Pith Number

pith:YBSCJSNG

pith:2018:YBSCJSNGEDP3ZTECNYHDJSEKIY

not attested not anchored not stored refs pending

Quadratic Time Algorithms Appear to be Optimal for Sorting Evolving Data

David Eppstein, Juan Jose Besa, Michael Goodrich, Timothy Johnson, William E. Devanny

arxiv:1805.05443 v1 · 2018-05-14 · 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{YBSCJSNGEDP3ZTECNYHDJSEKIY}

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	2026-05-18T00:16:00.623487Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c06424c9a620dfbccc826e0e34c88a462e52a6c09199d914889eb3bd02b4c3c4

Aliases

arxiv: 1805.05443 · arxiv_version: 1805.05443v1 · doi: 10.48550/arxiv.1805.05443 · pith_short_12: YBSCJSNGEDP3 · pith_short_16: YBSCJSNGEDP3ZTEC · pith_short_8: YBSCJSNG

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/YBSCJSNGEDP3ZTECNYHDJSEKIY \
  | 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: c06424c9a620dfbccc826e0e34c88a462e52a6c09199d914889eb3bd02b4c3c4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4d8bc366f6d7ccca629184efed712e4288617c9a1090165e62b4e869a3209217",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2018-05-14T20:54:56Z",
    "title_canon_sha256": "8e513a35a1776203daac6455f2beb0375d74a39dd2abf0dbbcc5daa293427761"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.05443",
    "kind": "arxiv",
    "version": 1
  }
}