Pith Number

pith:GY64EC7F

pith:2018:GY64EC7FEETXGKUDNFGUMVE2NW

not attested not anchored not stored refs pending

Optimizing a Generalized Gini Index in Stable Marriage Problems: NP-Hardness, Approximation and a Polynomial Time Special Case

Hugo Gilbert, Olivier Spanjaard

arxiv:1809.08453 v1 · 2018-09-22 · cs.CC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GY64EC7FEETXGKUDNFGUMVE2NW}

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	2026-05-18T00:05:08.404990Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

363dc20be52127732a83694d46549a6db732ea97ee4b1194f03723574bccd5be

Aliases

arxiv: 1809.08453 · arxiv_version: 1809.08453v1 · doi: 10.48550/arxiv.1809.08453 · pith_short_12: GY64EC7FEETX · pith_short_16: GY64EC7FEETXGKUD · pith_short_8: GY64EC7F

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/GY64EC7FEETXGKUDNFGUMVE2NW \
  | 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: 363dc20be52127732a83694d46549a6db732ea97ee4b1194f03723574bccd5be

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6439d2115c29f871cda21009ca2d07cc143802cefd0cd472350e6a30bba81263",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CC",
    "submitted_at": "2018-09-22T16:39:08Z",
    "title_canon_sha256": "10853333f09587d719e1c90d270f1bb5dad8d6cccf832f96505430e2e8513762"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.08453",
    "kind": "arxiv",
    "version": 1
  }
}