Pith Number

pith:HNGCSZAR

pith:2018:HNGCSZAREOWKECC7ELVQJH66D5

not attested not anchored not stored refs pending

Molecular Structure Extraction From Documents Using Deep Learning

Carolyn McQuaw, Joshua Staker, Kyle Marshall, Robert Abel

arxiv:1802.04903 v1 · 2018-02-14 · cs.LG · physics.chem-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HNGCSZAREOWKECC7ELVQJH66D5}

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.

Cited by

1 paper in Pith

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

Receipt and verification

First computed	2026-05-18T00:23:22.260340Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3b4c29641123aca2085f22eb049fde1f79cedd921403a90a8e575c63716ea850

Aliases

arxiv: 1802.04903 · arxiv_version: 1802.04903v1 · doi: 10.48550/arxiv.1802.04903 · pith_short_12: HNGCSZAREOWK · pith_short_16: HNGCSZAREOWKECC7 · pith_short_8: HNGCSZAR

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/HNGCSZAREOWKECC7ELVQJH66D5 \
  | 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: 3b4c29641123aca2085f22eb049fde1f79cedd921403a90a8e575c63716ea850

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5302c651d0a967ee5b61da1b1c5c9014bd0ca0b2eba14c21175d2b77013b772d",
    "cross_cats_sorted": [
      "physics.chem-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2018-02-14T00:28:54Z",
    "title_canon_sha256": "935b6238d074fadcc6520326b66d2dc8a8e017f1aacc5a0c0213afeea056f5e7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.04903",
    "kind": "arxiv",
    "version": 1
  }
}