Pith Number

pith:EEFJF5RM

pith:2014:EEFJF5RMDBGDTE4GJZZ4H6RMYK

not attested not anchored not stored refs pending

Parameterized Algorithmics for Computational Social Choice: Nine Research Challenges

Gerhard J. Woeginger, Jiehua Chen, Jiong Guo, Piotr Faliszewski, Robert Bredereck, Rolf Niedermeier

arxiv:1407.2143 v1 · 2014-07-08 · cs.MA · cs.GT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EEFJF5RMDBGDTE4GJZZ4H6RMYK}

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	2026-05-18T02:48:08.313431Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

210a92f62c184c3993864e73c3fa2cc282004655dc4fcda28ff36af2cdd27dc7

Aliases

arxiv: 1407.2143 · arxiv_version: 1407.2143v1 · doi: 10.48550/arxiv.1407.2143 · pith_short_12: EEFJF5RMDBGD · pith_short_16: EEFJF5RMDBGDTE4G · pith_short_8: EEFJF5RM

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/EEFJF5RMDBGDTE4GJZZ4H6RMYK \
  | 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: 210a92f62c184c3993864e73c3fa2cc282004655dc4fcda28ff36af2cdd27dc7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "53c755f03dfa17abbea4b6d2eacb8c491aabc341dc6e0ef2410b2fa8392cb7b1",
    "cross_cats_sorted": [
      "cs.GT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.MA",
    "submitted_at": "2014-07-08T15:56:15Z",
    "title_canon_sha256": "8acae0b3fc6f7232a15ad0069d65d74b8c18ea4d6286a517932051f40d13f702"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.2143",
    "kind": "arxiv",
    "version": 1
  }
}