Pith Number

pith:2UUBGYHO

pith:2012:2UUBGYHOD5Z4KFP4M7B3RNTANT

not attested not anchored not stored refs pending

Preparing topological PEPS on a quantum computer

David Perez-Garcia, Frank Verstraete, Kristan Temme, Martin Schwarz, Toby S. Cubitt

arxiv:1211.4050 v1 · 2012-11-16 · 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{2UUBGYHOD5Z4KFP4M7B3RNTANT}

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	2026-05-18T03:12:09.014092Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d5281360ee1f73c515fc67c3b8b6606cf8d9bf45934ba7ef163ba133dfe8e220

Aliases

arxiv: 1211.4050 · arxiv_version: 1211.4050v1 · doi: 10.48550/arxiv.1211.4050 · pith_short_12: 2UUBGYHOD5Z4 · pith_short_16: 2UUBGYHOD5Z4KFP4 · pith_short_8: 2UUBGYHO

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/2UUBGYHOD5Z4KFP4M7B3RNTANT \
  | 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: d5281360ee1f73c515fc67c3b8b6606cf8d9bf45934ba7ef163ba133dfe8e220

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5ad8088b0bd7a513046db4fbdd006cecc850a0b7cc051cfba771d69e5388507d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2012-11-16T21:58:34Z",
    "title_canon_sha256": "e640dea7516107b00e096a675af28a3805adb42a61201fb754b8a71789bafcf3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1211.4050",
    "kind": "arxiv",
    "version": 1
  }
}