pith. sign in
Pith Number

pith:WCAOEVIG

pith:2017:WCAOEVIGLGRNPIXG7PM65L76BR
not attested not anchored not stored refs pending

Weighted Surface Algebras

Andrzej Skowro\'nski, Karin Erdmann

arxiv:1703.02346 v3 · 2017-03-07 · math.RT

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{WCAOEVIGLGRNPIXG7PM65L76BR}

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 2026-05-18T00:31:51.391486Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

b080e2550659a2d7a2e6fbd9eeaffe0c63a6d5e858776b3327ebedcc7b01ce8f

Aliases

arxiv: 1703.02346 · arxiv_version: 1703.02346v3 · doi: 10.48550/arxiv.1703.02346 · pith_short_12: WCAOEVIGLGRN · pith_short_16: WCAOEVIGLGRNPIXG · pith_short_8: WCAOEVIG
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/WCAOEVIGLGRNPIXG7PM65L76BR \
  | 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: b080e2550659a2d7a2e6fbd9eeaffe0c63a6d5e858776b3327ebedcc7b01ce8f
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "865c0f78d21a62ef66de7a597abe8c0120202cb1a315b911c44b5e4404f287e5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RT",
    "submitted_at": "2017-03-07T12:06:08Z",
    "title_canon_sha256": "3a10403d14d97bde4013eadcbfccd18d3d0e240e739986ec58b3377a16e8e41f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.02346",
    "kind": "arxiv",
    "version": 3
  }
}