Pith Number

pith:2W7CNSAL

pith:2011:2W7CNSALHSN2NPYIS4YOWJCYLC

not attested not anchored not stored refs pending

Self-Consistent Approximations for Superconductivity beyond the Bardeen-Cooper-Schrieffer Theory

Takafumi Kita

arxiv:1111.3431 v1 · 2011-11-15 · cond-mat.supr-con · cond-mat.quant-gas · 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{2W7CNSALHSN2NPYIS4YOWJCYLC}

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	2026-05-18T04:08:14.116189Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d5be26c80b3c9ba6bf089730eb2458588ebc7bf6c2248d86dd6e13f08f6450fc

Aliases

arxiv: 1111.3431 · arxiv_version: 1111.3431v1 · doi: 10.48550/arxiv.1111.3431 · pith_short_12: 2W7CNSALHSN2 · pith_short_16: 2W7CNSALHSN2NPYI · pith_short_8: 2W7CNSAL

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/2W7CNSALHSN2NPYIS4YOWJCYLC \
  | 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: d5be26c80b3c9ba6bf089730eb2458588ebc7bf6c2248d86dd6e13f08f6450fc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "93c8e781a84b58e4dd1f32bbd0641544ce996d53a495bfbd7a629a5abc054cc4",
    "cross_cats_sorted": [
      "cond-mat.quant-gas",
      "cond-mat.str-el"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.supr-con",
    "submitted_at": "2011-11-15T04:57:31Z",
    "title_canon_sha256": "a634453f311045f2f9e4d98e7b5a6f1e9a2d0a5a69296fdb032514c5a5ab8463"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1111.3431",
    "kind": "arxiv",
    "version": 1
  }
}