Pith Number

pith:BIU5ISHR

pith:2015:BIU5ISHRPDZST4OUEXHFEG5ENV

not attested not anchored not stored refs pending

On the Complexity of Nondeterministically Testable Hypergraph Parameters

Marek Karpinski, Roland Mark\'o

arxiv:1503.07093 v1 · 2015-03-24 · cs.DS · math.CO · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BIU5ISHRPDZST4OUEXHFEG5ENV}

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	2026-05-18T02:20:29.411966Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0a29d448f178f329f1d425ce521ba46d451ad1f5754a6733ea37328cea1c214d

Aliases

arxiv: 1503.07093 · arxiv_version: 1503.07093v1 · doi: 10.48550/arxiv.1503.07093 · pith_short_12: BIU5ISHRPDZS · pith_short_16: BIU5ISHRPDZST4OU · pith_short_8: BIU5ISHR

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/BIU5ISHRPDZST4OUEXHFEG5ENV \
  | 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: 0a29d448f178f329f1d425ce521ba46d451ad1f5754a6733ea37328cea1c214d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "95b0d35c5329fd36a190dd7ac53186237264e519edf293c1cb730d75d202e686",
    "cross_cats_sorted": [
      "math.CO",
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2015-03-24T16:06:23Z",
    "title_canon_sha256": "f9451bcad7809eadf6c25d796b5cbbbf1857fd2d5777230f8c5d33a220af0698"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.07093",
    "kind": "arxiv",
    "version": 1
  }
}