Pith Number

pith:ZGLHU2QH

pith:2000:ZGLHU2QHPN5NGRMZLAJAI7ZQFL

not attested not anchored not stored refs pending

Superconductivity as a Bose-Einstein condensation?

A.A. Valladares, A. Puente, A. Rigo, M.A. Sol\'is, M. Casas, M. de Llano, M. Fortes, O. Rojo, S.K. Adhikari

arxiv:cond-mat/0004223 v1 · 2000-04-13 · cond-mat.supr-con · cond-mat.soft

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZGLHU2QHPN5NGRMZLAJAI7ZQFL}

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	2026-05-18T01:09:10.230070Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c9967a6a077b7ad345995812047f302ad59cb87f0d2c3a05c98965a6229f14e9

Aliases

arxiv: cond-mat/0004223 · arxiv_version: cond-mat/0004223v1 · doi: 10.48550/arxiv.cond-mat/0004223 · pith_short_12: ZGLHU2QHPN5N · pith_short_16: ZGLHU2QHPN5NGRMZ · pith_short_8: ZGLHU2QH

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/ZGLHU2QHPN5NGRMZLAJAI7ZQFL \
  | 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: c9967a6a077b7ad345995812047f302ad59cb87f0d2c3a05c98965a6229f14e9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5463c97ff763f19ca5340c4c199ba6df222b4b4ca428e981012dd43266e92f8a",
    "cross_cats_sorted": [
      "cond-mat.soft"
    ],
    "license": "",
    "primary_cat": "cond-mat.supr-con",
    "submitted_at": "2000-04-13T16:04:11Z",
    "title_canon_sha256": "02b4bc7a89d5c77dba0e8d02bee819496d78e67270098915c08cddb62539c9fa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cond-mat/0004223",
    "kind": "arxiv",
    "version": 1
  }
}