Pith Number

pith:VXRXDKHR

pith:2016:VXRXDKHR4ULVJPECDCXO3PZQSF

not attested not anchored not stored refs pending

Difficulty Adjustable and Scalable Constrained Multi-objective Test Problem Toolkit

Caimin Wei, Erik D. Goodman, Hui Li, Kalyanmoy Deb, Qingfu Zhang, Wenji Li, Xinye Cai, Zhun Fan

arxiv:1612.07603 v3 · 2016-12-21 · cs.NE · cs.AI

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VXRXDKHR4ULVJPECDCXO3PZQSF}

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	2026-05-17T23:45:00.313268Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ade371a8f1e51754bc8218aeedbf309164b7bc1b9f1b9ce9968e80d7eba9377a

Aliases

arxiv: 1612.07603 · arxiv_version: 1612.07603v3 · doi: 10.48550/arxiv.1612.07603 · pith_short_12: VXRXDKHR4ULV · pith_short_16: VXRXDKHR4ULVJPEC · pith_short_8: VXRXDKHR

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/VXRXDKHR4ULVJPECDCXO3PZQSF \
  | 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: ade371a8f1e51754bc8218aeedbf309164b7bc1b9f1b9ce9968e80d7eba9377a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "88cf3011994f19894fc2d9aacbe481110945905501ee021c417d53d532d718fb",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NE",
    "submitted_at": "2016-12-21T14:36:29Z",
    "title_canon_sha256": "4217d397bf6049b89e08f0372aa3bdc4a1c9b9492dc340b3d3eea0e3850f959e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1612.07603",
    "kind": "arxiv",
    "version": 3
  }
}