Pith Number

pith:YJ76FL2K

pith:2019:YJ76FL2KY6H2YJYVB5GBOBL3HL

not attested not anchored not stored refs pending

The 1/5-th Rule with Rollbacks: On Self-Adjustment of the Population Size in the $(1+(\lambda,\lambda))$ GA

Anton Bassin, Maxim Buzdalov

arxiv:1904.07284 v1 · 2019-04-15 · 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{YJ76FL2KY6H2YJYVB5GBOBL3HL}

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	2026-05-17T23:48:29.075554Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c27fe2af4ac78fac27150f4c17057b3adf15c8708c9938d7383d112934c5bf5d

Aliases

arxiv: 1904.07284 · arxiv_version: 1904.07284v1 · doi: 10.48550/arxiv.1904.07284 · pith_short_12: YJ76FL2KY6H2 · pith_short_16: YJ76FL2KY6H2YJYV · pith_short_8: YJ76FL2K

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/YJ76FL2KY6H2YJYVB5GBOBL3HL \
  | 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: c27fe2af4ac78fac27150f4c17057b3adf15c8708c9938d7383d112934c5bf5d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ed781ab71759de66928cc7bb564b60fc00db92834b2f5f98a40e062f7cf5a408",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NE",
    "submitted_at": "2019-04-15T18:40:52Z",
    "title_canon_sha256": "7eff96632d20be23938da2cba3143cab798dee8b48b0ad60228e7b12103f50ed"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.07284",
    "kind": "arxiv",
    "version": 1
  }
}