Pith Number

pith:X5ZRWZ6G

pith:2018:X5ZRWZ6GKD65XF4GJ2XIQCAP7Q

not attested not anchored not stored refs pending

Discovery of a new nontoxic cuprate superconducting system Ga-Ba-Ca-Cu-O

Chengping He, Hai-Hu Wen, Haonan Zhao, Jin Si, Wenhao Liu, Xiyu Zhu, Yue Zhang

arxiv:1805.09268 v1 · 2018-05-23 · 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{X5ZRWZ6GKD65XF4GJ2XIQCAP7Q}

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	2026-05-18T00:14:43.815483Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bf731b67c650fddb97864eae88080ffc08756ccaf4c99b5b0e3f83e829ae7f20

Aliases

arxiv: 1805.09268 · arxiv_version: 1805.09268v1 · doi: 10.48550/arxiv.1805.09268 · pith_short_12: X5ZRWZ6GKD65 · pith_short_16: X5ZRWZ6GKD65XF4G · pith_short_8: X5ZRWZ6G

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/X5ZRWZ6GKD65XF4GJ2XIQCAP7Q \
  | 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: bf731b67c650fddb97864eae88080ffc08756ccaf4c99b5b0e3f83e829ae7f20

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0bccf454e776c07aa71e563137e64941fdd719d95af3ccdf096033c45270e4e3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.supr-con",
    "submitted_at": "2018-05-23T16:30:29Z",
    "title_canon_sha256": "ae6e4bb9d9b117ae4276b0724b2d944ba5b4c2b6fd56e8f6574b0942b84a616c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.09268",
    "kind": "arxiv",
    "version": 1
  }
}