Pith Number

pith:BR2P4T6M

pith:2018:BR2P4T6MMKR4ZK32BAVAQ5GMJY

not attested not anchored not stored refs pending

Improved Runtime Bounds for the Univariate Marginal Distribution Algorithm via Anti-Concentration

Per Kristian Lehre, Phan Trung Hai Nguyen

arxiv:1802.00721 v1 · 2018-02-02 · 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{BR2P4T6MMKR4ZK32BAVAQ5GMJY}

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	2026-05-18T00:24:32.486911Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0c74fe4fcc62a3ccab7a082a0874cc4e06923b797ec5cd92abacfb8f98fbb5c9

Aliases

arxiv: 1802.00721 · arxiv_version: 1802.00721v1 · doi: 10.48550/arxiv.1802.00721 · pith_short_12: BR2P4T6MMKR4 · pith_short_16: BR2P4T6MMKR4ZK32 · pith_short_8: BR2P4T6M

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/BR2P4T6MMKR4ZK32BAVAQ5GMJY \
  | 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: 0c74fe4fcc62a3ccab7a082a0874cc4e06923b797ec5cd92abacfb8f98fbb5c9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "31252ea70b47b60dce6fd1437d02fc3101135231d5687ea8f8d6012b8b0eb684",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NE",
    "submitted_at": "2018-02-02T15:11:33Z",
    "title_canon_sha256": "aeec5d6d98e5ca84c28ed45fe96310d0ce670d9fca91c54bcecbc32627716ec7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.00721",
    "kind": "arxiv",
    "version": 1
  }
}