Pith Number

pith:F3KA37ZJ

pith:2025:F3KA37ZJZTAW3MNFPLCFNDSLX4

not attested not anchored not stored refs pending

OCSU: Optical Chemical Structure Understanding for Molecule-centric Scientific Discovery

Ailin Xie, Bowen Cai, Gaochao Liu, Jie Xing, Mu Qiao, Siqi Fan, Yuguang Xie, Zaiqing Nie

arxiv:2501.15415 v2 · 2025-01-26 · cs.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{F3KA37ZJZTAW3MNFPLCFNDSLX4}

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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

2 papers in Pith

COMO: Closed-Loop Optical Molecule Recognition with Minimum Risk Training

MolRecBench-Wild: A Real-World Benchmark for Optical Chemical Structure Recognition

Receipt and verification

First computed	2026-07-05T11:07:19.627940Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2ed40dff29ccc16db1a57ac4568e4bbf1119ea79a394198a67790c2b0215e04a

Aliases

arxiv: 2501.15415 · arxiv_version: 2501.15415v2 · doi: 10.48550/arxiv.2501.15415 · pith_short_12: F3KA37ZJZTAW · pith_short_16: F3KA37ZJZTAW3MNF · pith_short_8: F3KA37ZJ

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/F3KA37ZJZTAW3MNFPLCFNDSLX4 \
  | 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: 2ed40dff29ccc16db1a57ac4568e4bbf1119ea79a394198a67790c2b0215e04a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "73a991edd61f15bc6934b527aeef6102fff1b7251dc00f770e12d78d945bef05",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2025-01-26T06:14:29Z",
    "title_canon_sha256": "474e5233869a0e25bb7780ceb098e2b0d23725c6dea5e1293759028a1789b145"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2501.15415",
    "kind": "arxiv",
    "version": 2
  }
}