Pith Number

pith:23XRETZS

pith:2018:23XRETZSOTHFALYNH5O2CRPA7X

not attested not anchored not stored refs pending

Worst-Case Efficient Sorting with QuickMergesort

Armin Wei{\ss}, Stefan Edelkamp

arxiv:1811.00833 v1 · 2018-11-02 · 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{23XRETZSOTHFALYNH5O2CRPA7X}

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	2026-05-18T00:01:42.025229Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d6ef124f3274ce502f0d3f5da145e0fddae3c1e99b54f50c98bf4df140fcb91e

Aliases

arxiv: 1811.00833 · arxiv_version: 1811.00833v1 · doi: 10.48550/arxiv.1811.00833 · pith_short_12: 23XRETZSOTHF · pith_short_16: 23XRETZSOTHFALYN · pith_short_8: 23XRETZS

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/23XRETZSOTHFALYNH5O2CRPA7X \
  | 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: d6ef124f3274ce502f0d3f5da145e0fddae3c1e99b54f50c98bf4df140fcb91e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7f66280b77d5a78ed7120b3f983a589ff32f63cf672fa3d75fe42593833010d0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2018-11-02T12:18:23Z",
    "title_canon_sha256": "42f9b483dea4ac2f21ec1b1a8cddee0bca07b74251659d7f91f5e41026d6597d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.00833",
    "kind": "arxiv",
    "version": 1
  }
}