Pith Number

pith:P53BAKLZ

pith:2018:P53BAKLZLFZ6NS42WSKIFONLUR

not attested not anchored not stored refs pending

Approximating Max-Cut under Graph-MSO Constraints

Jon Lee, Martin Kouteck\'y, Viswanath Nagarajan, Xiangkun Shen

arxiv:1803.05718 v2 · 2018-03-15 · 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{P53BAKLZLFZ6NS42WSKIFONLUR}

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	2026-05-18T00:02:53.279220Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7f761029795973e6cb9ab49482b9aba448d87369afcefde5f4837580860563f9

Aliases

arxiv: 1803.05718 · arxiv_version: 1803.05718v2 · doi: 10.48550/arxiv.1803.05718 · pith_short_12: P53BAKLZLFZ6 · pith_short_16: P53BAKLZLFZ6NS42 · pith_short_8: P53BAKLZ

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/P53BAKLZLFZ6NS42WSKIFONLUR \
  | 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: 7f761029795973e6cb9ab49482b9aba448d87369afcefde5f4837580860563f9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3cd04e0933fe82f526969e2c366e2173c0f7e63a62b64a940d9c728684e3f8c7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CC",
    "submitted_at": "2018-03-15T13:07:07Z",
    "title_canon_sha256": "099b2fb7f33be3dcc7582d646d4eb68b49ad2af28f385793694c6ae735a58f75"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.05718",
    "kind": "arxiv",
    "version": 2
  }
}