Pith Number

pith:ETFEY6QO

pith:2022:ETFEY6QOCVIHZ26DBXTRGWIMBP

not attested not anchored not stored refs pending

Analysis of Quality Diversity Algorithms for the Knapsack Problem

Adel Nikfarjam, Anh Viet Do, Frank Neumann

arxiv:2207.14037 v1 · 2022-07-28 · 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{ETFEY6QOCVIHZ26DBXTRGWIMBP}

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	2026-07-05T04:44:23.789171Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

24ca4c7a0e15507cebc30de713590c0bf26d77e90676226a4d42970fac4f94a5

Aliases

arxiv: 2207.14037 · arxiv_version: 2207.14037v1 · doi: 10.48550/arxiv.2207.14037 · pith_short_12: ETFEY6QOCVIH · pith_short_16: ETFEY6QOCVIHZ26D · pith_short_8: ETFEY6QO

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/ETFEY6QOCVIHZ26DBXTRGWIMBP \
  | 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: 24ca4c7a0e15507cebc30de713590c0bf26d77e90676226a4d42970fac4f94a5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c5055d5b719bf80099bcb857709447024177676767197517a316f0f7b3d33f4d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NE",
    "submitted_at": "2022-07-28T12:15:33Z",
    "title_canon_sha256": "bed16a90484ce3280daeff6d2cd6d70191453774c0a9be7e4211651d7414b4e0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2207.14037",
    "kind": "arxiv",
    "version": 1
  }
}