Pith Number

pith:VKPFWMZW

pith:2010:VKPFWMZW5NZ7NQDKCONIGFIUKI

not attested not anchored not stored refs pending

Transport properties of the new Fe-based superconductor KxFe2Se2 (Tc = 33 K)

Hiroyuki Takeya, Shunsuke Tsuda, Takahide Yamaguchi, Toshinori Ozaki, Yasuna Kawasaki, Yoshihiko Takano, Yoshikazu Mizuguchi

arxiv:1012.4950 v1 · 2010-12-22 · 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{VKPFWMZW5NZ7NQDKCONIGFIUKI}

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	2026-05-18T04:30:25.331362Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

aa9e5b3336eb73f6c06a139a8315145200cd86038ae95c10f0a3394699202d17

Aliases

arxiv: 1012.4950 · arxiv_version: 1012.4950v1 · doi: 10.48550/arxiv.1012.4950 · pith_short_12: VKPFWMZW5NZ7 · pith_short_16: VKPFWMZW5NZ7NQDK · pith_short_8: VKPFWMZW

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/VKPFWMZW5NZ7NQDKCONIGFIUKI \
  | 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: aa9e5b3336eb73f6c06a139a8315145200cd86038ae95c10f0a3394699202d17

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7fc737a703c66ca8eb9b23b514ece6c4daea0bf24cdaa5d9120b0f6d0a52f27f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.supr-con",
    "submitted_at": "2010-12-22T12:11:45Z",
    "title_canon_sha256": "99bcb352da4c307974a0d4e9d7fe38b84f866eea77d5fa6c12cf1fdb89865ff6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1012.4950",
    "kind": "arxiv",
    "version": 1
  }
}