Pith Number

pith:SKV4WQRV

pith:2011:SKV4WQRVDXZOQTHFWUXW3NT5U7

not attested not anchored not stored refs pending

A note on the first cuboid conjecture

Ruslan Sharipov

arxiv:1109.2534 v1 · 2011-09-12 · 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{SKV4WQRVDXZOQTHFWUXW3NT5U7}

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.

Cited by

1 paper in Pith

Quartic reductions and elliptic obstructions for perfect Euler bricks

Receipt and verification

First computed	2026-05-18T04:13:37.424280Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

92abcb42351df2e84ce5b52f6db67da7e0ba2c33f0806aef93e2409a3d3475c1

Aliases

arxiv: 1109.2534 · arxiv_version: 1109.2534v1 · doi: 10.48550/arxiv.1109.2534 · pith_short_12: SKV4WQRVDXZO · pith_short_16: SKV4WQRVDXZOQTHF · pith_short_8: SKV4WQRV

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/SKV4WQRVDXZOQTHFWUXW3NT5U7 \
  | 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: 92abcb42351df2e84ce5b52f6db67da7e0ba2c33f0806aef93e2409a3d3475c1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3389886fd9213a6036b0ae13144fc3f1d071d2eef5c14421d854b02de1e22721",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NT",
    "submitted_at": "2011-09-12T17:07:47Z",
    "title_canon_sha256": "09fc05b665bb0b62a84689d6ceb214907cb37c11ac914c2d5a5349faec060b74"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.2534",
    "kind": "arxiv",
    "version": 1
  }
}