Pith Number

pith:H5FAPEJS

pith:2014:H5FAPEJSMTNO6NF42DXDJ2DQVL

not attested not anchored not stored refs pending

Maximum Quadratic Assignment Problem: Reduction from Maximum Label Cover and LP-based Approximation Algorithm

Konstantin Makarychev, Maxim Sviridenko, Rajsekar Manokaran

arxiv:1403.7721 v1 · 2014-03-30 · 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{H5FAPEJSMTNO6NF42DXDJ2DQVL}

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	2026-05-18T02:55:12.571455Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3f4a07913264daef34bcd0ee34e870aacdb3ed84b401af45ba9af44a11f7e1a8

Aliases

arxiv: 1403.7721 · arxiv_version: 1403.7721v1 · doi: 10.48550/arxiv.1403.7721 · pith_short_12: H5FAPEJSMTNO · pith_short_16: H5FAPEJSMTNO6NF4 · pith_short_8: H5FAPEJS

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/H5FAPEJSMTNO6NF42DXDJ2DQVL \
  | 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: 3f4a07913264daef34bcd0ee34e870aacdb3ed84b401af45ba9af44a11f7e1a8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "478e4af9f8632fa1b2d59721ddf22a7ae385cd7a588823e5eef3af15d087b5b2",
    "cross_cats_sorted": [
      "cs.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CC",
    "submitted_at": "2014-03-30T09:13:49Z",
    "title_canon_sha256": "c3778323d4f41eebb1bf7a36e0a9298f40a44241170af2358efa370c2a2350f8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1403.7721",
    "kind": "arxiv",
    "version": 1
  }
}