Pith Number

pith:ZEWN4GO4

pith:2018:ZEWN4GO4TVKCCE7XBGAL6JQU5V

not attested not anchored not stored refs pending

A classical density functional from machine learning and a convolutional neural network

Martin Oettel, Shang-Chun Lin

arxiv:1811.05728 v3 · 2018-11-14 · cond-mat.soft

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZEWN4GO4TVKCCE7XBGAL6JQU5V}

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	2026-05-17T23:52:21.755505Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c92cde19dc9d542113f70980bf2614ed5efca7b0dbebae26b71bd8a4bcb79716

Aliases

arxiv: 1811.05728 · arxiv_version: 1811.05728v3 · doi: 10.48550/arxiv.1811.05728 · pith_short_12: ZEWN4GO4TVKC · pith_short_16: ZEWN4GO4TVKCCE7X · pith_short_8: ZEWN4GO4

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/ZEWN4GO4TVKCCE7XBGAL6JQU5V \
  | 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: c92cde19dc9d542113f70980bf2614ed5efca7b0dbebae26b71bd8a4bcb79716

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "00b62ee368448ed3e5385496feb17661111fcff63924f950f5178cdc593ee021",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.soft",
    "submitted_at": "2018-11-14T11:20:00Z",
    "title_canon_sha256": "2d5980d7c27e2b6562921373d47ae437c9a69f711a3da15972a1d032b63b0e6a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.05728",
    "kind": "arxiv",
    "version": 3
  }
}