Pith Number

pith:GHY46CPX

pith:1999:GHY46CPXQDX3TT54FP2KSC5JNW

not attested not anchored not stored refs pending

Compressibility of the Two-Dimensional infinite-U Hubbard Model

Arti Tandon, Gabriel Kotliar, Ziqiang Wang

arxiv:cond-mat/9904235 v2 · 1999-04-16 · 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{GHY46CPXQDX3TT54FP2KSC5JNW}

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	2026-07-04T16:12:36.205696Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

31f1cf09f780efb9cfbc2bf4a90ba96dba5ee567c69100beef4a2c8b71e28282

Aliases

arxiv: cond-mat/9904235 · arxiv_version: cond-mat/9904235v2 · doi: 10.48550/arxiv.cond-mat/9904235 · pith_short_12: GHY46CPXQDX3 · pith_short_16: GHY46CPXQDX3TT54 · pith_short_8: GHY46CPX

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/GHY46CPXQDX3TT54FP2KSC5JNW \
  | 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: 31f1cf09f780efb9cfbc2bf4a90ba96dba5ee567c69100beef4a2c8b71e28282

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a99a21d475584fa142bd5cbea206bbb07ae9093c21148bbea46a954d71a692e9",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "cond-mat.str-el",
    "submitted_at": "1999-04-16T15:08:53Z",
    "title_canon_sha256": "6c345f84ef56d99c1a38d6ea58eaeed451bd9693485dc191d4298c5fc120fb97"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cond-mat/9904235",
    "kind": "arxiv",
    "version": 2
  }
}