Pith Number

pith:UO3UC7PU

pith:2017:UO3UC7PUC762LW6EMOTTA63HBW

not attested not anchored not stored refs pending

An Adaptive Genetic Algorithm for Solving N-Queens Problem

Sayan Nag, Uddalok Sarkar

arxiv:1802.02006 v1 · 2017-11-01 · 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{UO3UC7PUC762LW6EMOTTA63HBW}

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	2026-05-18T00:24:20.757302Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a3b7417df417fda5dbc463a7307b670d837fac989e3211020ac4c88b96e1b4b8

Aliases

arxiv: 1802.02006 · arxiv_version: 1802.02006v1 · doi: 10.48550/arxiv.1802.02006 · pith_short_12: UO3UC7PUC762 · pith_short_16: UO3UC7PUC762LW6E · pith_short_8: UO3UC7PU

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/UO3UC7PUC762LW6EMOTTA63HBW \
  | 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: a3b7417df417fda5dbc463a7307b670d837fac989e3211020ac4c88b96e1b4b8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "553b110a7841aa795c38a1a223f774cad8bd6b03b2041b84deb60e352d7d126b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NE",
    "submitted_at": "2017-11-01T20:46:27Z",
    "title_canon_sha256": "36a419ee2573c09ed7679893dbeb027af836e9fb8214803a428750c2271ea867"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.02006",
    "kind": "arxiv",
    "version": 1
  }
}