Pith Number

pith:5YH7Z6KD

pith:2019:5YH7Z6KDPRVL2AJURQLIWB25ZN

not attested not anchored not stored refs pending

Symbolic Regression Discovery of New Perovskite Catalysts with High Oxygen Evolution Reaction Activity

Baicheng Weng, Corey G. Grice, Qingde Sun, Qingyu Yan, Rilong Zhu, Wan-Jian Yin, Yanfa Yan, Zhilong Song

arxiv:1908.06778 v1 · 2019-08-19 · 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{5YH7Z6KDPRVL2AJURQLIWB25ZN}

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	2026-07-04T23:58:19.228844Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ee0ffcf9437c6abd01348c168b075dcb46fde5640fc1a6cb378ea7df8c7dc786

Aliases

arxiv: 1908.06778 · arxiv_version: 1908.06778v1 · doi: 10.48550/arxiv.1908.06778 · pith_short_12: 5YH7Z6KDPRVL · pith_short_16: 5YH7Z6KDPRVL2AJU · pith_short_8: 5YH7Z6KD

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/5YH7Z6KDPRVL2AJURQLIWB25ZN \
  | 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: ee0ffcf9437c6abd01348c168b075dcb46fde5640fc1a6cb378ea7df8c7dc786

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6cfe6339180bb94fd4ee14375581b98f1a950d2b97fed1ccb38e1d2d5c7c1519",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2019-08-19T13:10:44Z",
    "title_canon_sha256": "43b51d270dca47ac69a1d7eded89405439a80eebff925895ba4f3aee6a4b81fe"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.06778",
    "kind": "arxiv",
    "version": 1
  }
}