Pith Number

pith:Z67EN6VE

pith:2004:Z67EN6VEBYPRTTRVSRC7BI6O3R

not attested not anchored not stored refs pending

Exact Numerical Solution of the BCS Pairing Problem

An Min Wang, Feng Xu, Hao You, Xiaodong Yang, Xiaosan Ma

arxiv:quant-ph/0407100 v3 · 2004-07-14 · quant-ph · cond-mat.supr-con

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Z67EN6VEBYPRTTRVSRC7BI6O3R}

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	2026-05-18T01:37:58.486521Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cfbe46faa40e1f19ce359445f0a3cedc41a6712ffb3ae1610bb8e7e278a51c07

Aliases

arxiv: quant-ph/0407100 · arxiv_version: quant-ph/0407100v3 · doi: 10.48550/arxiv.quant-ph/0407100 · pith_short_12: Z67EN6VEBYPR · pith_short_16: Z67EN6VEBYPRTTRV · pith_short_8: Z67EN6VE

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/Z67EN6VEBYPRTTRVSRC7BI6O3R \
  | 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: cfbe46faa40e1f19ce359445f0a3cedc41a6712ffb3ae1610bb8e7e278a51c07

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "39555a6b23b906d3c40c963377c812c9d39628024e62b55ac4846207b724459a",
    "cross_cats_sorted": [
      "cond-mat.supr-con"
    ],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2004-07-14T11:07:01Z",
    "title_canon_sha256": "9956fcf6e9849240e76330124d048c837d931201e94af778b32d24c05af04a64"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0407100",
    "kind": "arxiv",
    "version": 3
  }
}