Pith Number

pith:H7MF3PNK

pith:2016:H7MF3PNKGTJ4AL52BY6PA5LOXW

not attested not anchored not stored refs pending

Local Search for Max-Sum Diversification

Alfonso Cevallos, Friedrich Eisenbrand, Rico Zenklusen

arxiv:1607.04557 v1 · 2016-07-15 · cs.DS · cs.CG · cs.DM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{H7MF3PNKGTJ4AL52BY6PA5LOXW}

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	2026-05-18T01:11:00.882509Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3fd85dbdaa34d3c02fba0e3cf0756ebda134d57cf96e58d70eb0ddd148055ba3

Aliases

arxiv: 1607.04557 · arxiv_version: 1607.04557v1 · doi: 10.48550/arxiv.1607.04557 · pith_short_12: H7MF3PNKGTJ4 · pith_short_16: H7MF3PNKGTJ4AL52 · pith_short_8: H7MF3PNK

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/H7MF3PNKGTJ4AL52BY6PA5LOXW \
  | 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: 3fd85dbdaa34d3c02fba0e3cf0756ebda134d57cf96e58d70eb0ddd148055ba3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0a8fff6519efd6559d5277f35539ef27003eff1e5a04bca7096fd7e65cc75779",
    "cross_cats_sorted": [
      "cs.CG",
      "cs.DM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2016-07-15T15:38:02Z",
    "title_canon_sha256": "e01e6b45272267ddff8ef44a3be96257819f95db1b08c6e767d6740077bdc0db"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1607.04557",
    "kind": "arxiv",
    "version": 1
  }
}