Pith Number

pith:SQ24R66C

pith:2022:SQ24R66C52SJXYKBTI2EGSQBKV

not attested not anchored not stored refs pending

SparseChem: Fast and accurate machine learning model for small molecules

Adam Arany, Jaak Simm, Martijn Oldenhof, Yves Moreau

arxiv:2203.04676 v1 · 2022-03-09 · stat.ML · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SQ24R66C52SJXYKBTI2EGSQBKV}

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	2026-07-05T04:03:21.281268Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9435c8fbc2eea49be1419a34434a01555322a2b531fd7fd7428711b270a9b2d9

Aliases

arxiv: 2203.04676 · arxiv_version: 2203.04676v1 · doi: 10.48550/arxiv.2203.04676 · pith_short_12: SQ24R66C52SJ · pith_short_16: SQ24R66C52SJXYKB · pith_short_8: SQ24R66C

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/SQ24R66C52SJXYKBTI2EGSQBKV \
  | 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: 9435c8fbc2eea49be1419a34434a01555322a2b531fd7fd7428711b270a9b2d9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bf0bebc94b7011b3dde697a3afcdddd5ea37e116c197d2a2cd9f186218700612",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2022-03-09T12:40:35Z",
    "title_canon_sha256": "cac38f8787020af3bcfaedc2ae03ecb59db7ad0e71a460fdf12458f6c84b3b15"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2203.04676",
    "kind": "arxiv",
    "version": 1
  }
}