Pith Number

pith:OHKURQIR

pith:2005:OHKURQIRNGFVXOCZMHUAEPFCHL

not attested not anchored not stored refs pending

Ground state projection of quantum spin systems in the valence bond basis

Anders W. Sandvik

arxiv:cond-mat/0509558 v1 · 2005-09-21 · cond-mat.str-el · cond-mat.stat-mech

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OHKURQIRNGFVXOCZMHUAEPFCHL}

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	2026-05-18T01:06:52.224539Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

71d548c111698b5bb85961e8023ca23ade45c18401dfb9b80acbd1dfc0666512

Aliases

arxiv: cond-mat/0509558 · arxiv_version: cond-mat/0509558v1 · doi: 10.48550/arxiv.cond-mat/0509558 · pith_short_12: OHKURQIRNGFV · pith_short_16: OHKURQIRNGFVXOCZ · pith_short_8: OHKURQIR

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/OHKURQIRNGFVXOCZMHUAEPFCHL \
  | 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: 71d548c111698b5bb85961e8023ca23ade45c18401dfb9b80acbd1dfc0666512

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d9750d41b86af76f2f367c90b38601c2987a59c63cb8e2e9a70d3690420c25b3",
    "cross_cats_sorted": [
      "cond-mat.stat-mech"
    ],
    "license": "",
    "primary_cat": "cond-mat.str-el",
    "submitted_at": "2005-09-21T18:34:55Z",
    "title_canon_sha256": "848bffff8f68edbe9e005156c5602fe7a45be40a9b4004922c7dd6ce30c82fbf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cond-mat/0509558",
    "kind": "arxiv",
    "version": 1
  }
}