Pith Number

pith:UHETNQKQ

pith:2012:UHETNQKQOP22SW3VTNHA4G5Q2D

not attested not anchored not stored refs pending

On a pair of cubic equations associated with perfect cuboids

Ruslan Sharipov

arxiv:1208.0308 v1 · 2012-08-01 · 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{UHETNQKQOP22SW3VTNHA4G5Q2D}

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	2026-05-18T03:49:35.394263Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a1c936c15073f5a95b759b4e0e1bb0d0e2c93dd5d91061b7e16385084402b583

Aliases

arxiv: 1208.0308 · arxiv_version: 1208.0308v1 · doi: 10.48550/arxiv.1208.0308 · pith_short_12: UHETNQKQOP22 · pith_short_16: UHETNQKQOP22SW3V · pith_short_8: UHETNQKQ

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/UHETNQKQOP22SW3VTNHA4G5Q2D \
  | 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: a1c936c15073f5a95b759b4e0e1bb0d0e2c93dd5d91061b7e16385084402b583

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5fe9553714896acb407ac3c4d9595fe0bd44b512dc15b407edf52a4bad12c5ae",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NT",
    "submitted_at": "2012-08-01T18:17:14Z",
    "title_canon_sha256": "4acf49d37ec02aa8f9e393db71cb683d7fcf48f78bb0138c7a5247d72f407b4a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1208.0308",
    "kind": "arxiv",
    "version": 1
  }
}