Pith Number

pith:D2FI5GAN

pith:1998:D2FI5GANJPMIVTWT6JHFXQU2FL

not attested not anchored not stored refs pending

Spontaneous magnetization of the XXZ Heisenberg spin-1/2 chain

A.G. Izergin, J. M. Maillet, N. Kitanine, V. Terras

arxiv:solv-int/9812021 v1 · 1998-12-18 · solv-int · nlin.SI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{D2FI5GANJPMIVTWT6JHFXQU2FL}

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	2026-05-18T00:06:53.772427Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1e8a8e980d4bd88aced3f24e5bc29a2addc7ce4c9439c387c83e2c423408d77c

Aliases

arxiv: solv-int/9812021 · arxiv_version: solv-int/9812021v1 · doi: 10.48550/arxiv.solv-int/9812021 · pith_short_12: D2FI5GANJPMI · pith_short_16: D2FI5GANJPMIVTWT · pith_short_8: D2FI5GAN

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/D2FI5GANJPMIVTWT6JHFXQU2FL \
  | 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: 1e8a8e980d4bd88aced3f24e5bc29a2addc7ce4c9439c387c83e2c423408d77c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f698b3b59e6103753166c84067085ee595f2aa1641358ec8d2f70075b5c1b1de",
    "cross_cats_sorted": [
      "nlin.SI"
    ],
    "license": "",
    "primary_cat": "solv-int",
    "submitted_at": "1998-12-18T16:06:35Z",
    "title_canon_sha256": "ef09b71040c8b0d1ebeedd9a65cef887cdeffe046c90349e9611add870257b7d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "solv-int/9812021",
    "kind": "arxiv",
    "version": 1
  }
}