Pith Number

pith:QIBRGINU

pith:2013:QIBRGINUXKAWRHYC3QLV36BUJH

not attested not anchored not stored refs pending

More on the Terwilliger algebra of Johnson schemes

Benjian Lv, Carolina Maldonado, Kaishun Wang

arxiv:1302.5775 v1 · 2013-02-23 · 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{QIBRGINUXKAWRHYC3QLV36BUJH}

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	2026-05-18T03:32:43.879392Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

82031321b4ba81689f02dc175df83449d9e618708cb5e6341247d105ccb2e77b

Aliases

arxiv: 1302.5775 · arxiv_version: 1302.5775v1 · doi: 10.48550/arxiv.1302.5775 · pith_short_12: QIBRGINUXKAW · pith_short_16: QIBRGINUXKAWRHYC · pith_short_8: QIBRGINU

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/QIBRGINUXKAWRHYC3QLV36BUJH \
  | 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: 82031321b4ba81689f02dc175df83449d9e618708cb5e6341247d105ccb2e77b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a81dcb96d76e63bd463c6aaa5d69dd9074f356b04038436d77a19a656ccd29c3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2013-02-23T09:02:27Z",
    "title_canon_sha256": "d374b4eb08165bdd9b6f471c5b009f1a8be01c9303b5f9bafed00767a6342272"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.5775",
    "kind": "arxiv",
    "version": 1
  }
}