Pith Number

pith:RD2IFYKT

pith:2011:RD2IFYKTNHSEICWYGKOM54257R

not attested not anchored not stored refs pending

Superconductivity in an extended Hubbard model with attractive interaction

A. Troper, C. M. Chaves, E. J. Calegari, S. G. Magalhaes

arxiv:1101.2129 v1 · 2011-01-11 · 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{RD2IFYKTNHSEICWYGKOM54257R}

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	2026-05-18T04:31:50.809870Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

88f482e15369e4440ad8329ccef35dfc60b8ed24cadf82cf424a4b8cea49b880

Aliases

arxiv: 1101.2129 · arxiv_version: 1101.2129v1 · doi: 10.48550/arxiv.1101.2129 · pith_short_12: RD2IFYKTNHSE · pith_short_16: RD2IFYKTNHSEICWY · pith_short_8: RD2IFYKT

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/RD2IFYKTNHSEICWYGKOM54257R \
  | 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: 88f482e15369e4440ad8329ccef35dfc60b8ed24cadf82cf424a4b8cea49b880

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "041dff2200e63e1a4653dbcf94def4297e7df80d5db03af5d4d9772ac9b59643",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.str-el",
    "submitted_at": "2011-01-11T14:07:11Z",
    "title_canon_sha256": "fa5a61e2c0dfc8ec727373e2a0e1ef7e619449b66ee76813fb8e864d28b57672"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1101.2129",
    "kind": "arxiv",
    "version": 1
  }
}