Pith Number

pith:7KYTVA2X

pith:1997:7KYTVA2XGJ7FU6CZJSREJIAO5U

not attested not anchored not stored refs pending

DMRG study of the spin gap in a one dimensional Hubbard model: effect of the distant transfer and exchange coupling

Hideo Aoki, Kazuhiko Kuroki, Michele Fabrizio, Ryotaro Arita

arxiv:cond-mat/9712134 v1 · 1997-12-12 · cond-mat

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7KYTVA2XGJ7FU6CZJSREJIAO5U}

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	2026-07-04T16:04:27.734024Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fab13a8357327e5a78594ca244a00eed3af1c2f1b9a21a548343f7f64ec7791e

Aliases

arxiv: cond-mat/9712134 · arxiv_version: cond-mat/9712134v1 · doi: 10.48550/arxiv.cond-mat/9712134 · pith_short_12: 7KYTVA2XGJ7F · pith_short_16: 7KYTVA2XGJ7FU6CZ · pith_short_8: 7KYTVA2X

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/7KYTVA2XGJ7FU6CZJSREJIAO5U \
  | 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: fab13a8357327e5a78594ca244a00eed3af1c2f1b9a21a548343f7f64ec7791e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7d29420f8aa3ee5128d8f876cc340565c242a645253953db0bb87381775c57cc",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "cond-mat",
    "submitted_at": "1997-12-12T09:29:56Z",
    "title_canon_sha256": "daab3f81cb6be8bbd3a25ea34f990602b10224138bac5a00c5cf0f89c0dfebd5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cond-mat/9712134",
    "kind": "arxiv",
    "version": 1
  }
}