Pith Number

pith:TD4HCGR6

pith:2022:TD4HCGR6QLMEPOVNG6I422OI2D

not attested not anchored not stored refs pending

Automatic Identification of Chemical Moieties

Jonas Lederer, Klaus-Robert M\"uller, Kristof T. Sch\"utt, Michael Gastegger, Michael Kampffmeyer, Oliver T. Unke

arxiv:2203.16205 v2 · 2022-03-30 · physics.chem-ph · 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{TD4HCGR6QLMEPOVNG6I422OI2D}

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	2026-07-05T06:04:50.297866Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

98f8711a3e82d847baad3791cd69c8d0f733c62284880a2027f5643114f678da

Aliases

arxiv: 2203.16205 · arxiv_version: 2203.16205v2 · doi: 10.48550/arxiv.2203.16205 · pith_short_12: TD4HCGR6QLME · pith_short_16: TD4HCGR6QLMEPOVN · pith_short_8: TD4HCGR6

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/TD4HCGR6QLMEPOVNG6I422OI2D \
  | 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: 98f8711a3e82d847baad3791cd69c8d0f733c62284880a2027f5643114f678da

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a775fd096bb55e2593c56c8049b3ac8f85dd4971fe5c9ff253ecfd5b071f8392",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.chem-ph",
    "submitted_at": "2022-03-30T10:58:23Z",
    "title_canon_sha256": "12151316c1af01264be44a3583c9453840b392eb624758ba5a1ef31d7d03bf68"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2203.16205",
    "kind": "arxiv",
    "version": 2
  }
}