Pith Number

pith:XL3F4DJE

pith:2020:XL3F4DJEZ7WX2O2WMUNLA6DSFE

not attested not anchored not stored refs pending

The Hessian Estimation Evolution Strategy

Oswin Krause, Tobias Glasmachers

arxiv:2003.13256 v2 · 2020-03-30 · cs.LG · cs.NE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XL3F4DJEZ7WX2O2WMUNLA6DSFE}

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	2026-07-05T01:09:04.985983Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

baf65e0d24cfed7d3b56651ab0787229321552c92150241d432b2947782cfc43

Aliases

arxiv: 2003.13256 · arxiv_version: 2003.13256v2 · doi: 10.48550/arxiv.2003.13256 · pith_short_12: XL3F4DJEZ7WX · pith_short_16: XL3F4DJEZ7WX2O2W · pith_short_8: XL3F4DJE

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/XL3F4DJEZ7WX2O2WMUNLA6DSFE \
  | 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: baf65e0d24cfed7d3b56651ab0787229321552c92150241d432b2947782cfc43

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "56d8ef2c7989ce77e425451ae67d80dfd7e129a3258b90467cff71d071a129f6",
    "cross_cats_sorted": [
      "cs.NE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2020-03-30T08:01:16Z",
    "title_canon_sha256": "afbd5b2b6d00e15bd040775430e3f0ab397664091fa926e8de58799f58a6a371"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2003.13256",
    "kind": "arxiv",
    "version": 2
  }
}