Pith Number

pith:4WZHRCQB

pith:2015:4WZHRCQBSDLK2WJFM4CHDNZXVG

not attested not anchored not stored refs pending

On some general solutions of the simple Pell equation

Vladimir Pletser

arxiv:1501.06051 v1 · 2015-01-24 · 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{4WZHRCQBSDLK2WJFM4CHDNZXVG}

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	2026-05-18T02:28:46.987581Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e5b2788a0190d6ad5925670471b737a9b87d9ccac14cc9ac244e272e8e469308

Aliases

arxiv: 1501.06051 · arxiv_version: 1501.06051v1 · doi: 10.48550/arxiv.1501.06051 · pith_short_12: 4WZHRCQBSDLK · pith_short_16: 4WZHRCQBSDLK2WJF · pith_short_8: 4WZHRCQB

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/4WZHRCQBSDLK2WJFM4CHDNZXVG \
  | 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: e5b2788a0190d6ad5925670471b737a9b87d9ccac14cc9ac244e272e8e469308

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "554570f0438cec58b24d5c2971a315c6e089fc6d2a1d58cf0f398493b7472bed",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NT",
    "submitted_at": "2015-01-24T15:23:21Z",
    "title_canon_sha256": "f16160b99004a689e476b30f7bc5b0c9cddfd9c331d69a2c35e9f1d066677ab3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.06051",
    "kind": "arxiv",
    "version": 1
  }
}