Pith Number

pith:B5PUW5MK

pith:2012:B5PUW5MKHGNGYCC7UZ2WSYTY7A

not attested not anchored not stored refs pending

Inverse problems associated with perfect cuboids

John Ramsden, Ruslan Sharipov

arxiv:1207.6764 v1 · 2012-07-29 · 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{B5PUW5MKHGNGYCC7UZ2WSYTY7A}

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	2026-05-18T03:49:48.796397Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0f5f4b758a399a6c085fa675696278f81669a7e304f88001b439ef4398314832

Aliases

arxiv: 1207.6764 · arxiv_version: 1207.6764v1 · doi: 10.48550/arxiv.1207.6764 · pith_short_12: B5PUW5MKHGNG · pith_short_16: B5PUW5MKHGNGYCC7 · pith_short_8: B5PUW5MK

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/B5PUW5MKHGNGYCC7UZ2WSYTY7A \
  | 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: 0f5f4b758a399a6c085fa675696278f81669a7e304f88001b439ef4398314832

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7b46701d0abce3ef1395221789e6d53865a020e4b5697a0dbfb6955296b9bdbe",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NT",
    "submitted_at": "2012-07-29T10:24:09Z",
    "title_canon_sha256": "1f4c1189d2c5d67d33b7b0add9a32f29671a7a4f96989d3fb7ead06e112ccb50"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.6764",
    "kind": "arxiv",
    "version": 1
  }
}