Pith Number

pith:WQQVPMKI

pith:2011:WQQVPMKIDIJRY7U6WKGKG7SA3K

not attested not anchored not stored refs pending

Virasoro central charges for Nichols algebras

A. M. Semikhatov

arxiv:1109.1767 v2 · 2011-09-08 · math.QA · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WQQVPMKIDIJRY7U6WKGKG7SA3K}

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	2026-05-18T03:06:05.754950Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b42157b1481a131c7e9eb28ca37e40da9dd26f0820cc70cd38fb6406428c790e

Aliases

arxiv: 1109.1767 · arxiv_version: 1109.1767v2 · doi: 10.48550/arxiv.1109.1767 · pith_short_12: WQQVPMKIDIJR · pith_short_16: WQQVPMKIDIJRY7U6 · pith_short_8: WQQVPMKI

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/WQQVPMKIDIJRY7U6WKGKG7SA3K \
  | 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: b42157b1481a131c7e9eb28ca37e40da9dd26f0820cc70cd38fb6406428c790e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3478800f5f832b375141b4f1c6ca35426787d10acdeae5a03519503d594ca8ed",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.QA",
    "submitted_at": "2011-09-08T16:46:50Z",
    "title_canon_sha256": "5d561bb1ecbdf342d5f892e277e609031cde5180cb82a4575b01727d13b097bb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.1767",
    "kind": "arxiv",
    "version": 2
  }
}