Pith Number

pith:NBFJAD2K

pith:2001:NBFJAD2K7MN4PZFQ4AA7AASNCX

not attested not anchored not stored refs pending

Noncommutative spin-1/2 representations

E. Kraus, H. Grosse, J.M. Grimstrup, L. Popp, M. Schweda, R. Wulkenhaar

arxiv:hep-th/0110231 v1 · 2001-10-25 · 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{NBFJAD2K7MN4PZFQ4AA7AASNCX}

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	2026-05-18T04:13:16.967303Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

684a900f4afb1bc7e4b0e001f0024d15c8201b71f86c242c4ab52a4d78e0934f

Aliases

arxiv: hep-th/0110231 · arxiv_version: hep-th/0110231v1 · doi: 10.48550/arxiv.hep-th/0110231 · pith_short_12: NBFJAD2K7MN4 · pith_short_16: NBFJAD2K7MN4PZFQ · pith_short_8: NBFJAD2K

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/NBFJAD2K7MN4PZFQ4AA7AASNCX \
  | 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: 684a900f4afb1bc7e4b0e001f0024d15c8201b71f86c242c4ab52a4d78e0934f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0380ad8f21dbd71cb6af8459d2b740c21cd7a26d9dfadfebf724518b9a8bb23e",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-th",
    "submitted_at": "2001-10-25T14:59:09Z",
    "title_canon_sha256": "2fe6d5f79ca7cb81aab57532dc21a286179a8caf6cb6c28e9ff33f6f7330bd7f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-th/0110231",
    "kind": "arxiv",
    "version": 1
  }
}