Pith Number

pith:QF5LJME6

pith:2019:QF5LJME66GXFNOLYCS4WWFKLZH

not attested not anchored not stored refs pending

Faster and simpler algorithms for finding large patterns in permutations

L\'aszl\'o Kozma

arxiv:1902.08809 v2 · 2019-02-23 · cs.DS · math.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QF5LJME66GXFNOLYCS4WWFKLZH}

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	2026-05-17T23:48:30.350911Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

817ab4b09ef1ae56b97814b96b154bc9d125fb9bfb8f73381284663163fb1aee

Aliases

arxiv: 1902.08809 · arxiv_version: 1902.08809v2 · doi: 10.48550/arxiv.1902.08809 · pith_short_12: QF5LJME66GXF · pith_short_16: QF5LJME66GXFNOLY · pith_short_8: QF5LJME6

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/QF5LJME66GXFNOLYCS4WWFKLZH \
  | 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: 817ab4b09ef1ae56b97814b96b154bc9d125fb9bfb8f73381284663163fb1aee

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d6c27b4a4d3fa1bc48c11eeddd1a8e68682ba84c758600d8ecce90a57501cc7e",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2019-02-23T16:24:20Z",
    "title_canon_sha256": "2182b617de4a6ed2f51edcb3cf3419cb691295d190489087f7aa62a3dc021956"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.08809",
    "kind": "arxiv",
    "version": 2
  }
}