Pith Number

pith:4GYRDQ54

pith:2018:4GYRDQ54QNZMFVJ3OGMNU775BM

not attested not anchored not stored refs pending

A Note on Degree vs Gap of Min-Rep Label Cover and Improved Inapproximability for Connectivity Problems

Pasin Manurangsi

arxiv:1807.00936 v1 · 2018-07-03 · cs.CC · 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{4GYRDQ54QNZMFVJ3OGMNU775BM}

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	2026-05-18T00:11:46.002654Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e1b111c3bc8372c2d53b7198da7ffd0b29f9bc2b43c9dca078f02449b7e2acfb

Aliases

arxiv: 1807.00936 · arxiv_version: 1807.00936v1 · doi: 10.48550/arxiv.1807.00936 · pith_short_12: 4GYRDQ54QNZM · pith_short_16: 4GYRDQ54QNZMFVJ3 · pith_short_8: 4GYRDQ54

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/4GYRDQ54QNZMFVJ3OGMNU775BM \
  | 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: e1b111c3bc8372c2d53b7198da7ffd0b29f9bc2b43c9dca078f02449b7e2acfb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bca2f50f2e933561681b1f149afa365ea721180c58cfb9dceec7ea7959c6f26d",
    "cross_cats_sorted": [
      "cs.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CC",
    "submitted_at": "2018-07-03T00:38:03Z",
    "title_canon_sha256": "32f3c551cdeb1d52a038ff157ead54fc452d62384a65c271228fd59bced7fea1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.00936",
    "kind": "arxiv",
    "version": 1
  }
}