Pith Number

pith:EPVKZRJG

pith:2024:EPVKZRJGL5ISEKZC6UXA2HE4GK

not attested not anchored not stored refs pending

Learning Density Functionals from Noisy Quantum Data

Emiel Koridon, Eric Prehn, Evert van Nieuwenburg, Felix Frohnert, Jordi Tura, Stefano Polla

arxiv:2409.02921 v1 · 2024-09-04 · 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{EPVKZRJGL5ISEKZC6UXA2HE4GK}

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	2026-07-05T11:29:01.510631Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

23eaacc5265f51222b22f52e0d1c9c32beea4ae186ea4bcf99bee063d595de73

Aliases

arxiv: 2409.02921 · arxiv_version: 2409.02921v1 · doi: 10.48550/arxiv.2409.02921 · pith_short_12: EPVKZRJGL5IS · pith_short_16: EPVKZRJGL5ISEKZC · pith_short_8: EPVKZRJG

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/EPVKZRJGL5ISEKZC6UXA2HE4GK \
  | 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: 23eaacc5265f51222b22f52e0d1c9c32beea4ae186ea4bcf99bee063d595de73

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a833aa10409f18b010412827791a1cba2ae50f34ad79aa81943e4234b0470979",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2024-09-04T17:59:55Z",
    "title_canon_sha256": "542931ef1d3524818dee3087d73cf090772a0635576bb8c7a355879aa26551b6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2409.02921",
    "kind": "arxiv",
    "version": 1
  }
}