Pith Number

pith:3TLLEEF6

pith:2023:3TLLEEF64TNZJBXN5KULQYZE6R

not attested not anchored not stored refs pending

Parameterized Lower Bounds for Problems in P via Fine-Grained Cross-Compositions

Andr\'e Nichterlein, Klaus Heeger, Rolf Niedermeier

arxiv:2301.00797 v2 · 2023-01-02 · 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{3TLLEEF64TNZJBXN5KULQYZE6R}

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	2026-07-05T05:31:04.612716Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dcd6b210bee4db9486edeaa8b86324f44409b3e1752f3ccf94ac9f64a983efa6

Aliases

arxiv: 2301.00797 · arxiv_version: 2301.00797v2 · doi: 10.48550/arxiv.2301.00797 · pith_short_12: 3TLLEEF64TNZ · pith_short_16: 3TLLEEF64TNZJBXN · pith_short_8: 3TLLEEF6

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/3TLLEEF64TNZJBXN5KULQYZE6R \
  | 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: dcd6b210bee4db9486edeaa8b86324f44409b3e1752f3ccf94ac9f64a983efa6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8325c5959d86b9c150ef5488aa76c69fc094496f30d9a3d4248d6e9c16e65c9b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2023-01-02T18:42:20Z",
    "title_canon_sha256": "cdfae7328af0e6efd645925248a92497a25803f7835e8f1781b442e69119dba2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2301.00797",
    "kind": "arxiv",
    "version": 2
  }
}