Pith Number

pith:FHIW4B7U

pith:2018:FHIW4B7UBGHCC6YNY6TJ7DCG72

not attested not anchored not stored refs pending

Boosting quantum machine learning models with multi-level combination technique: Pople diagrams revisited

Bing Huang, Helmut Harbrecht, O. Anatole von Lilienfeld, Peter Zaspel

arxiv:1808.02799 v2 · 2018-08-08 · 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{FHIW4B7UBGHCC6YNY6TJ7DCG72}

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	2026-05-18T00:08:30.723149Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

29d16e07f4098e217b0dc7a69f8c46feaa847a60230fb4600042e41d7b659c98

Aliases

arxiv: 1808.02799 · arxiv_version: 1808.02799v2 · doi: 10.48550/arxiv.1808.02799 · pith_short_12: FHIW4B7UBGHC · pith_short_16: FHIW4B7UBGHCC6YN · pith_short_8: FHIW4B7U

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/FHIW4B7UBGHCC6YNY6TJ7DCG72 \
  | 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: 29d16e07f4098e217b0dc7a69f8c46feaa847a60230fb4600042e41d7b659c98

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4d42a33bb202b8458b0afd76fde4532e8ea0185cf7e04609cb75a1dc01509ca4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.chem-ph",
    "submitted_at": "2018-08-08T14:37:21Z",
    "title_canon_sha256": "7759e6aebb6cf054a6e1d744582d9ec96333e2de3386d627749a908222b3df31"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.02799",
    "kind": "arxiv",
    "version": 2
  }
}