Pith Number

pith:QTGGATCC

pith:2018:QTGGATCCXQHG7P6QL5XMZQGMEH

not attested not anchored not stored refs pending

Cuckoo Search: State-of-the-Art and Opportunities

Suash Deb, Xin-She Yang

arxiv:1806.01631 v1 · 2018-04-22 · cs.NE · 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{QTGGATCCXQHG7P6QL5XMZQGMEH}

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	2026-05-18T00:14:12.209560Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

84cc604c42bc0e6fbfd05f6eccc0cc21faeddaba3e289eb095cf823797e73cd5

Aliases

arxiv: 1806.01631 · arxiv_version: 1806.01631v1 · doi: 10.48550/arxiv.1806.01631 · pith_short_12: QTGGATCCXQHG · pith_short_16: QTGGATCCXQHG7P6Q · pith_short_8: QTGGATCC

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/QTGGATCCXQHG7P6QL5XMZQGMEH \
  | 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: 84cc604c42bc0e6fbfd05f6eccc0cc21faeddaba3e289eb095cf823797e73cd5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5bc2fbf4d2ce03fa37465360cd558dc70c13855a819ff6eec24631aca73ede47",
    "cross_cats_sorted": [
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NE",
    "submitted_at": "2018-04-22T10:27:54Z",
    "title_canon_sha256": "60e583dd6133e92e4b15724703fb40c4435495c382cfef1a6111d6c221de9217"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.01631",
    "kind": "arxiv",
    "version": 1
  }
}