Pith Number

pith:3ZXU3W6D

pith:2014:3ZXU3W6DGKK2DGQ74WH6PYCREK

not attested not anchored not stored refs pending

Kernelization lower bound for Permutation Pattern Matching

Ivan Bliznets, Lukas Mach, Marek Cygan, Pawel Komosa

arxiv:1406.1158 v2 · 2014-06-04 · cs.DS · cs.CC

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	2026-05-18T02:29:38.925774Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

de6f4ddbc33295a19a1fe58fe7e05122a980caa0f026b48c7f139a529a362763

Aliases

arxiv: 1406.1158 · arxiv_version: 1406.1158v2 · doi: 10.48550/arxiv.1406.1158 · pith_short_12: 3ZXU3W6DGKK2 · pith_short_16: 3ZXU3W6DGKK2DGQ7 · pith_short_8: 3ZXU3W6D

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/3ZXU3W6DGKK2DGQ74WH6PYCREK \
  | 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: de6f4ddbc33295a19a1fe58fe7e05122a980caa0f026b48c7f139a529a362763

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a56fbbf85f16165b7b31d14748fd980afbddb9fc1c46d9c00131fd3940297494",
    "cross_cats_sorted": [
      "cs.CC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2014-06-04T19:32:04Z",
    "title_canon_sha256": "c872c01829ecb2cb3a63bc89e76fdc010a9337d765fb0da3d96bea82aa6d0dba"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1406.1158",
    "kind": "arxiv",
    "version": 2
  }
}