Pith Number

pith:AXMA4J7E

pith:2017:AXMA4J7EWDKB5TJ5A46REZKCSB

not attested not anchored not stored refs pending

From Brauer graph algebras to biserial weighted surface algebras

Andrzej Skowro\'nski, Karin Erdmann

arxiv:1706.07693 v4 · 2017-06-22 · 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{AXMA4J7EWDKB5TJ5A46REZKCSB}

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	2026-05-18T00:07:33.135497Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

05d80e27e4b0d41ecd3d073d12654290436f6cf1dd978f529ffe640fbabfb474

Aliases

arxiv: 1706.07693 · arxiv_version: 1706.07693v4 · doi: 10.48550/arxiv.1706.07693 · pith_short_12: AXMA4J7EWDKB · pith_short_16: AXMA4J7EWDKB5TJ5 · pith_short_8: AXMA4J7E

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/AXMA4J7EWDKB5TJ5A46REZKCSB \
  | 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: 05d80e27e4b0d41ecd3d073d12654290436f6cf1dd978f529ffe640fbabfb474

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9697f1197df5acfeb75bb37976e6392de2917209831687ff94b0dfa75dcd428b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RT",
    "submitted_at": "2017-06-22T10:50:39Z",
    "title_canon_sha256": "cba60a9b981b12141838779c112c47169939c00aab712361c56cb488c6926018"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1706.07693",
    "kind": "arxiv",
    "version": 4
  }
}