Pith Number

pith:AJ2TIFP4

pith:2009:AJ2TIFP4FZG26G7YLTSZVI6TRM

not attested not anchored not stored refs pending

Family of exactly solvable models with an ultimative quantum paramagnetic ground state

K. P. Schmidt, M. Laad

arxiv:0912.1959 v3 · 2009-12-10 · cond-mat.str-el

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{AJ2TIFP4FZG26G7YLTSZVI6TRM}

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	2026-05-18T02:41:58.517806Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

02753415fc2e4daf1bf85ce59aa3d38b11c0f1d41ecf2fbf88d0fffb2ccdfa39

Aliases

arxiv: 0912.1959 · arxiv_version: 0912.1959v3 · doi: 10.48550/arxiv.0912.1959 · pith_short_12: AJ2TIFP4FZG2 · pith_short_16: AJ2TIFP4FZG26G7Y · pith_short_8: AJ2TIFP4

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/AJ2TIFP4FZG26G7YLTSZVI6TRM \
  | 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: 02753415fc2e4daf1bf85ce59aa3d38b11c0f1d41ecf2fbf88d0fffb2ccdfa39

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3f35560e4f5068f64b3b2969e3c931f73e63420a5ce3446cbab68685b522c2d7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.str-el",
    "submitted_at": "2009-12-10T10:40:21Z",
    "title_canon_sha256": "3d67fbf90eb0e7cf8f7aad131b57bef274a715563f8231343157ddf705f57696"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0912.1959",
    "kind": "arxiv",
    "version": 3
  }
}