Pith Number

pith:4MU2IUXM

pith:2001:4MU2IUXMKNM6UISJ23QJB6KENZ

not attested not anchored not stored refs pending

Heisenberg exchange parameters of molecular magnets from the high-temperature susceptibility expansion

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

arxiv:cond-mat/0107111 v1 · 2001-07-05 · cond-mat.stat-mech · cond-mat.mtrl-sci

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4MU2IUXMKNM6UISJ23QJB6KENZ}

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	2026-07-04T16:25:51.310347Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e329a452ec5359ea2249d6e090f9446e413feaea8cf626a36fe7a14b5f316e16

Aliases

arxiv: cond-mat/0107111 · arxiv_version: cond-mat/0107111v1 · doi: 10.48550/arxiv.cond-mat/0107111 · pith_short_12: 4MU2IUXMKNM6 · pith_short_16: 4MU2IUXMKNM6UISJ · pith_short_8: 4MU2IUXM

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/4MU2IUXMKNM6UISJ23QJB6KENZ \
  | 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: e329a452ec5359ea2249d6e090f9446e413feaea8cf626a36fe7a14b5f316e16

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8d8a7e9c9bc56660b04bba185bc6b705591c64a29a7825a25983be8e9b87be0b",
    "cross_cats_sorted": [
      "cond-mat.mtrl-sci"
    ],
    "license": "",
    "primary_cat": "cond-mat.stat-mech",
    "submitted_at": "2001-07-05T14:22:23Z",
    "title_canon_sha256": "d60a9a6e1266aa347945acbe2d70be8dc446c8655cb96ad84b09712d3280de12"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cond-mat/0107111",
    "kind": "arxiv",
    "version": 1
  }
}