Pith Number

pith:FTE4K72W

pith:2006:FTE4K72WTN3BTAUXDR4FCKG6WD

not attested not anchored not stored refs pending

Variational study of hard-core bosons in a 2-D optical lattice using Projected Entangled Pair States (PEPS)

F. Verstraete, J. I. Cirac, V. Murg

arxiv:cond-mat/0611522 v1 · 2006-11-20 · cond-mat.other · 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{FTE4K72WTN3BTAUXDR4FCKG6WD}

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	2026-05-18T03:24:30.865963Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2cc9c57f569b761982971c785128deb0d0193ff42ee644c77dc71b349d3fd773

Aliases

arxiv: cond-mat/0611522 · arxiv_version: cond-mat/0611522v1 · doi: 10.48550/arxiv.cond-mat/0611522 · pith_short_12: FTE4K72WTN3B · pith_short_16: FTE4K72WTN3BTAUX · pith_short_8: FTE4K72W

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/FTE4K72WTN3BTAUXDR4FCKG6WD \
  | 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: 2cc9c57f569b761982971c785128deb0d0193ff42ee644c77dc71b349d3fd773

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7c2e778fdcff05314805ba57530c89bc81d3b150e89d2277a5822314ff7ccc9d",
    "cross_cats_sorted": [
      "quant-ph"
    ],
    "license": "",
    "primary_cat": "cond-mat.other",
    "submitted_at": "2006-11-20T14:08:00Z",
    "title_canon_sha256": "e68cabcb858009add5bb885e74ee1b2ad2ff71ea7b68dbf3d731a0e089c3aff7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cond-mat/0611522",
    "kind": "arxiv",
    "version": 1
  }
}