Pith Number

pith:2AQOTQ3J

pith:2023:2AQOTQ3JK7PXRUUWTMZ53LNB5I

not attested not anchored not stored refs pending

Machine learning guided discovery of superconducting calcium borocarbides

Cai-Zhuang Wang, Chao Zhang, Chen Pan, Hong Jiang, Huai-Jun Sun, Hui Tang, Kai-Ming Ho

arxiv:2303.09342 v1 · 2023-03-16 · 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{2AQOTQ3JK7PXRUUWTMZ53LNB5I}

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	2026-07-05T06:38:50.573765Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d020e9c36957df78d2969b33ddada1ea204a5229f9124032f7484b366ef7fc16

Aliases

arxiv: 2303.09342 · arxiv_version: 2303.09342v1 · doi: 10.48550/arxiv.2303.09342 · pith_short_12: 2AQOTQ3JK7PX · pith_short_16: 2AQOTQ3JK7PXRUUW · pith_short_8: 2AQOTQ3J

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/2AQOTQ3JK7PXRUUWTMZ53LNB5I \
  | 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: d020e9c36957df78d2969b33ddada1ea204a5229f9124032f7484b366ef7fc16

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2c81512a9e9e4dbdd3127b8d03b8520a6890b62b3d1b1be7758055b3c3a3d3f3",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2023-03-16T14:22:12Z",
    "title_canon_sha256": "8d902f416c5f10f973dc45e7b9658e63e4c5f412823534c63ed0b0a55534610f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2303.09342",
    "kind": "arxiv",
    "version": 1
  }
}