Pith Number

pith:BMBKL5E7

pith:2021:BMBKL5E7L24ECHEI62IKXVRS4B

not attested not anchored not stored refs pending

Exploring Opportunistic Meta-knowledge to Reduce Search Spaces for Automated Machine Learning

Bogdan Gabrys, David Jacob Kedziora, Katarzyna Musial, Tien-Dung Nguyen

arxiv:2105.00282 v1 · 2021-05-01 · 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{BMBKL5E7L24ECHEI62IKXVRS4B}

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	2026-07-05T02:36:36.271652Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0b02a5f49f5eb8411c88f690abd632e059a64fc8c83a596cefd39fcf5f19490f

Aliases

arxiv: 2105.00282 · arxiv_version: 2105.00282v1 · doi: 10.48550/arxiv.2105.00282 · pith_short_12: BMBKL5E7L24E · pith_short_16: BMBKL5E7L24ECHEI · pith_short_8: BMBKL5E7

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/BMBKL5E7L24ECHEI62IKXVRS4B \
  | 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: 0b02a5f49f5eb8411c88f690abd632e059a64fc8c83a596cefd39fcf5f19490f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7062af150899706bbd16dd10fc42402f21882f854a07af07069509d1cba55e06",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2021-05-01T15:25:30Z",
    "title_canon_sha256": "55cfc4994c5781b32742085d3065c685c6faf71549af20399a8aa0aa34f24389"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2105.00282",
    "kind": "arxiv",
    "version": 1
  }
}