Pith Number

pith:4C63H4JC

pith:2016:4C63H4JCKFQKPM6PQ2HCXBARKZ

not attested not anchored not stored refs pending

A fast modulo primes algorithm for searching perfect cuboids and its implementation

D. D. Kashelevskiy, I. R. Kadyrov, N. G. Kutlugallyamov, R. A. Sharipov, R. R. Gallyamov

arxiv:1601.00636 v1 · 2016-01-04 · 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{4C63H4JCKFQKPM6PQ2HCXBARKZ}

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	2026-05-18T01:23:26.895789Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e0bdb3f1225160a7b3cf868e2b8411567987b573a7b3839b49456245e816558d

Aliases

arxiv: 1601.00636 · arxiv_version: 1601.00636v1 · doi: 10.48550/arxiv.1601.00636 · pith_short_12: 4C63H4JCKFQK · pith_short_16: 4C63H4JCKFQKPM6P · pith_short_8: 4C63H4JC

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/4C63H4JCKFQKPM6PQ2HCXBARKZ \
  | 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: e0bdb3f1225160a7b3cf868e2b8411567987b573a7b3839b49456245e816558d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b8c14c2d64acb2ddfd0b85efe834cbcd33d17db1290c5e908b56845ee2bccb81",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NT",
    "submitted_at": "2016-01-04T20:45:19Z",
    "title_canon_sha256": "c1324b60bd2cef95a9a8e002bfa0925f7f435969c6ab24cad3024136ced56637"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1601.00636",
    "kind": "arxiv",
    "version": 1
  }
}