Pith Number

pith:YV4BU6Y3

pith:2020:YV4BU6Y3336BZ5AMUK6AVZ4YEV

not attested not anchored not stored refs pending

The PHOTON Wizard -- Towards Educational Machine Learning Code Generators

Jan Ernsting, Kelvin Sarink, Nils Ralf Winter, Ramona Leenings, Tim Hahn, Udo Dannlowski, Xiaoyi Jiang

arxiv:2002.05432 v1 · 2020-02-13 · cs.SE · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YV4BU6Y3336BZ5AMUK6AVZ4YEV}

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	2026-07-05T00:40:31.162420Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c5781a7b1bdefc1cf40ca2bc0ae79825571c7b5540430e886d20856f92f41db3

Aliases

arxiv: 2002.05432 · arxiv_version: 2002.05432v1 · doi: 10.48550/arxiv.2002.05432 · pith_short_12: YV4BU6Y3336B · pith_short_16: YV4BU6Y3336BZ5AM · pith_short_8: YV4BU6Y3

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/YV4BU6Y3336BZ5AMUK6AVZ4YEV \
  | 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: c5781a7b1bdefc1cf40ca2bc0ae79825571c7b5540430e886d20856f92f41db3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "48bf19d779fded05d71ce0a2e62451b643cf364232bdd03a4c053e3945a9b7ea",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2020-02-13T10:42:39Z",
    "title_canon_sha256": "e0ad6bd7601fb5132130106c9df88d1cc17802dfc30c713f4b254a8ee73768c9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2002.05432",
    "kind": "arxiv",
    "version": 1
  }
}