Pith Number

pith:2JS6EOQW

pith:2009:2JS6EOQWBZLINER4URFWEEYOGT

not attested not anchored not stored refs pending

Ground-State Properties of Quantum Many-Body Systems: Entangled-Plaquette States and Variational Monte Carlo

Fabio Mezzacapo, J. Ignacio Cirac, Massimo Boninsegni, Norbert Schuch

arxiv:0905.3898 v4 · 2009-05-24 · cond-mat.str-el

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2JS6EOQWBZLINER4URFWEEYOGT}

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	2026-05-18T02:13:37.848680Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d265e23a160e5686923ca44b62130e34fa359420c802709f896cfb1937babaa8

Aliases

arxiv: 0905.3898 · arxiv_version: 0905.3898v4 · doi: 10.48550/arxiv.0905.3898 · pith_short_12: 2JS6EOQWBZLI · pith_short_16: 2JS6EOQWBZLINER4 · pith_short_8: 2JS6EOQW

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/2JS6EOQWBZLINER4URFWEEYOGT \
  | 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: d265e23a160e5686923ca44b62130e34fa359420c802709f896cfb1937babaa8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bc02e5c700290272c9a969e12925f168d78f9f26aba61f58894a997803da706b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.str-el",
    "submitted_at": "2009-05-24T13:21:00Z",
    "title_canon_sha256": "383976e6e933f0f76e1708cc21b39a24106cd4b72a6b85dcbc8844f08bb32682"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0905.3898",
    "kind": "arxiv",
    "version": 4
  }
}