Pith Number

pith:UJDCWNNZ

pith:2011:UJDCWNNZIRIXJWKYAIMTYVOPWI

not attested not anchored not stored refs pending

Quantum spin Hamiltonians for the SU(2)_k WZW model

Anne E. B. Nielsen, German Sierra, J. Ignacio Cirac

arxiv:1109.5470 v2 · 2011-09-26 · cond-mat.str-el · quant-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UJDCWNNZIRIXJWKYAIMTYVOPWI}

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	2026-05-18T02:21:36.288397Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a2462b35b9445174d95802193c55cfb213c1cd94c3d23a510e5c40a37f7791df

Aliases

arxiv: 1109.5470 · arxiv_version: 1109.5470v2 · doi: 10.48550/arxiv.1109.5470 · pith_short_12: UJDCWNNZIRIX · pith_short_16: UJDCWNNZIRIXJWKY · pith_short_8: UJDCWNNZ

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/UJDCWNNZIRIXJWKYAIMTYVOPWI \
  | 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: a2462b35b9445174d95802193c55cfb213c1cd94c3d23a510e5c40a37f7791df

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "71931e901538a552bc274be81e13734662f8072393bc1d9bfbb98a64ff9379b3",
    "cross_cats_sorted": [
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.str-el",
    "submitted_at": "2011-09-26T07:56:28Z",
    "title_canon_sha256": "69c66341faaff9fbac57442fac451811c66217297b8421a748ff5776c472c4fd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.5470",
    "kind": "arxiv",
    "version": 2
  }
}