Pith Number

pith:PB33PHHI

pith:2017:PB33PHHIIEK6JMGUGPW4RJCXKP

not attested not anchored not stored refs pending

Mathematical Programming formulations for the efficient solution of the $k$-sum approval voting problem

Andrea Scozzari, Diego Ponce, Federica Ricca, Justo Puerto

arxiv:1707.09225 v1 · 2017-07-28 · math.OC · 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{PB33PHHIIEK6JMGUGPW4RJCXKP}

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	2026-05-18T00:39:16.736004Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7877b79ce84115e4b0d433edc8a45753d5896b72da898c0ae24db09ebe73c514

Aliases

arxiv: 1707.09225 · arxiv_version: 1707.09225v1 · doi: 10.48550/arxiv.1707.09225 · pith_short_12: PB33PHHIIEK6 · pith_short_16: PB33PHHIIEK6JMGU · pith_short_8: PB33PHHI

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/PB33PHHIIEK6JMGUGPW4RJCXKP \
  | 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: 7877b79ce84115e4b0d433edc8a45753d5896b72da898c0ae24db09ebe73c514

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e36d00124b51b962f2e4497e7204d34c19192088390e8d87aee8c59ebef16fdd",
    "cross_cats_sorted": [
      "cs.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2017-07-28T13:34:23Z",
    "title_canon_sha256": "e61ffcb15219e4508a02d8bf0b5a6658cfb6b250b2c501a99e076e2869f59aba"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.09225",
    "kind": "arxiv",
    "version": 1
  }
}