Pith Number

pith:I6WD5G5G

pith:2012:I6WD5G5G37QGACVAGDZZXACE3A

not attested not anchored not stored refs pending

Constant Factor Lasserre Integrality Gaps for Graph Partitioning Problems

Ali Kemal Sinop, Venkatesan Guruswami, Yuan Zhou

arxiv:1202.6071 v3 · 2012-02-27 · cs.CC · cs.DM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{I6WD5G5G37QGACVAGDZZXACE3A}

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	2026-05-18T02:21:17.512839Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

47ac3e9ba6dfe0600aa030f39b8044d80de1640dee043a6de33d7ad091a71a21

Aliases

arxiv: 1202.6071 · arxiv_version: 1202.6071v3 · doi: 10.48550/arxiv.1202.6071 · pith_short_12: I6WD5G5G37QG · pith_short_16: I6WD5G5G37QGACVA · pith_short_8: I6WD5G5G

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/I6WD5G5G37QGACVAGDZZXACE3A \
  | 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: 47ac3e9ba6dfe0600aa030f39b8044d80de1640dee043a6de33d7ad091a71a21

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "757dc06db9535218e488339e070c91d89c72c09458774e7c0483b566257a902e",
    "cross_cats_sorted": [
      "cs.DM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CC",
    "submitted_at": "2012-02-27T21:14:14Z",
    "title_canon_sha256": "9c06c6ea4afd81c4dcdec410a4441c6a63637f25653002f5c737fd7cf4a7b0ca"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.6071",
    "kind": "arxiv",
    "version": 3
  }
}