Pith Number

pith:BICU3WYA

pith:2012:BICU3WYA377SG27WCZACOQ66FW

not attested not anchored not stored refs pending

On singularities of the inverse problems associated with perfect cuboids

John Ramsden, Ruslan Sharipov

arxiv:1208.1859 v1 · 2012-08-09 · 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{BICU3WYA377SG27WCZACOQ66FW}

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	2026-05-18T03:49:09.819209Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0a054ddb00dfff236bf616402743de2d96b711843ced8cc92c08a571390efc2c

Aliases

arxiv: 1208.1859 · arxiv_version: 1208.1859v1 · doi: 10.48550/arxiv.1208.1859 · pith_short_12: BICU3WYA377S · pith_short_16: BICU3WYA377SG27W · pith_short_8: BICU3WYA

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/BICU3WYA377SG27WCZACOQ66FW \
  | 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: 0a054ddb00dfff236bf616402743de2d96b711843ced8cc92c08a571390efc2c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3278369f933b7135a7711526d6b431959559acb0d299aa162b0aa181eb2a8987",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NT",
    "submitted_at": "2012-08-09T09:59:45Z",
    "title_canon_sha256": "aeb7595b7497582c9979248bb0034ed20414ca3f760fc710506b1f4663fa78bd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1208.1859",
    "kind": "arxiv",
    "version": 1
  }
}