Pith Number

pith:SE37SQI7

pith:2012:SE37SQI7WYV3F4SFX5P2CMGGIK

not attested not anchored not stored refs pending

QuickHeapsort: Modifications and improved analysis

Armin Weiss, Volker Diekert

arxiv:1209.4214 v2 · 2012-09-19 · 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{SE37SQI7WYV3F4SFX5P2CMGGIK}

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	2026-05-18T03:18:49.831857Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9137f9411fb62bb2f245bf5fa130c642b620e77e3356837454a321be753bc6ea

Aliases

arxiv: 1209.4214 · arxiv_version: 1209.4214v2 · doi: 10.48550/arxiv.1209.4214 · pith_short_12: SE37SQI7WYV3 · pith_short_16: SE37SQI7WYV3F4SF · pith_short_8: SE37SQI7

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/SE37SQI7WYV3F4SFX5P2CMGGIK \
  | 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: 9137f9411fb62bb2f245bf5fa130c642b620e77e3356837454a321be753bc6ea

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e4692725b5fe92a52edef4a7c4e24ce45605377cb808a8637285c5e413a4d280",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2012-09-19T11:54:17Z",
    "title_canon_sha256": "d294077fc5fd32630eff068e00bfc26c4c891bedb3f24da07c7f6bcefdf8b39e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1209.4214",
    "kind": "arxiv",
    "version": 2
  }
}