Pith Number

pith:VCZ7SVSO

pith:1999:VCZ7SVSOPHCNLZ2IHSWJDNUQF2

not attested not anchored not stored refs pending

Critical doping in overdoped high-Tc superconductors - a Quantum Critical Point?

C. Bernhard, G. V. M. Williams, I. R. Fisher, J. D. Johnson, J. L. Tallon, J. R. Cooper, J. W. Loram, M. P. Staines

arxiv:cond-mat/9911157 v1 · 1999-11-11 · 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{VCZ7SVSOPHCNLZ2IHSWJDNUQF2}

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	2026-05-18T01:39:27.073176Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a8b3f9564e79c4d5e7483cac91b6902e8949f4034af275e6b99498cd8075e9e8

Aliases

arxiv: cond-mat/9911157 · arxiv_version: cond-mat/9911157v1 · doi: 10.48550/arxiv.cond-mat/9911157 · pith_short_12: VCZ7SVSOPHCN · pith_short_16: VCZ7SVSOPHCNLZ2I · pith_short_8: VCZ7SVSO

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/VCZ7SVSOPHCNLZ2IHSWJDNUQF2 \
  | 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: a8b3f9564e79c4d5e7483cac91b6902e8949f4034af275e6b99498cd8075e9e8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aaa0a4e035fd976aafcd4c0e5876cb194e1f96dcac28e678c0d831b6f4fcecd0",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "cond-mat.supr-con",
    "submitted_at": "1999-11-11T01:24:03Z",
    "title_canon_sha256": "825b19c9616b53bfa69386a09bcd5e1c453a6ac231d6ad6751bb4b8678ea17a3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cond-mat/9911157",
    "kind": "arxiv",
    "version": 1
  }
}