Pith Number

pith:EUQKQQPG

pith:2025:EUQKQQPGE3EZAEVCFVHV3E5KR2

not attested not anchored not stored refs pending

8 Years of Optimizing Apache Otava: How disconnected open source developers took an algorithm from n3 to constant time

Henrik Ingo

arxiv:2505.06758 v1 · 2025-05-10 · cs.PF

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EUQKQQPGE3EZAEVCFVHV3E5KR2}

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.

Cited by

1 paper in Pith

Exploring Statistical Change Point Detection Techniques for Performance Anomaly Detection at Mozilla

Receipt and verification

First computed	2026-07-05T11:01:15.280134Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2520a841e626c99012a22d4f5d93aa8e9afb20aaf7cbd2e9667893b404367645

Aliases

arxiv: 2505.06758 · arxiv_version: 2505.06758v1 · doi: 10.48550/arxiv.2505.06758 · pith_short_12: EUQKQQPGE3EZ · pith_short_16: EUQKQQPGE3EZAEVC · pith_short_8: EUQKQQPG

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/EUQKQQPGE3EZAEVCFVHV3E5KR2 \
  | 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: 2520a841e626c99012a22d4f5d93aa8e9afb20aaf7cbd2e9667893b404367645

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e7ce231a11e31b3d6ec70e31cb5fa285ffd54c41f285103201f35ef757ef134d",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.PF",
    "submitted_at": "2025-05-10T21:20:55Z",
    "title_canon_sha256": "836855a9194bc3e61b42a1ac4636c9d014afe15af15876ebe709fb600666cbe5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.06758",
    "kind": "arxiv",
    "version": 1
  }
}