Pith Number

pith:HW4QH5BR

pith:1992:HW4QH5BRZLCKRAO5RUJDB4HDDW

not attested not anchored not stored refs pending

Critical exponents of the degenerate Hubbard model

Andreas Schadschneider, Holger Frahm

arxiv:cond-mat/9207026 v1 · 1992-07-24 · 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{HW4QH5BRZLCKRAO5RUJDB4HDDW}

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	2026-07-04T15:54:48.681054Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3db903f431cac4a881dd8d1230f0e31dbb9c5583f7a7df40f04e4df9ab7e0c51

Aliases

arxiv: cond-mat/9207026 · arxiv_version: cond-mat/9207026v1 · doi: 10.48550/arxiv.cond-mat/9207026 · pith_short_12: HW4QH5BRZLCK · pith_short_16: HW4QH5BRZLCKRAO5 · pith_short_8: HW4QH5BR

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/HW4QH5BRZLCKRAO5RUJDB4HDDW \
  | 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: 3db903f431cac4a881dd8d1230f0e31dbb9c5583f7a7df40f04e4df9ab7e0c51

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "23e782e2b191cf621fd3d9c5a3abfde65682fcb339fcbe36b44c7cca7fa1174c",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "cond-mat",
    "submitted_at": "1992-07-24T10:58:50Z",
    "title_canon_sha256": "67cb7ae499038ad3650138cdf5a9ee54145aa9d2812b2f069bc26bd241c44981"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cond-mat/9207026",
    "kind": "arxiv",
    "version": 1
  }
}