Pith Number

pith:BNKWADP6

pith:2001:BNKWADP6CG5EXZ5LEOZPQYP7Y4

not attested not anchored not stored refs pending

Bounding and approximating parabolas for the spectrum of Heisenberg spin systems

H.-J. Schmidt, J. Schnack (U. of Osnabrueck), Marshall Luban (Ames Lab & Iowa State U.)

arxiv:cond-mat/0101228 v1 · 2001-01-16 · cond-mat.stat-mech · cond-mat.mtrl-sci · math-ph · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BNKWADP6CG5EXZ5LEOZPQYP7Y4}

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	2026-07-04T16:24:52.680184Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0b55600dfe11ba4be7ab23b2f861ffc7126a3624a2e35b64a733a6a085ffcc6f

Aliases

arxiv: cond-mat/0101228 · arxiv_version: cond-mat/0101228v1 · doi: 10.48550/arxiv.cond-mat/0101228 · pith_short_12: BNKWADP6CG5E · pith_short_16: BNKWADP6CG5EXZ5L · pith_short_8: BNKWADP6

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/BNKWADP6CG5EXZ5LEOZPQYP7Y4 \
  | 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: 0b55600dfe11ba4be7ab23b2f861ffc7126a3624a2e35b64a733a6a085ffcc6f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1390a4e51d4ffec5eefbfbc5f4d605392efd829dd0507288d9ab5a9b866a2cc8",
    "cross_cats_sorted": [
      "cond-mat.mtrl-sci",
      "math-ph",
      "math.MP"
    ],
    "license": "",
    "primary_cat": "cond-mat.stat-mech",
    "submitted_at": "2001-01-16T09:38:37Z",
    "title_canon_sha256": "23fe9ea692992ea17d0e7d22ec87f780c4f867f48a1b2acac2cfb531db22e0f8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cond-mat/0101228",
    "kind": "arxiv",
    "version": 1
  }
}