Pith Number

pith:ZRKB3PJR

pith:2019:ZRKB3PJRYHBHLIYBT57ZI6UJTY

not attested not anchored not stored refs pending

Improved Distributed Approximations for Maximum Independent Set

Aaron Schild, Gregory Schwartzman, Ken-ichi Kawarabayashi, Seri Khoury

arxiv:1906.11524 v2 · 2019-06-27 · cs.DC · 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{ZRKB3PJRYHBHLIYBT57ZI6UJTY}

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	2026-07-05T00:42:19.716118Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cc541dbd31c1c275a3019f7f947a899e20b4343e5ae490874f0a830c90909b07

Aliases

arxiv: 1906.11524 · arxiv_version: 1906.11524v2 · doi: 10.48550/arxiv.1906.11524 · pith_short_12: ZRKB3PJRYHBH · pith_short_16: ZRKB3PJRYHBHLIYB · pith_short_8: ZRKB3PJR

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/ZRKB3PJRYHBHLIYBT57ZI6UJTY \
  | 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: cc541dbd31c1c275a3019f7f947a899e20b4343e5ae490874f0a830c90909b07

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "49082f4a6c1c5a8c08205e051d47c3308900e05764d2c5020b06f683f5bf4264",
    "cross_cats_sorted": [
      "cs.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DC",
    "submitted_at": "2019-06-27T09:52:02Z",
    "title_canon_sha256": "3c0d61e9a4375d29e7dbfa7056ca51a8e839976bc621c34fe2c57c73be7e7e87"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.11524",
    "kind": "arxiv",
    "version": 2
  }
}