Pith Number

pith:MJ53SV6V

pith:2021:MJ53SV6VECMLDTJWEC7BVW6PTF

not attested not anchored not stored refs pending

Exploration Enhancement of Nature-Inspired Swarm-based Optimization Algorithms

Enzio Hai Hong Kam, Kwok Pui Choi, Tze Leung Lai, Weng Kee Wong, Xin T. Tong

arxiv:2103.11113 v1 · 2021-03-20 · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MJ53SV6VECMLDTJWEC7BVW6PTF}

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	2026-07-05T02:24:57.030142Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

627bb957d52098b1cd3620be1adbcf997e7a2109a1768e5ea9ebd104f0e27d23

Aliases

arxiv: 2103.11113 · arxiv_version: 2103.11113v1 · doi: 10.48550/arxiv.2103.11113 · pith_short_12: MJ53SV6VECML · pith_short_16: MJ53SV6VECMLDTJW · pith_short_8: MJ53SV6V

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/MJ53SV6VECMLDTJWEC7BVW6PTF \
  | 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: 627bb957d52098b1cd3620be1adbcf997e7a2109a1768e5ea9ebd104f0e27d23

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8cf376818490743ea9c8ca5b2b878b78ba9f55e2e5161d423fc1295d801d1fb6",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2021-03-20T06:32:51Z",
    "title_canon_sha256": "6e5bf70c3592232d84bef720f5696e0067a7b20ba22c10cb1bb5f05808645afe"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2103.11113",
    "kind": "arxiv",
    "version": 1
  }
}