Pith Number

pith:BFGXVPWB

pith:2015:BFGXVPWBRYHLLIM3CAPINJ3UNI

not attested not anchored not stored refs pending

Why Is Dual-Pivot Quicksort Fast?

Sebastian Wild

arxiv:1511.01138 v2 · 2015-11-03 · 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{BFGXVPWBRYHLLIM3CAPINJ3UNI}

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	2026-05-18T01:03:44.294259Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

094d7abec18e0eb5a19b101e86a7746a2585d8f1a6711a88fdc7c2f6037ea98a

Aliases

arxiv: 1511.01138 · arxiv_version: 1511.01138v2 · doi: 10.48550/arxiv.1511.01138 · pith_short_12: BFGXVPWBRYHL · pith_short_16: BFGXVPWBRYHLLIM3 · pith_short_8: BFGXVPWB

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/BFGXVPWBRYHLLIM3CAPINJ3UNI \
  | 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: 094d7abec18e0eb5a19b101e86a7746a2585d8f1a6711a88fdc7c2f6037ea98a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "66b98d5335dd27cd9dc7c593989b6bcf85c532a381960ff05cf32fdc3f9fcfe0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2015-11-03T22:13:47Z",
    "title_canon_sha256": "2b244fd7624ae9acaf72cc438481e4f57e1a24d831d0008d256be680a20f6afe"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1511.01138",
    "kind": "arxiv",
    "version": 2
  }
}