Pith Number

pith:URDLA3C4

pith:2013:URDLA3C4JUL2VBCMRCWJFYV5WH

not attested not anchored not stored refs pending

Multiobjective Firefly Algorithm for Continuous Optimization

Xin-She Yang

arxiv:1303.6336 v1 · 2013-03-25 · 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{URDLA3C4JUL2VBCMRCWJFYV5WH}

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	2026-05-18T03:29:49.724325Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a446b06c5c4d17aa844c88ac92e2bdb1ce75fb22b1f910c8ce2cd0423bcb4253

Aliases

arxiv: 1303.6336 · arxiv_version: 1303.6336v1 · doi: 10.48550/arxiv.1303.6336 · pith_short_12: URDLA3C4JUL2 · pith_short_16: URDLA3C4JUL2VBCM · pith_short_8: URDLA3C4

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/URDLA3C4JUL2VBCMRCWJFYV5WH \
  | 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: a446b06c5c4d17aa844c88ac92e2bdb1ce75fb22b1f910c8ce2cd0423bcb4253

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9979d216be5e3caeed5aaf24b7b07e14e380081e2e6817d3e1ec48311ed8d060",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2013-03-25T22:25:36Z",
    "title_canon_sha256": "252b0153161d9f7f34256b7bcaabb9b05ebd37999c58a20ba83f072b8faf5081"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.6336",
    "kind": "arxiv",
    "version": 1
  }
}