Pith Number

pith:FRVGTZ3W

pith:2021:FRVGTZ3WRMWLZW6PKAXWJV6D7V

not attested not anchored not stored refs pending

Impact of quantum-chemical metrics on the machine learning prediction of electron density

Alberto Fabrizio, Clemence Corminboeuf, Ksenia R. Briling

arxiv:2104.12457 v3 · 2021-04-26 · 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{FRVGTZ3WRMWLZW6PKAXWJV6D7V}

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	2026-07-05T03:31:26.747965Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2c6a69e7768b2cbcdbcf502f64d7c3fd5dccb758b1999b5ad2d2499819296346

Aliases

arxiv: 2104.12457 · arxiv_version: 2104.12457v3 · doi: 10.48550/arxiv.2104.12457 · pith_short_12: FRVGTZ3WRMWL · pith_short_16: FRVGTZ3WRMWLZW6P · pith_short_8: FRVGTZ3W

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/FRVGTZ3WRMWLZW6PKAXWJV6D7V \
  | 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: 2c6a69e7768b2cbcdbcf502f64d7c3fd5dccb758b1999b5ad2d2499819296346

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "316470cb348684e51e56486e92445d4028d7b104484efe7af183d5eae2819703",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.chem-ph",
    "submitted_at": "2021-04-26T10:39:38Z",
    "title_canon_sha256": "62063d9dcca5f4987db62ec69fccb2fdfcf0f623af6cdb68e666496ecfaf27ec"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2104.12457",
    "kind": "arxiv",
    "version": 3
  }
}