Pith Number

pith:H6T7ANAV

pith:2018:H6T7ANAV3QHHLJDP2BCCVEAROZ

not attested not anchored not stored refs pending

Average Cost of QuickXsort with Pivot Sampling

Sebastian Wild

arxiv:1803.05948 v2 · 2018-03-15 · 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{H6T7ANAV3QHHLJDP2BCCVEAROZ}

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	2026-05-17T23:47:03.477006Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3fa7f03415dc0e75a46fd0442a90117653771d9f1e0094e78ccc0ae3b06d92b7

Aliases

arxiv: 1803.05948 · arxiv_version: 1803.05948v2 · doi: 10.48550/arxiv.1803.05948 · pith_short_12: H6T7ANAV3QHH · pith_short_16: H6T7ANAV3QHHLJDP · pith_short_8: H6T7ANAV

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/H6T7ANAV3QHHLJDP2BCCVEAROZ \
  | 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: 3fa7f03415dc0e75a46fd0442a90117653771d9f1e0094e78ccc0ae3b06d92b7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "edd8bd2242be31cd43432d7da973b75cc505f60d760a670bd760762ac327f04c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2018-03-15T18:58:15Z",
    "title_canon_sha256": "6b5f705a6dbf3d69e0cb15451d7bf872aad27c996e1872eb4663f7cc9c68d31d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.05948",
    "kind": "arxiv",
    "version": 2
  }
}