Pith Number

pith:WYF5VS4P

pith:2023:WYF5VS4PEBQFWSULYTH22TQ3EZ

not attested not anchored not stored refs pending

Superconductivity in graphite intercalation compounds with sodium

Artem R. Oganov, Chun-Mei Hao, Guochun Yang, Hui-Tian Wang, Jingyu Hou, Lin Wang, Shicong Ding, Xiang-Feng Zhou, Xiao Dong, Xing Li, Yanfeng Ge, Yongjun Tian

arxiv:2305.00444 v2 · 2023-04-30 · cond-mat.supr-con · physics.comp-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WYF5VS4PEBQFWSULYTH22TQ3EZ}

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	2026-07-05T06:28:18.050391Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b60bdacb8f20605b4a8bc4cfad4e1b265322f6374ce5e839560087e5a046cba8

Aliases

arxiv: 2305.00444 · arxiv_version: 2305.00444v2 · doi: 10.48550/arxiv.2305.00444 · pith_short_12: WYF5VS4PEBQF · pith_short_16: WYF5VS4PEBQFWSUL · pith_short_8: WYF5VS4P

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/WYF5VS4PEBQFWSULYTH22TQ3EZ \
  | 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: b60bdacb8f20605b4a8bc4cfad4e1b265322f6374ce5e839560087e5a046cba8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "138438a4135d80772871efd08a60de0cd477c79e1089b93ccf7a1b502089b505",
    "cross_cats_sorted": [
      "physics.comp-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.supr-con",
    "submitted_at": "2023-04-30T10:11:35Z",
    "title_canon_sha256": "4a391913f72e2c17572ad09284532d522e7c1578b7b4b0a977815a1ed59862f3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2305.00444",
    "kind": "arxiv",
    "version": 2
  }
}