Pith Number

pith:BR5PROUI

pith:2009:BR5PROUI5CWEQ47NRGOQJ6MF22

not attested not anchored not stored refs pending

Magnetocaloric effect in quantum spin-s chains

A. Honecker, S. Wessel

arxiv:0907.3736 v1 · 2009-07-21 · 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{BR5PROUI5CWEQ47NRGOQJ6MF22}

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	2026-05-18T04:08:04.096586Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0c7af8ba88e8ac4873ed899d04f985d689db4cdda22f65d3fe16e99a345b9152

Aliases

arxiv: 0907.3736 · arxiv_version: 0907.3736v1 · doi: 10.48550/arxiv.0907.3736 · pith_short_12: BR5PROUI5CWE · pith_short_16: BR5PROUI5CWEQ47N · pith_short_8: BR5PROUI

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/BR5PROUI5CWEQ47NRGOQJ6MF22 \
  | 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: 0c7af8ba88e8ac4873ed899d04f985d689db4cdda22f65d3fe16e99a345b9152

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9867e0ecdcc5d73ce28ac2d4cab990358889c9caa787c6f8a8b453c4ec1c1063",
    "cross_cats_sorted": [
      "cond-mat.stat-mech"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.str-el",
    "submitted_at": "2009-07-21T20:08:01Z",
    "title_canon_sha256": "be6ea6c3fb4e0395c05108b9272e9f0c31db8d9c5167c3a6c0c0c7b6bdb37632"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0907.3736",
    "kind": "arxiv",
    "version": 1
  }
}