Pith Number

pith:PLG5IAUX

pith:2018:PLG5IAUXLGCHXICZUZF5XJ2Y2B

not attested not anchored not stored refs pending

Far-HO: A Bilevel Programming Package for Hyperparameter Optimization and Meta-Learning

Luca Franceschi, Massimiliano Pontil, Paolo Frasconi, Riccardo Grazzi, Saverio Salzo

arxiv:1806.04941 v1 · 2018-06-13 · cs.MS · cs.LG · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PLG5IAUXLGCHXICZUZF5XJ2Y2B}

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	2026-05-18T00:13:15.142002Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7acdd4029759847ba059a64bdba758d045b7f6365cc3967a25d164f517e2c403

Aliases

arxiv: 1806.04941 · arxiv_version: 1806.04941v1 · doi: 10.48550/arxiv.1806.04941 · pith_short_12: PLG5IAUXLGCH · pith_short_16: PLG5IAUXLGCHXICZ · pith_short_8: PLG5IAUX

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/PLG5IAUXLGCHXICZUZF5XJ2Y2B \
  | 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: 7acdd4029759847ba059a64bdba758d045b7f6365cc3967a25d164f517e2c403

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b491f79085208e169785f32e29358ba1459abfc1c92f803ea1296b5d8480f083",
    "cross_cats_sorted": [
      "cs.LG",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.MS",
    "submitted_at": "2018-06-13T10:46:32Z",
    "title_canon_sha256": "43a625d346f4b8f7ad7660b8caee11e70d13e32c13f1d926d48477d5c44f92fd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.04941",
    "kind": "arxiv",
    "version": 1
  }
}