Pith Number

pith:PUPHWIKM

pith:2025:PUPHWIKM5GDJOPNKYYSETOSWN5

not attested not anchored not stored refs pending

More Efforts Towards Fixed-Parameter Approximability of Multiwinner Rules

Anannya Upasana, Pallavi Jain, Saket Saurabh, Souvik Saha, Sushmita Gupta

arxiv:2505.12699 v2 · 2025-05-19 · cs.GT · 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{PUPHWIKM5GDJOPNKYYSETOSWN5}

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	2026-07-05T11:39:11.573175Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7d1e7b214ce986973daac62449ba566f7dbb909f37be2e6cf4ec0a16d2cbcbdb

Aliases

arxiv: 2505.12699 · arxiv_version: 2505.12699v2 · doi: 10.48550/arxiv.2505.12699 · pith_short_12: PUPHWIKM5GDJ · pith_short_16: PUPHWIKM5GDJOPNK · pith_short_8: PUPHWIKM

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/PUPHWIKM5GDJOPNKYYSETOSWN5 \
  | 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: 7d1e7b214ce986973daac62449ba566f7dbb909f37be2e6cf4ec0a16d2cbcbdb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2d0e1a64820cf35b29e5b9247e30a9271f56d6df7130555b75891239a9894a19",
    "cross_cats_sorted": [
      "cs.DS"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.GT",
    "submitted_at": "2025-05-19T04:41:47Z",
    "title_canon_sha256": "71e8cf4f1e3a7d0834177cff024a705c954e33ad45b6700a9f059b36d1bfb52d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.12699",
    "kind": "arxiv",
    "version": 2
  }
}