Pith Number

pith:SPAAB5CY

pith:2023:SPAAB5CYY7UFRR6EPXROOORO33

not attested not anchored not stored refs pending

Superconductivity above 70 K observed in lutetium polyhydrides

Baosen Min, Changling Zhang, Changqing Jin, Haozhe Liu, Jay D Bass, Jianfa Zhao, Jun Zhang, Ke Lu, Luchuan Shi, Luhong Wang, Richeng Yu, Shaomin Feng, Sijia Zhang, Stella Chariton, Vitali Prakapenka, Xiancheng Wang, Xin He, Yingzhe Li, Yi Peng, Zhiwen Li

arxiv:2303.05117 v3 · 2023-03-09 · cond-mat.supr-con · cond-mat.mtrl-sci · cond-mat.str-el

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SPAAB5CYY7UFRR6EPXROOORO33}

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	2026-07-05T05:54:15.908539Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

93c000f458c7e858c7c47de2e73a2ededbaf7f43af328b05a6ad62d03861e008

Aliases

arxiv: 2303.05117 · arxiv_version: 2303.05117v3 · doi: 10.48550/arxiv.2303.05117 · pith_short_12: SPAAB5CYY7UF · pith_short_16: SPAAB5CYY7UFRR6E · pith_short_8: SPAAB5CY

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/SPAAB5CYY7UFRR6EPXROOORO33 \
  | 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: 93c000f458c7e858c7c47de2e73a2ededbaf7f43af328b05a6ad62d03861e008

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ef52786f6d6261345f890fd075c000778fc1217888ff0914ff8193ffcfc65b14",
    "cross_cats_sorted": [
      "cond-mat.mtrl-sci",
      "cond-mat.str-el"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cond-mat.supr-con",
    "submitted_at": "2023-03-09T08:54:08Z",
    "title_canon_sha256": "4de2f6f05cc1fb47974cc9be849fe2ffb83a1b9aa3659e5a4059e73ec249fa1c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2303.05117",
    "kind": "arxiv",
    "version": 3
  }
}