Pith Number

pith:2XIZB4IG

pith:1997:2XIZB4IGBEO77NOWCUHBMRA7HX

not attested not anchored not stored refs pending

A Coupled-Cluster Formulation of Hamiltonian Lattice Field Theory: The Non-Linear Sigma Model

N.E. Ligterink, N.R. Walet, R.F. Bishop

arxiv:hep-lat/9712021 v1 · 1997-12-18 · hep-lat · cond-mat · hep-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{2XIZB4IGBEO77NOWCUHBMRA7HX}

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	2026-07-04T16:04:50.270941Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d5d190f106091dffb5d6150e16441f3dfd37cb7b72f60491480e3cd141aa0e71

Aliases

arxiv: hep-lat/9712021 · arxiv_version: hep-lat/9712021v1 · doi: 10.48550/arxiv.hep-lat/9712021 · pith_short_12: 2XIZB4IGBEO7 · pith_short_16: 2XIZB4IGBEO77NOW · pith_short_8: 2XIZB4IG

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/2XIZB4IGBEO77NOWCUHBMRA7HX \
  | 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: d5d190f106091dffb5d6150e16441f3dfd37cb7b72f60491480e3cd141aa0e71

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "29a1f104408f50700f68ff1cf044df0fc6c990ebf416cbdf226c2d90cd855f0f",
    "cross_cats_sorted": [
      "cond-mat",
      "hep-ph"
    ],
    "license": "",
    "primary_cat": "hep-lat",
    "submitted_at": "1997-12-18T11:44:35Z",
    "title_canon_sha256": "39c4f2cde716442b4c3bdd7ed97d929a1b9296405c47e5d55143ef193601c4c3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-lat/9712021",
    "kind": "arxiv",
    "version": 1
  }
}