Pith Number

pith:LNMZHD3R

pith:2014:LNMZHD3RQOOALJD2H7MBKJRMJE

not attested not anchored not stored refs pending

The 2-color Rado number of $x_1+x_2+\cdots +x_n=y_1+y_2+\cdots +y_k$

Dan Saracino

arxiv:1402.5829 v2 · 2014-02-24 · math.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LNMZHD3RQOOALJD2H7MBKJRMJE}

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	2026-05-18T02:56:44.998530Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5b59938f71839c05a47a3fd815262c490495363f546c8818a13d62d1ccc6c8b8

Aliases

arxiv: 1402.5829 · arxiv_version: 1402.5829v2 · doi: 10.48550/arxiv.1402.5829 · pith_short_12: LNMZHD3RQOOA · pith_short_16: LNMZHD3RQOOALJD2 · pith_short_8: LNMZHD3R

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/LNMZHD3RQOOALJD2H7MBKJRMJE \
  | 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: 5b59938f71839c05a47a3fd815262c490495363f546c8818a13d62d1ccc6c8b8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ffaa0c8d8aecade2f294065f97472d3504d725d2a1fb4e6115acbc0a71ef3363",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2014-02-24T14:06:38Z",
    "title_canon_sha256": "863a5a2808a9790ae5b20b945fcfa955fca4cd1f6eb09858c14c62ff68ec6829"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1402.5829",
    "kind": "arxiv",
    "version": 2
  }
}