Pith Number

pith:E44MFWDC

pith:2011:E44MFWDC5EM4JDO3GWVLW4X4BK

not attested not anchored not stored refs pending

Quaternion Orders and Ternary Quadratic Forms

Stefan Lemurell

arxiv:1103.4922 v1 · 2011-03-25 · 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{E44MFWDC5EM4JDO3GWVLW4X4BK}

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	2026-05-18T04:25:48.371120Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2738c2d862e919c48ddb35aabb72fc0ab85395bad24498b11d76950ab0ead868

Aliases

arxiv: 1103.4922 · arxiv_version: 1103.4922v1 · doi: 10.48550/arxiv.1103.4922 · pith_short_12: E44MFWDC5EM4 · pith_short_16: E44MFWDC5EM4JDO3 · pith_short_8: E44MFWDC

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/E44MFWDC5EM4JDO3GWVLW4X4BK \
  | 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: 2738c2d862e919c48ddb35aabb72fc0ab85395bad24498b11d76950ab0ead868

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9c5e2bf81c72c14a248391ef47002430c1c3f7fdc339d689e2220553b7ac10b5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NT",
    "submitted_at": "2011-03-25T07:50:11Z",
    "title_canon_sha256": "32e141149c08b802b103b90f191dafa82d751cec6b7398dcf0b0858586614bbf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1103.4922",
    "kind": "arxiv",
    "version": 1
  }
}