Pith Number

pith:XAWDIAFL

pith:2014:XAWDIAFLMBC6GHDI6MSZRHQUBE

not attested not anchored not stored refs pending

A note on the number of $S$-Diophantine quadruples

Florian Luca, Volker Ziegler

arxiv:1403.1674 v2 · 2014-03-07 · 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{XAWDIAFLMBC6GHDI6MSZRHQUBE}

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	2026-05-18T02:55:47.763908Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b82c3400ab6045e31c68f325989e14093f560cc9af06407e5ec464af5e8a6330

Aliases

arxiv: 1403.1674 · arxiv_version: 1403.1674v2 · doi: 10.48550/arxiv.1403.1674 · pith_short_12: XAWDIAFLMBC6 · pith_short_16: XAWDIAFLMBC6GHDI · pith_short_8: XAWDIAFL

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/XAWDIAFLMBC6GHDI6MSZRHQUBE \
  | 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: b82c3400ab6045e31c68f325989e14093f560cc9af06407e5ec464af5e8a6330

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0883feceb55bf5ea4189aba1c0e57789ae3637e267a0f32794e03e105d23c880",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NT",
    "submitted_at": "2014-03-07T07:27:36Z",
    "title_canon_sha256": "236b77b4e55a0e6a07ec393b57801bcd57ece5625be2459c181ac690309bfee6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1403.1674",
    "kind": "arxiv",
    "version": 2
  }
}