Pith Number

pith:SU4TZMB6

pith:2018:SU4TZMB6UTVLHDKTTVB7DB2EP3

not attested not anchored not stored refs pending

Diversity maximization in doubling metrics

Alfonso Cevallos, Friedrich Eisenbrand, Sarah Morell

arxiv:1809.09521 v1 · 2018-09-25 · 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{SU4TZMB6UTVLHDKTTVB7DB2EP3}

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	2026-05-18T00:04:50.909201Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

95393cb03ea4eab38d539d43f187447edcebf3ed0ab839cff795d429c41ad2d1

Aliases

arxiv: 1809.09521 · arxiv_version: 1809.09521v1 · doi: 10.48550/arxiv.1809.09521 · pith_short_12: SU4TZMB6UTVL · pith_short_16: SU4TZMB6UTVLHDKT · pith_short_8: SU4TZMB6

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/SU4TZMB6UTVLHDKTTVB7DB2EP3 \
  | 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: 95393cb03ea4eab38d539d43f187447edcebf3ed0ab839cff795d429c41ad2d1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d35d71bbed46748507395640229160195972806352b3299260ac85bd4434b6cd",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.DM",
    "submitted_at": "2018-09-25T14:46:05Z",
    "title_canon_sha256": "3135b4e7448a7164e0cf7321b3422062903fb9663ba40d1369cc8ee68a981987"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.09521",
    "kind": "arxiv",
    "version": 1
  }
}