Pith Number

pith:X2QFD2MO

pith:2019:X2QFD2MON3ZOJXM7ZO4VPEJGIO

not attested not anchored not stored refs pending

A Model to Search for Synthesizable Molecules

Brooks Paige, John Bradshaw, Jos\'e Miguel Hern\'andez-Lobato, Marwin H. S. Segler, Matt J. Kusner

arxiv:1906.05221 v2 · 2019-06-12 · cs.LG · physics.comp-ph · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{X2QFD2MON3ZOJXM7ZO4VPEJGIO}

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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.

Cited by

1 paper in Pith

ChemBO: Bayesian Optimization of Small Organic Molecules with Synthesizable Recommendations

Receipt and verification

First computed	2026-07-05T00:23:49.915680Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bea051e98e6ef2e4dd9fcbb957912643ad3c5b0f8a458d9df0711746d8a3c416

Aliases

arxiv: 1906.05221 · arxiv_version: 1906.05221v2 · doi: 10.48550/arxiv.1906.05221 · pith_short_12: X2QFD2MON3ZO · pith_short_16: X2QFD2MON3ZOJXM7 · pith_short_8: X2QFD2MO

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/X2QFD2MON3ZOJXM7ZO4VPEJGIO \
  | 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: bea051e98e6ef2e4dd9fcbb957912643ad3c5b0f8a458d9df0711746d8a3c416

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "87778445adc9698daf81e50f53f23975237e5095ddd82178a0911b08073891cb",
    "cross_cats_sorted": [
      "physics.comp-ph",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2019-06-12T15:53:47Z",
    "title_canon_sha256": "6150090ade743180f57fbae7983afb8b8099eb8d951c2b2d90618e2ee1d7a88f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.05221",
    "kind": "arxiv",
    "version": 2
  }
}