Pith Number

pith:6WHRBN4R

pith:2018:6WHRBN4RDKZCM7HIT4JYEWN3KF

not attested not anchored not stored refs pending

Found Graph Data and Planted Vertex Covers

Austin R. Benson, Jon Kleinberg

arxiv:1805.01209 v1 · 2018-05-03 · cs.SI · cs.DM · cs.DS · physics.soc-ph · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6WHRBN4RDKZCM7HIT4JYEWN3KF}

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	2026-05-18T00:16:52.191166Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f58f10b7911ab2267ce89f138259bb516ccf4f080aed9945a6e0bce71e660850

Aliases

arxiv: 1805.01209 · arxiv_version: 1805.01209v1 · doi: 10.48550/arxiv.1805.01209 · pith_short_12: 6WHRBN4RDKZC · pith_short_16: 6WHRBN4RDKZCM7HI · pith_short_8: 6WHRBN4R

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/6WHRBN4RDKZCM7HIT4JYEWN3KF \
  | 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: f58f10b7911ab2267ce89f138259bb516ccf4f080aed9945a6e0bce71e660850

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2919615449c34b0ed5de8a9fff03184f673210b67c38cb0ac962e10ea76ee1d7",
    "cross_cats_sorted": [
      "cs.DM",
      "cs.DS",
      "physics.soc-ph",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SI",
    "submitted_at": "2018-05-03T10:24:36Z",
    "title_canon_sha256": "726b124f542b6c27380e8c61df5b4376b90227c85788d2f8d23970189bff5ec9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.01209",
    "kind": "arxiv",
    "version": 1
  }
}