Pith Number

pith:A44FS7Q2

pith:2014:A44FS7Q2PKOUY7H4AV5CZDLMYY

not attested not anchored not stored refs pending

A binary differential evolution algorithm learning from explored solutions

Weicheng Xie, Xiufen Zou, Yu Chen

arxiv:1401.1124 v2 · 2014-01-06 · 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{A44FS7Q2PKOUY7H4AV5CZDLMYY}

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	2026-05-18T02:52:06.220471Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0738597e1a7a9d4c7cfc057a2c8d6cc62dd789b68e841589f8eb114dacccb5eb

Aliases

arxiv: 1401.1124 · arxiv_version: 1401.1124v2 · doi: 10.48550/arxiv.1401.1124 · pith_short_12: A44FS7Q2PKOU · pith_short_16: A44FS7Q2PKOUY7H4 · pith_short_8: A44FS7Q2

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/A44FS7Q2PKOUY7H4AV5CZDLMYY \
  | 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: 0738597e1a7a9d4c7cfc057a2c8d6cc62dd789b68e841589f8eb114dacccb5eb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "46a2fdaf33bcad7f556c5d64145c71b076919e341bc4f9229c983e0930070fda",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NE",
    "submitted_at": "2014-01-06T15:54:16Z",
    "title_canon_sha256": "6bc451d44f4ca8e5bab0ff7dbddcdb2889ef498be7e2d1b48477dd1a8b578e24"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.1124",
    "kind": "arxiv",
    "version": 2
  }
}