Pith Number

pith:7K5ALTQD

pith:2013:7K5ALTQDYGP7FVDOPN6WBANF2X

not attested not anchored not stored refs pending

A comprehensive review of firefly algorithms

Iztok Fister, Iztok Fister Jr., Janez Brest, Xin-She Yang

arxiv:1312.6609 v1 · 2013-12-23 · 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{7K5ALTQDYGP7FVDOPN6WBANF2X}

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	2026-05-18T03:03:57.434064Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

faba05ce03c19ff2d46e7b7d6081a5d5c7a429da3e8ae66cd0276b318a65ec61

Aliases

arxiv: 1312.6609 · arxiv_version: 1312.6609v1 · doi: 10.48550/arxiv.1312.6609 · pith_short_12: 7K5ALTQDYGP7 · pith_short_16: 7K5ALTQDYGP7FVDO · pith_short_8: 7K5ALTQD

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/7K5ALTQDYGP7FVDOPN6WBANF2X \
  | 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: faba05ce03c19ff2d46e7b7d6081a5d5c7a429da3e8ae66cd0276b318a65ec61

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "100ff90952e17ae183df6ce65e3a1d37906330ad84dc6d4ed14f7468684d826a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NE",
    "submitted_at": "2013-12-23T17:16:46Z",
    "title_canon_sha256": "738d2aa24739d32fb87b7de20948b9731a09c5a7c80f2e22a6b227e6a56fbc33"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.6609",
    "kind": "arxiv",
    "version": 1
  }
}