Pith Number

pith:PVJBHC2M

pith:2019:PVJBHC2MK3L6EPXAUPX4BKXRJ2

not attested not anchored not stored refs pending

Weighted surface algebras: general version

Andrzej Skowro\'nski, Karin Erdmann

arxiv:1902.04063 v1 · 2019-02-09 · 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{PVJBHC2MK3L6EPXAUPX4BKXRJ2}

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	2026-05-17T23:54:13.133180Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7d52138b4c56d7e23ee0a3efc0aaf14e894b1a116271d1ca14c382383656a434

Aliases

arxiv: 1902.04063 · arxiv_version: 1902.04063v1 · doi: 10.48550/arxiv.1902.04063 · pith_short_12: PVJBHC2MK3L6 · pith_short_16: PVJBHC2MK3L6EPXA · pith_short_8: PVJBHC2M

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/PVJBHC2MK3L6EPXAUPX4BKXRJ2 \
  | 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: 7d52138b4c56d7e23ee0a3efc0aaf14e894b1a116271d1ca14c382383656a434

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "85adb300ee12ec48244f29331516e4ebb25384d17d009c6db991a509bc1731c9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RT",
    "submitted_at": "2019-02-09T12:16:46Z",
    "title_canon_sha256": "726d9276782785187bd0558a60a8745e21772bde22f27bf1af402b4931e2deb7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.04063",
    "kind": "arxiv",
    "version": 1
  }
}