Pith Number

pith:G5UPNA6O

pith:2019:G5UPNA6OZ4MVL5KSPLC5SBU3HI

not attested not anchored not stored refs pending

Machine learning meets quantum physics

Dong-Ling Deng, Lu-Ming Duan, Sankar Das Sarma

arxiv:1903.03516 v1 · 2019-03-04 · physics.pop-ph · cond-mat.dis-nn · physics.comp-ph · quant-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{G5UPNA6OZ4MVL5KSPLC5SBU3HI}

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	2026-05-17T23:51:29.556759Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3768f683cecf1955f5527ac5d9069b3a121835408dab56cf0b91539205937877

Aliases

arxiv: 1903.03516 · arxiv_version: 1903.03516v1 · doi: 10.48550/arxiv.1903.03516 · pith_short_12: G5UPNA6OZ4MV · pith_short_16: G5UPNA6OZ4MVL5KS · pith_short_8: G5UPNA6O

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/G5UPNA6OZ4MVL5KSPLC5SBU3HI \
  | 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: 3768f683cecf1955f5527ac5d9069b3a121835408dab56cf0b91539205937877

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a4cf93a818187738163eb1e3befa534f363ed2f0b37f31f50b25a4acb18feea4",
    "cross_cats_sorted": [
      "cond-mat.dis-nn",
      "physics.comp-ph",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.pop-ph",
    "submitted_at": "2019-03-04T19:00:05Z",
    "title_canon_sha256": "03bc9209db47a16977935d0d8e0d20ee6f129c4ceb867aadcbad6181287d5a45"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.03516",
    "kind": "arxiv",
    "version": 1
  }
}