Pith Number

pith:4Y34GFKR

pith:2019:4Y34GFKR5O24XQLFDVQVQWJ373

not attested not anchored not stored refs pending

The Shape of Thurston's Master Teapot

Chenxi Wu, Diana Davis, Harrison Bray, Kathryn Lindsey

arxiv:1902.10805 v2 · 2019-02-27 · math.DS · math.CV · math.GT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4Y34GFKR5O24XQLFDVQVQWJ373}

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	2026-07-05T00:54:28.270595Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e637c31551ebb5cbc1651d6158593bfee565d3c11a59081267cf2c98a5c8b73e

Aliases

arxiv: 1902.10805 · arxiv_version: 1902.10805v2 · doi: 10.48550/arxiv.1902.10805 · pith_short_12: 4Y34GFKR5O24 · pith_short_16: 4Y34GFKR5O24XQLF · pith_short_8: 4Y34GFKR

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/4Y34GFKR5O24XQLFDVQVQWJ373 \
  | 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: e637c31551ebb5cbc1651d6158593bfee565d3c11a59081267cf2c98a5c8b73e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "65a4ea701286930ac6341f5aa9e0c897f9775449b902f035b104e3066b492639",
    "cross_cats_sorted": [
      "math.CV",
      "math.GT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2019-02-27T22:07:11Z",
    "title_canon_sha256": "576ac8d18b13fe4eb83b2727d7852a4711f1c2096b0c7abff26980a9e1200032"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.10805",
    "kind": "arxiv",
    "version": 2
  }
}