Pith Number

pith:BRMFFROX

pith:2025:BRMFFROX2KPRON4Y2UMFJGMX6Y

not attested not anchored not stored refs pending

Specific heat and density anomaly in the Hubbard model

Eduardo O. Rizzatti, M. A. Habitzreuter, Marcia C. Barbosa, Thereza Paiva, Willdauany C. de Freitas Silva

arxiv:2507.04041 v3 · 2025-07-05 · 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{BRMFFROX2KPRON4Y2UMFJGMX6Y}

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	2026-05-17T23:39:17.852219Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0c5852c5d7d29f173798d518549997f61091acb3719c0575039f02bebf692e9c

Aliases

arxiv: 2507.04041 · arxiv_version: 2507.04041v3 · doi: 10.48550/arxiv.2507.04041 · pith_short_12: BRMFFROX2KPR · pith_short_16: BRMFFROX2KPRON4Y · pith_short_8: BRMFFROX

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/BRMFFROX2KPRON4Y2UMFJGMX6Y \
  | 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: 0c5852c5d7d29f173798d518549997f61091acb3719c0575039f02bebf692e9c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1bfbdd1027a8d30b274667aea960fc2d46b0c28868fa8945a69627666a49a787",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cond-mat.str-el",
    "submitted_at": "2025-07-05T13:40:19Z",
    "title_canon_sha256": "a9ca99646680cbdc24c24b53960d82edf03ed1ff3c982a1ab99c11e3de9265b6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.04041",
    "kind": "arxiv",
    "version": 3
  }
}