Pith Number

pith:4XWOX7IJ

pith:2010:4XWOX7IJIMQNCSILUZ3U66LMH5

not attested not anchored not stored refs pending

Possible hydrogen doping and enhancement of Tc (= 35 K) in a LaFeAsO-based superconductor

A. Iyo, C. H.Lee, H. Eisaki, H. Kito, H. Mukuda, H. Yamashita, K. Kihou, K. Miyazawa, K. Tokiwa, M. Nakajima, P. M. Shirage, S. Ishida, S. Uchida, T. Ito, Y.Tomioka

arxiv:1001.5145 v1 · 2010-01-28 · 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{4XWOX7IJIMQNCSILUZ3U66LMH5}

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	2026-05-18T02:09:28.855312Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e5ecebfd094320d1490ba6774f796c3f747972e64e682da8f2a65885ccb1f47a

Aliases

arxiv: 1001.5145 · arxiv_version: 1001.5145v1 · doi: 10.48550/arxiv.1001.5145 · pith_short_12: 4XWOX7IJIMQN · pith_short_16: 4XWOX7IJIMQNCSIL · pith_short_8: 4XWOX7IJ

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/4XWOX7IJIMQNCSILUZ3U66LMH5 \
  | 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: e5ecebfd094320d1490ba6774f796c3f747972e64e682da8f2a65885ccb1f47a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "adf687d94b1cecf5e027860f100ca4653c02c5d588ed21cfae98486ed6f1f851",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.supr-con",
    "submitted_at": "2010-01-28T10:52:19Z",
    "title_canon_sha256": "141f6ccaa950fd8e908842eb3ff3372fed2b35bf537ee5401602b9bfb7995726"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1001.5145",
    "kind": "arxiv",
    "version": 1
  }
}