Pith Number

pith:BXOBJZOU

pith:2018:BXOBJZOU2DLOK5ADUEKTIAUBGL

not attested not anchored not stored refs pending

numpywren: serverless linear algebra

Benjamin Recht, Eric Jonas, Ion Stoica, Jonathan Ragan-Kelley, Karl Krauth, Qifan Pu, Shivaram Venkataraman, Vaishaal Shankar

arxiv:1810.09679 v1 · 2018-10-23 · cs.DC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BXOBJZOU2DLOK5ADUEKTIAUBGL}

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

ServerMix: Tradeoffs and Challenges of Serverless Data Analytics

Receipt and verification

First computed	2026-05-18T00:02:29.772767Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0ddc14e5d4d0d6e57403a11534028132dd5fa58d5e529742b99444d2be68faf9

Aliases

arxiv: 1810.09679 · arxiv_version: 1810.09679v1 · doi: 10.48550/arxiv.1810.09679 · pith_short_12: BXOBJZOU2DLO · pith_short_16: BXOBJZOU2DLOK5AD · pith_short_8: BXOBJZOU

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/BXOBJZOU2DLOK5ADUEKTIAUBGL \
  | 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: 0ddc14e5d4d0d6e57403a11534028132dd5fa58d5e529742b99444d2be68faf9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4b1fab70c0a738cacca42fe84ca6a41b8a7e4d5fc48eee9de8bd89363a1cc3fd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DC",
    "submitted_at": "2018-10-23T06:32:10Z",
    "title_canon_sha256": "c61fc8dafc9c8e61556c64b15f96dcdfd6e6ae45e27327140696de4e62f55f40"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.09679",
    "kind": "arxiv",
    "version": 1
  }
}