Pith Number

pith:MTOHL7RQ

pith:2015:MTOHL7RQKOQGYXVUNNYMLJBJZY

not attested not anchored not stored refs pending

Observation of superconductivity in 3D Dirac semimetal Cd3As2 crystal

Haiwen Liu, He Wang, Hong Lu, Huichao Wang, Jian Wang, Jian Wei, Shuang Jia, Wuhao Yang, X. C. Xie, Xiong-jun Liu

arxiv:1501.00418 v2 · 2015-01-02 · 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{MTOHL7RQKOQGYXVUNNYMLJBJZY}

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	2026-05-18T01:23:38.596703Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

64dc75fe3053a06c5eb46b70c5a429ce2927c6437f5af7b946c1e881ef430639

Aliases

arxiv: 1501.00418 · arxiv_version: 1501.00418v2 · doi: 10.48550/arxiv.1501.00418 · pith_short_12: MTOHL7RQKOQG · pith_short_16: MTOHL7RQKOQGYXVU · pith_short_8: MTOHL7RQ

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/MTOHL7RQKOQGYXVUNNYMLJBJZY \
  | 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: 64dc75fe3053a06c5eb46b70c5a429ce2927c6437f5af7b946c1e881ef430639

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4e6dd45db2a36676a3bdb0152ae5be000a764d72ab8811f739f42d386a9374dc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.supr-con",
    "submitted_at": "2015-01-02T14:55:00Z",
    "title_canon_sha256": "c25ffaa14aa52646186d396e90f4b3588877641967bce7768bfdadf59061967c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.00418",
    "kind": "arxiv",
    "version": 2
  }
}