Pith Number

pith:4PDFRWHT

pith:2010:4PDFRWHTUQ72Q64GUCQLFHX7UV

not attested not anchored not stored refs pending

Pressure-induced unconventional superconductivity near a quantum critical point in CaFe2As2

Guo-qing Zheng, S. Kawasaki, T. Tabuchi, X. F. Wang, X. H. Chen

arxiv:1002.1114 v2 · 2010-02-05 · cond-mat.supr-con · 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{4PDFRWHTUQ72Q64GUCQLFHX7UV}

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	2026-05-18T02:09:19.324496Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e3c658d8f3a43fa87b86a0a0b29effa5760ec961092991ccd8f6947452c85145

Aliases

arxiv: 1002.1114 · arxiv_version: 1002.1114v2 · doi: 10.48550/arxiv.1002.1114 · pith_short_12: 4PDFRWHTUQ72 · pith_short_16: 4PDFRWHTUQ72Q64G · pith_short_8: 4PDFRWHT

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/4PDFRWHTUQ72Q64GUCQLFHX7UV \
  | 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: e3c658d8f3a43fa87b86a0a0b29effa5760ec961092991ccd8f6947452c85145

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8646f05f64c0e3f58bfb61886dddc073145a60eb106fda4cd4423bbe55ac71cf",
    "cross_cats_sorted": [
      "cond-mat.str-el"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.supr-con",
    "submitted_at": "2010-02-05T02:15:05Z",
    "title_canon_sha256": "2f62b3f9b38e0acb055b2cf18fe77ccf923160c3aa2e389eb38d4c1d9c28a4e1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1002.1114",
    "kind": "arxiv",
    "version": 2
  }
}