Pith Number

pith:3CCXDWBU

pith:2019:3CCXDWBUUROIQJCGECMNPVDOCF

not attested not anchored not stored refs pending

FCHL revisited: faster and more accurate quantum machine learning

Anders S. Christensen, Felix A. Faber, Lars A. Bratholm, O. Anatole von Lilienfeld

arxiv:1909.01946 v2 · 2019-09-04 · 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{3CCXDWBUUROIQJCGECMNPVDOCF}

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

Regression-clustering for Improved Accuracy and Training Cost with Molecular-Orbital-Based Machine Learning

Receipt and verification

First computed	2026-07-05T00:41:36.767610Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d88571d834a45c8824462098d7d46e116e2623e357b63d392582a49dcec077bb

Aliases

arxiv: 1909.01946 · arxiv_version: 1909.01946v2 · doi: 10.48550/arxiv.1909.01946 · pith_short_12: 3CCXDWBUUROI · pith_short_16: 3CCXDWBUUROIQJCG · pith_short_8: 3CCXDWBU

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/3CCXDWBUUROIQJCGECMNPVDOCF \
  | 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: d88571d834a45c8824462098d7d46e116e2623e357b63d392582a49dcec077bb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "56f1d7650659083dcaaa4a4fd27d89774dc4840efaa3cb6ba89316a7af73a163",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.chem-ph",
    "submitted_at": "2019-09-04T17:17:20Z",
    "title_canon_sha256": "797ce3c390b2d28b037906be84bdf2cfa7661ce04515dd37bbd4183e8a14041e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1909.01946",
    "kind": "arxiv",
    "version": 2
  }
}