Pith Number

pith:4FSF7KZK

pith:2023:4FSF7KZK4VOSGNK7VC35FMR3BH

not attested not anchored not stored refs pending

No evidence of superconductivity in the compressed sample prepared from the lutetium foil and H2/N2 gas mixture

Haiyun Shu, Ho-kwang Mao, Jing Guo, Jinyu Han, Jinyu Zhao, Liling Sun, Liuxiang Yang, Pengyu Wang, Qi Wu, Shu Cai, Tao Xiang, Wenge Yang, Yazhou Zhou

arxiv:2304.03100 v1 · 2023-04-06 · 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{4FSF7KZK4VOSGNK7VC35FMR3BH}

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	2026-07-05T06:13:20.249758Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e1645fab2ae55d23355fa8b7d2b23b09ff58e1dda578d5194af337982bbf085f

Aliases

arxiv: 2304.03100 · arxiv_version: 2304.03100v1 · doi: 10.48550/arxiv.2304.03100 · pith_short_12: 4FSF7KZK4VOS · pith_short_16: 4FSF7KZK4VOSGNK7 · pith_short_8: 4FSF7KZK

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/4FSF7KZK4VOSGNK7VC35FMR3BH \
  | 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: e1645fab2ae55d23355fa8b7d2b23b09ff58e1dda578d5194af337982bbf085f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9b638d20a5cd1dfc2dc68d09b26e8670efda3b40d223858a1f663d11eab25d9e",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cond-mat.supr-con",
    "submitted_at": "2023-04-06T14:26:36Z",
    "title_canon_sha256": "a77e9abd72cc8b9228dd2834afec329a8722f4e2975a3b3696f4f1f3bfee92f2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2304.03100",
    "kind": "arxiv",
    "version": 1
  }
}