Pith Number

pith:MASQ7FPG

pith:2011:MASQ7FPGPG322TODPKQD75DL6Y

not attested not anchored not stored refs pending

Drinfeld Orbifold Algebras

Anne V. Shepler, Sarah J. Witherspoon

arxiv:1111.7198 v1 · 2011-11-30 · math.RA · math.CO · 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{MASQ7FPGPG322TODPKQD75DL6Y}

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	2026-05-18T04:07:18.498475Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

60250f95e679b7ad4dc37aa03ff46bf61836486c1133fab8c382d5f2471dfe51

Aliases

arxiv: 1111.7198 · arxiv_version: 1111.7198v1 · doi: 10.48550/arxiv.1111.7198 · pith_short_12: MASQ7FPGPG32 · pith_short_16: MASQ7FPGPG322TOD · pith_short_8: MASQ7FPG

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/MASQ7FPGPG322TODPKQD75DL6Y \
  | 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: 60250f95e679b7ad4dc37aa03ff46bf61836486c1133fab8c382d5f2471dfe51

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "594c8f5ec09a802839073175c0bd81f82c3e813d5b0e3d2c213add0d379aa121",
    "cross_cats_sorted": [
      "math.CO",
      "math.RT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RA",
    "submitted_at": "2011-11-30T15:06:15Z",
    "title_canon_sha256": "007e353f7ea76853bca8b80a43746778f9e0a7bcd11b5eda30dbf8a1f216bc12"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1111.7198",
    "kind": "arxiv",
    "version": 1
  }
}