Pith Number

pith:S55C2BWY

pith:2012:S55C2BWYEBAO7DPXIXWGWJ3GF3

not attested not anchored not stored refs pending

Approximation Algorithms for Semi-random Graph Partitioning Problems

Aravindan Vijayaraghavan, Konstantin Makarychev, Yury Makarychev

arxiv:1205.2234 v1 · 2012-05-10 · cs.DS · cs.CC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{S55C2BWYEBAO7DPXIXWGWJ3GF3}

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	2026-05-18T02:21:10.460717Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

977a2d06d82040ef8df745ec6b27662ef827505b7c42f8430c6f9f45b43ea570

Aliases

arxiv: 1205.2234 · arxiv_version: 1205.2234v1 · doi: 10.48550/arxiv.1205.2234 · pith_short_12: S55C2BWYEBAO · pith_short_16: S55C2BWYEBAO7DPX · pith_short_8: S55C2BWY

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/S55C2BWYEBAO7DPXIXWGWJ3GF3 \
  | 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: 977a2d06d82040ef8df745ec6b27662ef827505b7c42f8430c6f9f45b43ea570

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2a622c20b80dca28a9d1bad4d7b1c338aead9de2739508dd54b140c39484129f",
    "cross_cats_sorted": [
      "cs.CC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2012-05-10T11:22:24Z",
    "title_canon_sha256": "7a8037b988e56cffaf85a798b08a9bfc297acb2be1e4d2689b45290665c7510e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.2234",
    "kind": "arxiv",
    "version": 1
  }
}