Pith Number

pith:NRFPQMVY

pith:2019:NRFPQMVYUIXDQZSBKXUQ5GIQDY

not attested not anchored not stored refs pending

An Atomistic Machine Learning Package for Surface Science and Catalysis

Jacob R. Boes, Jos\'e A. Garrido Torres, Martin Hangaard Hansen, Osman G. Mamun, Paul C. Jennings, Thomas Bligaard, Ziyun Wang

arxiv:1904.00904 v1 · 2019-04-01 · physics.chem-ph · cs.LG · physics.comp-ph · physics.data-an

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NRFPQMVYUIXDQZSBKXUQ5GIQDY}

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	2026-05-17T23:49:44.893019Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6c4af832b8a22e38664155e90e99101e38a095b9fc860b759d28ee5c5bf27284

Aliases

arxiv: 1904.00904 · arxiv_version: 1904.00904v1 · doi: 10.48550/arxiv.1904.00904 · pith_short_12: NRFPQMVYUIXD · pith_short_16: NRFPQMVYUIXDQZSB · pith_short_8: NRFPQMVY

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/NRFPQMVYUIXDQZSBKXUQ5GIQDY \
  | 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: 6c4af832b8a22e38664155e90e99101e38a095b9fc860b759d28ee5c5bf27284

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a0346599b28f892a00d6d7506a7f2aebfb8f7169e0ab6ef726eec5e91e34a4ee",
    "cross_cats_sorted": [
      "cs.LG",
      "physics.comp-ph",
      "physics.data-an"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.chem-ph",
    "submitted_at": "2019-04-01T15:09:08Z",
    "title_canon_sha256": "16f611c44e35549dd0a093a8a1632f37c48375836107e61bb9a4cadb6a9a6684"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.00904",
    "kind": "arxiv",
    "version": 1
  }
}