Pith Number

pith:NRYPJV6J

pith:2002:NRYPJV6JS3D3PBFQWRL5OF4YBC

not attested not anchored not stored refs pending

Large N limit of the exactly solvable BCS model: analytics versus numerics

CSIC, CSIC/UAM, G. Sierra (IFT, J. Dukelsky (IEM, J.M. Roman, Spain)

arxiv:cond-mat/0202070 v2 · 2002-02-05 · cond-mat.supr-con · nucl-th

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NRYPJV6JS3D3PBFQWRL5OF4YBC}

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.

Cited by

1 paper in Pith

2D CFT and efficient Bethe ansatz for exactly solvable Richardson-Gaudin models

Receipt and verification

First computed	2026-05-18T04:17:53.453088Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6c70f4d7c996c7b784b0b457d71798089d0a576baec2481da877965bbd991155

Aliases

arxiv: cond-mat/0202070 · arxiv_version: cond-mat/0202070v2 · doi: 10.48550/arxiv.cond-mat/0202070 · pith_short_12: NRYPJV6JS3D3 · pith_short_16: NRYPJV6JS3D3PBFQ · pith_short_8: NRYPJV6J

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/NRYPJV6JS3D3PBFQWRL5OF4YBC \
  | 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: 6c70f4d7c996c7b784b0b457d71798089d0a576baec2481da877965bbd991155

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "377e33ec042ff371941ae2616497c2c995670166891ab81b0f1596f45befc301",
    "cross_cats_sorted": [
      "nucl-th"
    ],
    "license": "",
    "primary_cat": "cond-mat.supr-con",
    "submitted_at": "2002-02-05T15:04:51Z",
    "title_canon_sha256": "a1c101be98d2e707a452be3d30a3feff587ce0e4cc9d8cbc36f4ef0324a12a5f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cond-mat/0202070",
    "kind": "arxiv",
    "version": 2
  }
}