Pith Number

pith:KWH4Q2NX

pith:2003:KWH4Q2NXWHEK2A5JATET73JXVI

not attested not anchored not stored refs pending

Nonintersecting Subspaces Based on Finite Alphabets

A. R. Calderbank, Frederique E. Oggier, N. J. A. Sloane, Suhas N. Diggavi

arxiv:math/0312467 v1 · 2003-12-26 · 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{KWH4Q2NXWHEK2A5JATET73JXVI}

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	2026-05-18T02:42:40.003724Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

558fc869b7b1c8ad03a904c93fed37aa05fc1c883c5eec00a36ec27bd1096531

Aliases

arxiv: math/0312467 · arxiv_version: math/0312467v1 · doi: 10.48550/arxiv.math/0312467 · pith_short_12: KWH4Q2NXWHEK · pith_short_16: KWH4Q2NXWHEK2A5J · pith_short_8: KWH4Q2NX

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/KWH4Q2NXWHEK2A5JATET73JXVI \
  | 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: 558fc869b7b1c8ad03a904c93fed37aa05fc1c883c5eec00a36ec27bd1096531

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b4770b437543e67b196af418c5559fd36248a6e15c66d1f94bfe7cca391f06fa",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "math.CO",
    "submitted_at": "2003-12-26T17:44:34Z",
    "title_canon_sha256": "cbef05960f35724f217d3eb3926243d4bc11ff6a10beefdf26b9f3fae87b9db7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0312467",
    "kind": "arxiv",
    "version": 1
  }
}