Pith Number

pith:DO3HOBUE

pith:2018:DO3HOBUEHK42EKSROQFPKI2KWW

not attested not anchored not stored refs pending

Better Fixed-Arity Unbiased Black-Box Algorithms

Maxim Buzdalov, Nina Bulanova

arxiv:1804.05443 v2 · 2018-04-15 · 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{DO3HOBUEHK42EKSROQFPKI2KWW}

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	2026-05-18T00:11:05.393290Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1bb67706843ab9a22a51740af5234ab5b74eccb8d3e7576062406c61dacc64bf

Aliases

arxiv: 1804.05443 · arxiv_version: 1804.05443v2 · doi: 10.48550/arxiv.1804.05443 · pith_short_12: DO3HOBUEHK42 · pith_short_16: DO3HOBUEHK42EKSR · pith_short_8: DO3HOBUE

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/DO3HOBUEHK42EKSROQFPKI2KWW \
  | 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: 1bb67706843ab9a22a51740af5234ab5b74eccb8d3e7576062406c61dacc64bf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "686549edd76ecd2dd5bb969209ec24b7578fa82988c7742fa10e4b4466f1fb54",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NE",
    "submitted_at": "2018-04-15T22:40:42Z",
    "title_canon_sha256": "4265f52566a7c26317e4c8b548c693d3f4cd61c05f941e77d5139e1310ffd75b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.05443",
    "kind": "arxiv",
    "version": 2
  }
}