Pith Number

pith:4WKBQQWS

pith:2017:4WKBQQWSSHPER7VYWCV2HETLZ2

not attested not anchored not stored refs pending

About the Fricke-Macbeath curve

Ruben A. Hidalgo

arxiv:1703.01869 v2 · 2017-03-06 · 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{4WKBQQWSSHPER7VYWCV2HETLZ2}

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	2026-05-18T00:41:17.867417Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e5941842d291de48feb8b0aba3926bce879b1c86d1072ee9bc332e234b3ae182

Aliases

arxiv: 1703.01869 · arxiv_version: 1703.01869v2 · doi: 10.48550/arxiv.1703.01869 · pith_short_12: 4WKBQQWSSHPE · pith_short_16: 4WKBQQWSSHPER7VY · pith_short_8: 4WKBQQWS

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/4WKBQQWSSHPER7VYWCV2HETLZ2 \
  | 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: e5941842d291de48feb8b0aba3926bce879b1c86d1072ee9bc332e234b3ae182

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d0b4cab58342c6333f08e4a721322a340fac6c6946e6ed4c2d6fb52a7af6e7ed",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2017-03-06T13:47:22Z",
    "title_canon_sha256": "42072cc5eb86ba7b3a5a4c4b4030fab98d38a8e345e81b1f4f09fa7234c61d8c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.01869",
    "kind": "arxiv",
    "version": 2
  }
}