Number

pith:SLORN76Y

pith:2002:SLORN76YGN7VIWQSGJMU5O3ZDI

not attested not anchored not stored refs pending

The Primary Pretenders

J. H. Conway, N. J. A. Sloane, R. K. Guy, W. A. Schneeberger

arxiv:math/0207180 v1 · 2002-07-21 · math.NT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SLORN76YGN7VIWQSGJMU5O3ZDI}

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	2026-05-18T01:05:29.453336Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

92dd16ffd8337f545a1232594ebb791a3fb70e34e4f2542c599c03c85dd593cf

Aliases

arxiv: math/0207180 · arxiv_version: math/0207180v1 · doi: 10.48550/arxiv.math/0207180 · pith_short_12: SLORN76YGN7V · pith_short_16: SLORN76YGN7VIWQS · pith_short_8: SLORN76Y

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/SLORN76YGN7VIWQSGJMU5O3ZDI \
  | 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: 92dd16ffd8337f545a1232594ebb791a3fb70e34e4f2542c599c03c85dd593cf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "abdac78bb1970afbbeddf00269d3d9cc81f0c69ec3edd300177c407d3eb92349",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "math.NT",
    "submitted_at": "2002-07-21T01:52:38Z",
    "title_canon_sha256": "c3d69f36db265b7037d27ff7ee5485c0c6290bdd6b8e365342ea51c763d58b10"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0207180",
    "kind": "arxiv",
    "version": 1
  }
}