Pith Number

pith:C5PBQQCN

pith:2025:C5PBQQCNSRYXP5I3RBRVW4ECXW

not attested not anchored not stored refs pending

A Framework for the Design of Efficient Diversification Algorithms to NP-Hard Problems

Arturo Merino, Gibeom Park, Mayank Goswami, Meng-Tsung Tsai, Victor Verdugo, Waldo G\'alvez

arxiv:2501.12261 v4 · 2025-01-21 · cs.CG · cs.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{C5PBQQCNSRYXP5I3RBRVW4ECXW}

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	2026-07-05T11:19:02.836841Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

175e18404d947177f51b88635b7082bdb244fc99c510f43fc0400f4f6899ef02

Aliases

arxiv: 2501.12261 · arxiv_version: 2501.12261v4 · doi: 10.48550/arxiv.2501.12261 · pith_short_12: C5PBQQCNSRYX · pith_short_16: C5PBQQCNSRYXP5I3 · pith_short_8: C5PBQQCN

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/C5PBQQCNSRYXP5I3RBRVW4ECXW \
  | 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: 175e18404d947177f51b88635b7082bdb244fc99c510f43fc0400f4f6899ef02

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fcf40e655268bcce5e98959b7638dde3b41bde82afb57127927f1e042950359a",
    "cross_cats_sorted": [
      "cs.DS"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2025-01-21T16:32:08Z",
    "title_canon_sha256": "e4eb3103d147160ee30ae4df56eadb5dbc49e110a0fab490ef79098533ec3af1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2501.12261",
    "kind": "arxiv",
    "version": 4
  }
}