Pith Number

pith:JQOBSQ4C

pith:2015:JQOBSQ4CBSHIHTJL66D6R6HLJ2

not attested not anchored not stored refs pending

A strategy of numeric search for perfect cuboids in the case of the second cuboid conjecture

A. A. Masharov, R. A. Sharipov

arxiv:1504.07161 v1 · 2015-04-27 · math.NT · math.NA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JQOBSQ4CBSHIHTJL66D6R6HLJ2}

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	2026-05-18T02:17:43.584749Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4c1c1943820c8e83cd2bf787e8f8eb4eae640166a3f8b15410356759d24ab3f4

Aliases

arxiv: 1504.07161 · arxiv_version: 1504.07161v1 · doi: 10.48550/arxiv.1504.07161 · pith_short_12: JQOBSQ4CBSHI · pith_short_16: JQOBSQ4CBSHIHTJL · pith_short_8: JQOBSQ4C

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/JQOBSQ4CBSHIHTJL66D6R6HLJ2 \
  | 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: 4c1c1943820c8e83cd2bf787e8f8eb4eae640166a3f8b15410356759d24ab3f4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "63abe02391ffaa611dcc7d4f6d9e18b45306b7e628f95cdde47c59017846e1c6",
    "cross_cats_sorted": [
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NT",
    "submitted_at": "2015-04-27T17:01:32Z",
    "title_canon_sha256": "ed5d8612a45c2d8ebcac11c6530a5512ee61abd173e0b03ae6fcd0a914c05190"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.07161",
    "kind": "arxiv",
    "version": 1
  }
}