Pith Number

pith:MA3LP4EO

pith:2011:MA3LP4EO3PM5TXC2VBCDN3CBOS

not attested not anchored not stored refs pending

Hierarchies of Inefficient Kernelizability

Danny Hermelin, Karolina So{\l}tys, Magnus Wahlstr\"om, Stefan Kratsch, Xi Wu

arxiv:1110.0976 v1 · 2011-10-05 · cs.CC · cs.DS

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

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	2026-05-18T02:21:35.509375Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6036b7f08edbd9d9dc5aa84436ec4174b830e4a4876fb2082625d91a774e6cb7

Aliases

arxiv: 1110.0976 · arxiv_version: 1110.0976v1 · doi: 10.48550/arxiv.1110.0976 · pith_short_12: MA3LP4EO3PM5 · pith_short_16: MA3LP4EO3PM5TXC2 · pith_short_8: MA3LP4EO

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/MA3LP4EO3PM5TXC2VBCDN3CBOS \
  | 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: 6036b7f08edbd9d9dc5aa84436ec4174b830e4a4876fb2082625d91a774e6cb7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a8c8a62d6b344481f404e6d4f8d1d07ca88360bd20b838a992babf6113eef054",
    "cross_cats_sorted": [
      "cs.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CC",
    "submitted_at": "2011-10-05T13:14:58Z",
    "title_canon_sha256": "d656e1c909a97a0fa286e18d18d41c1479d45c38b9ed4a7d6bd53c5e0c7b216c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1110.0976",
    "kind": "arxiv",
    "version": 1
  }
}