Pith Number

pith:LH5SVYKU

pith:1995:LH5SVYKUJELBEKOISHSEUK5IAH

not attested not anchored not stored refs pending

Excitation Spectra of the Negative-U Hubbard Model: A Small-Cluster Study

A. Nakauchi, K. Tsutsui, R. Eder, S. Maekawa, Y. Ohta

arxiv:cond-mat/9509015 v1 · 1995-09-04 · 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{LH5SVYKUJELBEKOISHSEUK5IAH}

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	2026-05-18T01:07:11.188386Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

59fb2ae15449161229c891e44a2ba801f0571274249bc398e0275381989ad6dd

Aliases

arxiv: cond-mat/9509015 · arxiv_version: cond-mat/9509015v1 · doi: 10.48550/arxiv.cond-mat/9509015 · pith_short_12: LH5SVYKUJELB · pith_short_16: LH5SVYKUJELBEKOI · pith_short_8: LH5SVYKU

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/LH5SVYKUJELBEKOISHSEUK5IAH \
  | 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: 59fb2ae15449161229c891e44a2ba801f0571274249bc398e0275381989ad6dd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d8b4d5d3d26492d15150cca417bd0752cc1db079f9bb3e061b8cdc608cfb1c19",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "cond-mat",
    "submitted_at": "1995-09-04T08:31:54Z",
    "title_canon_sha256": "13220e7ab54ce657267d43af131632a08349751b3b2df638c04b36c890c9c2d4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cond-mat/9509015",
    "kind": "arxiv",
    "version": 1
  }
}