Pith Number

pith:7QZ7OHNA

pith:2025:7QZ7OHNAYY6YYRTQNLCBHM6PGP

not attested not anchored not stored refs pending

Composition-Based Machine Learning for Screening Superconducting Ternary Hydrides from a Curated Dataset

Katsuaki Tanabe, Kazuaki Tokuyama, Souta Miyamoto, Taichi Masuda

arxiv:2512.20228 v1 · 2025-12-23 · cond-mat.supr-con · cond-mat.mtrl-sci

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7QZ7OHNAYY6YYRTQNLCBHM6PGP}

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	2026-05-20T00:01:38.288947Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fc33f71da0c63d8c46706ac413b3cf33fd4cb79675c14fd34c574e9a759d4c54

Aliases

arxiv: 2512.20228 · arxiv_version: 2512.20228v1 · doi: 10.48550/arxiv.2512.20228 · pith_short_12: 7QZ7OHNAYY6Y · pith_short_16: 7QZ7OHNAYY6YYRTQ · pith_short_8: 7QZ7OHNA

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/7QZ7OHNAYY6YYRTQNLCBHM6PGP \
  | 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: fc33f71da0c63d8c46706ac413b3cf33fd4cb79675c14fd34c574e9a759d4c54

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "16877cd3ae1af0f3c53bf1117a0174bcd6faa923fbc1702a8b5216854d0028fd",
    "cross_cats_sorted": [
      "cond-mat.mtrl-sci"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cond-mat.supr-con",
    "submitted_at": "2025-12-23T10:40:50Z",
    "title_canon_sha256": "09e3e8744a5dbc4d4f97f32125924efef9f801275a350ea5ed13c2aedfef086d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2512.20228",
    "kind": "arxiv",
    "version": 1
  }
}