Pith Number

pith:ZB2UYKJQ

pith:2011:ZB2UYKJQRW6UC2ZJ2QWKISI2I5

not attested not anchored not stored refs pending

Perfect cuboids and irreducible polynomials

Ruslan Sharipov

arxiv:1108.5348 v1 · 2011-08-26 · 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{ZB2UYKJQRW6UC2ZJ2QWKISI2I5}

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	2026-05-18T03:57:40.558309Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c8754c29308dbd416b29d42ca4491a4777016602a74715cce261f0a0b03a6b8d

Aliases

arxiv: 1108.5348 · arxiv_version: 1108.5348v1 · doi: 10.48550/arxiv.1108.5348 · pith_short_12: ZB2UYKJQRW6U · pith_short_16: ZB2UYKJQRW6UC2ZJ · pith_short_8: ZB2UYKJQ

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/ZB2UYKJQRW6UC2ZJ2QWKISI2I5 \
  | 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: c8754c29308dbd416b29d42ca4491a4777016602a74715cce261f0a0b03a6b8d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8ae0e9626fb441a619ed925c53e466d241077a5543c5454a162d682a10203564",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NT",
    "submitted_at": "2011-08-26T16:31:00Z",
    "title_canon_sha256": "de894f2d43e269a4b99dd285dd8f80397f9dc20c83a92cd810e02cfbedec0c30"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1108.5348",
    "kind": "arxiv",
    "version": 1
  }
}