Pith Number

pith:GH2KP4EH

pith:2015:GH2KP4EHJKSM4W7O6P3RCFIXOK

not attested not anchored not stored refs pending

Analysis of Solution Quality of a Multiobjective Optimization-based Evolutionary Algorithm for Knapsack Problem

Jun He, Yong Wang, Yuren Zhou

arxiv:1502.03699 v1 · 2015-02-12 · 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{GH2KP4EHJKSM4W7O6P3RCFIXOK}

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	2026-05-18T02:27:17.004127Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

31f4a7f0874aa4ce5beef3f711151772b9c46a7146347bec15a94b129f6cfb5f

Aliases

arxiv: 1502.03699 · arxiv_version: 1502.03699v1 · doi: 10.48550/arxiv.1502.03699 · pith_short_12: GH2KP4EHJKSM · pith_short_16: GH2KP4EHJKSM4W7O · pith_short_8: GH2KP4EH

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/GH2KP4EHJKSM4W7O6P3RCFIXOK \
  | 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: 31f4a7f0874aa4ce5beef3f711151772b9c46a7146347bec15a94b129f6cfb5f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "08513ce2e4aa631e72d567f16d625cf0580b0d16a5fc47bc1710ace6e587c46d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NE",
    "submitted_at": "2015-02-12T15:24:19Z",
    "title_canon_sha256": "54f5e20b8cf9c6dea2626d5239e4d9bd7a13addc2caae8c28834cff605766986"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.03699",
    "kind": "arxiv",
    "version": 1
  }
}