Pith Number

pith:PPEIZUBL

pith:2015:PPEIZUBLEIIDT3C2O7Y7ZVRQHS

not attested not anchored not stored refs pending

Meta-Kernelization using Well-Structured Modulators

Eduard Eiben, Robert Ganian, Stefan Szeider

arxiv:1507.05544 v1 · 2015-07-20 · 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{PPEIZUBLEIIDT3C2O7Y7ZVRQHS}

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	2026-05-18T01:36:36.536271Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7bc88cd02b221039ec5a77f1fcd6303ca77d50b7bbd6df70405f55931863abba

Aliases

arxiv: 1507.05544 · arxiv_version: 1507.05544v1 · doi: 10.48550/arxiv.1507.05544 · pith_short_12: PPEIZUBLEIID · pith_short_16: PPEIZUBLEIIDT3C2 · pith_short_8: PPEIZUBL

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/PPEIZUBLEIIDT3C2O7Y7ZVRQHS \
  | 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: 7bc88cd02b221039ec5a77f1fcd6303ca77d50b7bbd6df70405f55931863abba

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b405df0e9986fd91ad55eb0787f9418115d7d71e572c47b85f4119578e99ad4e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2015-07-20T16:04:14Z",
    "title_canon_sha256": "174d8f6ca6fbf5ece5ea801bddc1cd2e8ea44be3c543d8b3b9644e1cd4756da3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.05544",
    "kind": "arxiv",
    "version": 1
  }
}