Pith Number

pith:R2D3YFMW

pith:2024:R2D3YFMWZGXJNVQ3YVV6ABBVWN

not attested not anchored not stored refs pending

Almost Optimal Time Lower Bound for Approximating Parameterized Clique, CSP, and More, under ETH

Bingkai Lin, Kewen Wu, Venkatesan Guruswami, Xuandi Ren, Yican Sun

arxiv:2404.08870 v2 · 2024-04-13 · 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{R2D3YFMWZGXJNVQ3YVV6ABBVWN}

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.

Cited by

1 paper in Pith

Optimal FPT-Approximability for Modular Linear Equations

Receipt and verification

First computed	2026-07-05T08:30:32.903607Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8e87bc1596c9ae96d61bc56be00435b35f86210d96c6a0a6507b535d93b158f9

Aliases

arxiv: 2404.08870 · arxiv_version: 2404.08870v2 · doi: 10.48550/arxiv.2404.08870 · pith_short_12: R2D3YFMWZGXJ · pith_short_16: R2D3YFMWZGXJNVQ3 · pith_short_8: R2D3YFMW

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/R2D3YFMWZGXJNVQ3YVV6ABBVWN \
  | 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: 8e87bc1596c9ae96d61bc56be00435b35f86210d96c6a0a6507b535d93b158f9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0da50b6f1b8dd5e1be5ef88cceaa4e504b893eae5f5cc5e1adb78acda87461a1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CC",
    "submitted_at": "2024-04-13T01:45:44Z",
    "title_canon_sha256": "12294c1fb13cde66cfac091bc9cb77468bb92de3e86718cbf7d9384be6290689"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2404.08870",
    "kind": "arxiv",
    "version": 2
  }
}