Pith Number

pith:BJIWBWPG

pith:2020:BJIWBWPGLUSQZGTB4WCFC6CMLT

not attested not anchored not stored refs pending

A General Coreset-Based Approach to Diversity Maximization under Matroid Constraints

Andrea Pietracaprina, Geppino Pucci, Matteo Ceccarello

arxiv:2002.03175 v1 · 2020-02-08 · cs.DC · 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{BJIWBWPGLUSQZGTB4WCFC6CMLT}

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	2026-07-05T00:39:19.886779Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0a5160d9e65d250c9a61e58451784c5ced57a53942df8ae7aaa8628ebea7f302

Aliases

arxiv: 2002.03175 · arxiv_version: 2002.03175v1 · doi: 10.48550/arxiv.2002.03175 · pith_short_12: BJIWBWPGLUSQ · pith_short_16: BJIWBWPGLUSQZGTB · pith_short_8: BJIWBWPG

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/BJIWBWPGLUSQZGTB4WCFC6CMLT \
  | 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: 0a5160d9e65d250c9a61e58451784c5ced57a53942df8ae7aaa8628ebea7f302

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "46caea7697d95761496e5838e784f1675c6e9a4b0d855f6f3d2abfb86c730044",
    "cross_cats_sorted": [
      "cs.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DC",
    "submitted_at": "2020-02-08T14:46:40Z",
    "title_canon_sha256": "45569fd71f6729c07042c0f0780f3636969208f8415a1791dcf2e9b9b8a628c2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2002.03175",
    "kind": "arxiv",
    "version": 1
  }
}