Pith Number

pith:SIEEOB2C

pith:2018:SIEEOB2CIA6GRBFT3QNCQQQSGA

not attested not anchored not stored refs pending

A discrete realization of the higher rank Racah algebra

Hendrik De Bie, Wouter van de Vijver

arxiv:1808.10520 v2 · 2018-08-21 · math.CA · math-ph · math.MP · math.QA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SIEEOB2CIA6GRBFT3QNCQQQSGA}

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	2026-05-17T23:46:55.187070Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9208470742403c6884b3dc1a2842123005d7f62845086158b7d85050f3c45909

Aliases

arxiv: 1808.10520 · arxiv_version: 1808.10520v2 · doi: 10.48550/arxiv.1808.10520 · pith_short_12: SIEEOB2CIA6G · pith_short_16: SIEEOB2CIA6GRBFT · pith_short_8: SIEEOB2C

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/SIEEOB2CIA6GRBFT3QNCQQQSGA \
  | 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: 9208470742403c6884b3dc1a2842123005d7f62845086158b7d85050f3c45909

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8652c7246715a265f4faaad8a5ebd2350127e7b28d01b8fc5b1cfad38eb35922",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP",
      "math.QA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CA",
    "submitted_at": "2018-08-21T13:52:13Z",
    "title_canon_sha256": "ac9513bfe58a0a9c57b9ad11e34a55fda2df1756648848bb555380d98def7cc9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.10520",
    "kind": "arxiv",
    "version": 2
  }
}