Pith Number

pith:5BLSGANG

pith:2015:5BLSGANGPHV7II2HIBIEDNMRWO

not attested not anchored not stored refs pending

The Parametric Frobenius Problem

Bjarke Hammersholt Roune, Kevin Woods

arxiv:1502.06009 v2 · 2015-02-20 · math.CO · 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{5BLSGANGPHV7II2HIBIEDNMRWO}

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	2026-05-18T02:03:50.450527Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e8572301a679ebf42347405041b591b39583fedd294a46f8943d6ddecdd2c73f

Aliases

arxiv: 1502.06009 · arxiv_version: 1502.06009v2 · doi: 10.48550/arxiv.1502.06009 · pith_short_12: 5BLSGANGPHV7 · pith_short_16: 5BLSGANGPHV7II2H · pith_short_8: 5BLSGANG

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/5BLSGANGPHV7II2HIBIEDNMRWO \
  | 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: e8572301a679ebf42347405041b591b39583fedd294a46f8943d6ddecdd2c73f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1cf902bb3eee05b3287340778ee346a853ef496360b18fdbc19dc3c80233f65f",
    "cross_cats_sorted": [
      "math.NT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2015-02-20T21:13:42Z",
    "title_canon_sha256": "8b9b8f46a293ec27d57526362e2e3dea2c1e63b13ccb0470a64f0ae92ec2e57d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.06009",
    "kind": "arxiv",
    "version": 2
  }
}