Pith Number

pith:P2JEUIXJ

pith:2013:P2JEUIXJRU26QBKOKYJK5W6GWK

not attested not anchored not stored refs pending

A Coding-Theoretic Application of Baranyai's Theorem

Liang Feng Zhang

arxiv:1303.0247 v1 · 2013-03-01 · cs.IT · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{P2JEUIXJRU26QBKOKYJK5W6GWK}

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	2026-05-18T03:32:06.494115Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7e924a22e98d35e8054e5612aedbc6b2a147ec00b60efa24705dcfd7e80e2248

Aliases

arxiv: 1303.0247 · arxiv_version: 1303.0247v1 · doi: 10.48550/arxiv.1303.0247 · pith_short_12: P2JEUIXJRU26 · pith_short_16: P2JEUIXJRU26QBKO · pith_short_8: P2JEUIXJ

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/P2JEUIXJRU26QBKOKYJK5W6GWK \
  | 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: 7e924a22e98d35e8054e5612aedbc6b2a147ec00b60efa24705dcfd7e80e2248

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "946f1c304a5217b16a9cc8a00578cbb1380d6d82971233ff6757f36e3d37b446",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2013-03-01T18:35:01Z",
    "title_canon_sha256": "3c7cfdca064e159346a528fd7899c1dbd4c22daf2bc7b06ea9cd3964e30306f1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.0247",
    "kind": "arxiv",
    "version": 1
  }
}