Pith Number

pith:LL7K4M6G

pith:2014:LL7K4M6GGZNS2BKVRG45WA455B

not attested not anchored not stored refs pending

S-Diophantine quadruples with $\mathbf{S=\{2,q\}}$

L\'aszl\'o Szalay, Volker Ziegler

arxiv:1403.5876 v2 · 2014-03-24 · 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{LL7K4M6GGZNS2BKVRG45WA455B}

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	2026-05-18T02:46:32.630455Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5afeae33c6365b2d055589b9db039de8667a5d1cb03a37a95d11ef7fff048f17

Aliases

arxiv: 1403.5876 · arxiv_version: 1403.5876v2 · doi: 10.48550/arxiv.1403.5876 · pith_short_12: LL7K4M6GGZNS · pith_short_16: LL7K4M6GGZNS2BKV · pith_short_8: LL7K4M6G

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/LL7K4M6GGZNS2BKVRG45WA455B \
  | 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: 5afeae33c6365b2d055589b9db039de8667a5d1cb03a37a95d11ef7fff048f17

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "813275cdb813fdba819033745c023bfcfbc4a82e53c145fc592bf77238061873",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NT",
    "submitted_at": "2014-03-24T08:21:00Z",
    "title_canon_sha256": "16d6e3bd1d30bd6dcfdadeb915fc43bc80a691cc6ea5ee83b1ef3dc8e4cccea7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1403.5876",
    "kind": "arxiv",
    "version": 2
  }
}