Pith Number

pith:KDF2SAAN

pith:2009:KDF2SAANUURBYRVS6UCIL5SDO2

not attested not anchored not stored refs pending

On the Central Charge of a Factorizable Hopf Algebra

Yongchang Zhu, Yorck Sommerhaeuser

arxiv:0906.3471 v1 · 2009-06-18 · math.RA · hep-th · math-ph · math.MP · math.QA · math.RT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KDF2SAANUURBYRVS6UCIL5SDO2}

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	2026-05-18T03:33:38.161126Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

50cba9000da5221c46b2f50485f64376b1ba8b504a59a41a4ab50b14fffe7794

Aliases

arxiv: 0906.3471 · arxiv_version: 0906.3471v1 · doi: 10.48550/arxiv.0906.3471 · pith_short_12: KDF2SAANUURB · pith_short_16: KDF2SAANUURBYRVS · pith_short_8: KDF2SAAN

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/KDF2SAANUURBYRVS6UCIL5SDO2 \
  | 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: 50cba9000da5221c46b2f50485f64376b1ba8b504a59a41a4ab50b14fffe7794

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "91adba58cced146c38087b20371d797a3ad51e24495c8da3d2b2a9e889d2834c",
    "cross_cats_sorted": [
      "hep-th",
      "math-ph",
      "math.MP",
      "math.QA",
      "math.RT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RA",
    "submitted_at": "2009-06-18T15:46:06Z",
    "title_canon_sha256": "a69e1c6226a2ac263e58c68d6a47ca059411ab95326453ba44cc7dda05c68726"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0906.3471",
    "kind": "arxiv",
    "version": 1
  }
}