Pith Number

pith:Y7MKVCTC

pith:2018:Y7MKVCTCXZLDUBMTDUI55XYNK3

not attested not anchored not stored refs pending

Chemical stability and superconductivity in Ag-sheathed CaKFe4As4 superconducting tapes

Chiheng Dong, Dongliang Wang, He Huang, Shifa Liu, Ulrich Welp, Vitalii Vlasko-Vlasov, Wai-Kwong Kwok, Yanchang Zhu, Yanwei Ma, Zhe Cheng

arxiv:1809.03768 v1 · 2018-09-11 · 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{Y7MKVCTCXZLDUBMTDUI55XYNK3}

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	2026-05-17T23:57:40.023074Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c7d8aa8a62be563a05931d11dedf0d56e4678d15d01914ccd41ec92a73808b6d

Aliases

arxiv: 1809.03768 · arxiv_version: 1809.03768v1 · doi: 10.48550/arxiv.1809.03768 · pith_short_12: Y7MKVCTCXZLD · pith_short_16: Y7MKVCTCXZLDUBMT · pith_short_8: Y7MKVCTC

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/Y7MKVCTCXZLDUBMTDUI55XYNK3 \
  | 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: c7d8aa8a62be563a05931d11dedf0d56e4678d15d01914ccd41ec92a73808b6d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8682c02b3b4de48485e9e063342a155463346876bd90f97e7aca29fcb5462c88",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.supr-con",
    "submitted_at": "2018-09-11T09:50:11Z",
    "title_canon_sha256": "510b3ce5c8255b66fd5ffe53b0b8056bfa654a7986ba3238a2a5165f5208fd8c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.03768",
    "kind": "arxiv",
    "version": 1
  }
}