Pith Number

pith:IMZO2AOI

pith:2018:IMZO2AOIPSCL4PBNL2GHRNFGKL

not attested not anchored not stored refs pending

Reliability based-design optimization using the directional bat algorithm

Asma Chakri, Mohamed Benouaret, Rabia Khelif, Xin-She Yang

arxiv:1804.09250 v1 · 2018-04-22 · math.OC · cs.CE

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IMZO2AOIPSCL4PBNL2GHRNFGKL}

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	2026-05-18T00:17:32.389259Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4332ed01c87c84be3c2d5e8c78b4a652d8d8bdb17047f1d0c4bab2f3b7d48323

Aliases

arxiv: 1804.09250 · arxiv_version: 1804.09250v1 · doi: 10.48550/arxiv.1804.09250 · pith_short_12: IMZO2AOIPSCL · pith_short_16: IMZO2AOIPSCL4PBN · pith_short_8: IMZO2AOI

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/IMZO2AOIPSCL4PBNL2GHRNFGKL \
  | 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: 4332ed01c87c84be3c2d5e8c78b4a652d8d8bdb17047f1d0c4bab2f3b7d48323

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bea6a46d498d21325b2c9679a876690a4d13fbca900252dd32d0241d04812fd0",
    "cross_cats_sorted": [
      "cs.CE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2018-04-22T11:51:09Z",
    "title_canon_sha256": "ae1c102a3dac7f64ef064a0bcc1d06dd14c514e6b939823e00af94b4797500f3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.09250",
    "kind": "arxiv",
    "version": 1
  }
}