Pith Number

pith:J7UDH63B

pith:2017:J7UDH63B5F2ZT7LR5U3X57DHIK

not attested not anchored not stored refs pending

Typical Approximation Performance for Maximum Coverage Problem

Koji Hukushima, Satoshi Takabe, Takanori Maehara

arxiv:1706.08721 v2 · 2017-06-27 · cond-mat.dis-nn · cond-mat.stat-mech · 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{J7UDH63B5F2ZT7LR5U3X57DHIK}

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	2026-05-18T00:22:39.778786Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4fe833fb61e97599fd71ed377efc6742adf78e60ffeca949a2ef0c7ed738541c

Aliases

arxiv: 1706.08721 · arxiv_version: 1706.08721v2 · doi: 10.48550/arxiv.1706.08721 · pith_short_12: J7UDH63B5F2Z · pith_short_16: J7UDH63B5F2ZT7LR · pith_short_8: J7UDH63B

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/J7UDH63B5F2ZT7LR5U3X57DHIK \
  | 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: 4fe833fb61e97599fd71ed377efc6742adf78e60ffeca949a2ef0c7ed738541c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e8e58ef53886fc97aa42e20598283fd2fa6091e381c7723ba61acf68e8d79189",
    "cross_cats_sorted": [
      "cond-mat.stat-mech",
      "cs.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.dis-nn",
    "submitted_at": "2017-06-27T08:32:13Z",
    "title_canon_sha256": "56a469f7e3c181fc4a08dea5dc1c837af8deaa615a31e3403770820c4ff0aa9e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1706.08721",
    "kind": "arxiv",
    "version": 2
  }
}