Pith Number

pith:OBYZ7FLY

pith:2019:OBYZ7FLYWVKZLKPIE6MGJUJFVL

not attested not anchored not stored refs pending

Impartial Selection with Additive Approximation Guarantees

George Christodoulou, Ioannis Caragiannis, Nicos Protopapas

arxiv:1910.00135 v3 · 2019-09-30 · 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{OBYZ7FLYWVKZLKPIE6MGJUJFVL}

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	2026-07-05T04:25:38.805224Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

70719f9578b55595a9e8279864d125aad96bf57da0af17e58edbb37176e604f5

Aliases

arxiv: 1910.00135 · arxiv_version: 1910.00135v3 · doi: 10.48550/arxiv.1910.00135 · pith_short_12: OBYZ7FLYWVKZ · pith_short_16: OBYZ7FLYWVKZLKPI · pith_short_8: OBYZ7FLY

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/OBYZ7FLYWVKZLKPIE6MGJUJFVL \
  | 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: 70719f9578b55595a9e8279864d125aad96bf57da0af17e58edbb37176e604f5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "94e07713c246ea4adbc766226fe0f99dc76a4c2b3de5f64344140074182717e2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.GT",
    "submitted_at": "2019-09-30T22:20:36Z",
    "title_canon_sha256": "55ea69afbea860144f64955f4949a2a73ace1ddb29a9ec7f531b4c2f7f4424c7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1910.00135",
    "kind": "arxiv",
    "version": 3
  }
}