Pith Number

pith:ZUA4ASK6

pith:2018:ZUA4ASK6VQ6NMFTUO6L6RZ2DOB

not attested not anchored not stored refs pending

Exact diagonalization study of the Hubbard-parametrized four-spin ring exchange model on a square lattice

A. T. R{\o}mer, B. M{\o}nsted, C. B. Larsen, F. Treue, H. M. R{\o}nnow, K. Lefmann, N. E. Shaik, S. Janas

arxiv:1812.04277 v1 · 2018-12-11 · 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{ZUA4ASK6VQ6NMFTUO6L6RZ2DOB}

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	2026-05-17T23:52:03.754841Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cd01c0495eac3cd616747797e8e743706d84fa7d44df030e1e8aa9643a8cd6dc

Aliases

arxiv: 1812.04277 · arxiv_version: 1812.04277v1 · doi: 10.48550/arxiv.1812.04277 · pith_short_12: ZUA4ASK6VQ6N · pith_short_16: ZUA4ASK6VQ6NMFTU · pith_short_8: ZUA4ASK6

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/ZUA4ASK6VQ6NMFTUO6L6RZ2DOB \
  | 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: cd01c0495eac3cd616747797e8e743706d84fa7d44df030e1e8aa9643a8cd6dc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "310ab8661b62b70b1ce7d16afb2d995e5d7c9f3afb67ee1cacb87099ef1ef695",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.str-el",
    "submitted_at": "2018-12-11T09:08:14Z",
    "title_canon_sha256": "606007a9731310ad21f8ce4b001636bace7b3c188fcd3cc416ab73d40e985b27"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.04277",
    "kind": "arxiv",
    "version": 1
  }
}