Pith Number

pith:OWDDPP7Z

pith:2019:OWDDPP7Z7GECSN5FSYKKDZE3AD

not attested not anchored not stored refs pending

Single-crystal growth and extremely high H_c2 of 12442-type Fe-based superconductor KCa_2Fe_4As_4F_2

Chi Zhang, Da Jiang, Gang Mu, Hua Jin, Jianan Chu, Jiaxin Feng, Lingling Wang, Tao Hu, Teng Wang, Wei Li, Wei Peng, Xiaosong Liu, Yekai Song, Zhuojun Li

arxiv:1903.04822 v1 · 2019-03-12 · cond-mat.supr-con · cond-mat.mtrl-sci · cond-mat.str-el

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OWDDPP7Z7GECSN5FSYKKDZE3AD}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-17T23:43:42.482046Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

758637bff9f9882937a59614a1e49b00dbf3ed2351ce7da6db7eb90c19f88815

Aliases

arxiv: 1903.04822 · arxiv_version: 1903.04822v1 · doi: 10.48550/arxiv.1903.04822 · pith_short_12: OWDDPP7Z7GEC · pith_short_16: OWDDPP7Z7GECSN5F · pith_short_8: OWDDPP7Z

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/OWDDPP7Z7GECSN5FSYKKDZE3AD \
  | 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: 758637bff9f9882937a59614a1e49b00dbf3ed2351ce7da6db7eb90c19f88815

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a65611d271937aef784f93e51284b815c0394c5bca21e5d6bd36312f19f73949",
    "cross_cats_sorted": [
      "cond-mat.mtrl-sci",
      "cond-mat.str-el"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.supr-con",
    "submitted_at": "2019-03-12T10:26:47Z",
    "title_canon_sha256": "63c57d5f22fcd87630ae8531faa2b193d25d018fa9942adef65503f4f2291646"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.04822",
    "kind": "arxiv",
    "version": 1
  }
}