Pith Number

pith:Z7XWCDWO

pith:2019:Z7XWCDWODZ2JIJIECIRTZSCR3L

not attested not anchored not stored refs pending

A Benchmarking Study to Evaluate Apache Spark on Large-Scale Supercomputers

Cameron Christensen, Fran\c{c}ois Tessier, George K. Thiruvathukal, Venkatram Vishwanath, Xiaoyong Jin

arxiv:1904.11812 v2 · 2019-04-26 · cs.DC · cs.SE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Z7XWCDWODZ2JIJIECIRTZSCR3L}

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	2026-07-05T00:07:51.575979Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cfef610ece1e7494250412233cc851dac0763c92cd84aaf01ae4f94b6a98bf8b

Aliases

arxiv: 1904.11812 · arxiv_version: 1904.11812v2 · doi: 10.48550/arxiv.1904.11812 · pith_short_12: Z7XWCDWODZ2J · pith_short_16: Z7XWCDWODZ2JIJIE · pith_short_8: Z7XWCDWO

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/Z7XWCDWODZ2JIJIECIRTZSCR3L \
  | 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: cfef610ece1e7494250412233cc851dac0763c92cd84aaf01ae4f94b6a98bf8b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "062355659c1359f697bea511c5fd837ed82db21c8a27ffc2719af4b6985ecdec",
    "cross_cats_sorted": [
      "cs.SE"
    ],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "cs.DC",
    "submitted_at": "2019-04-26T12:52:02Z",
    "title_canon_sha256": "1d8b176defe683602fe37f72478ca40729d5e6c6307e9a9c843bb66d3efa07b5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.11812",
    "kind": "arxiv",
    "version": 2
  }
}