Pith Number

pith:FDK4OQEH

pith:2012:FDK4OQEHHJTNQMW2NPVKWJX2MQ

not attested not anchored not stored refs pending

Super-Fast 3-Ruling Sets

Kishore Kothapalli, Sriram Pemmaraju

arxiv:1207.3099 v1 · 2012-07-12 · cs.DC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FDK4OQEHHJTNQMW2NPVKWJX2MQ}

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	2026-05-18T03:51:12.451436Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

28d5c740873a66d832da6beaab26fa643447412d0a17149f249372893dec8b72

Aliases

arxiv: 1207.3099 · arxiv_version: 1207.3099v1 · doi: 10.48550/arxiv.1207.3099 · pith_short_12: FDK4OQEHHJTN · pith_short_16: FDK4OQEHHJTNQMW2 · pith_short_8: FDK4OQEH

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/FDK4OQEHHJTNQMW2NPVKWJX2MQ \
  | 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: 28d5c740873a66d832da6beaab26fa643447412d0a17149f249372893dec8b72

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f75fbcdcec6523875dc305170830e3a067bf78b0ac556318dc6f96bd8e772dd5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DC",
    "submitted_at": "2012-07-12T21:02:17Z",
    "title_canon_sha256": "ba306dbe576dc4f2ba2aa378596e6c43799e181dd722eb3423dc9ad4b0d6b392"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.3099",
    "kind": "arxiv",
    "version": 1
  }
}