Pith Number

pith:4O66NNMI

pith:2019:4O66NNMIC3LO6PSO3YVMFAF4EG

not attested not anchored not stored refs pending

Nearly optimal edge estimation with independent set queries

Amit Levi, Erik Waingarten, Xi Chen

arxiv:1907.04381 v1 · 2019-07-09 · 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{4O66NNMIC3LO6PSO3YVMFAF4EG}

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	2026-05-17T23:41:01.922451Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e3bde6b58816d6ef3e4ede2ac280bc21ae5a8a21b072f6fe0cc8dae68a952173

Aliases

arxiv: 1907.04381 · arxiv_version: 1907.04381v1 · doi: 10.48550/arxiv.1907.04381 · pith_short_12: 4O66NNMIC3LO · pith_short_16: 4O66NNMIC3LO6PSO · pith_short_8: 4O66NNMI

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/4O66NNMIC3LO6PSO3YVMFAF4EG \
  | 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: e3bde6b58816d6ef3e4ede2ac280bc21ae5a8a21b072f6fe0cc8dae68a952173

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c4b9eadfa6aa70dd4b3e5e6483aad7ab46d85bf1d56dc4967c9bbd802c5e03ae",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2019-07-09T19:48:24Z",
    "title_canon_sha256": "627f987037ca67d38be56774e6c3ae6fe4cd6f55f62690b07fbe5327d9587d22"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.04381",
    "kind": "arxiv",
    "version": 1
  }
}