Pith Number

pith:DTUMB23A

pith:2018:DTUMB23AFDZ4JHFSE6RIMECTKW

not attested not anchored not stored refs pending

A Revised and Verified Proof of the Scalable Commutativity Rule

Eddie Kohler, Lillian Tsai, M. Frans Kaashoek, Nickolai Zeldovich

arxiv:1809.09550 v1 · 2018-09-23 · cs.DC · cs.LO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DTUMB23AFDZ4JHFSE6RIMECTKW}

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	2026-05-18T00:04:50.818162Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1ce8c0eb6028f3c49cb227a28610535583bf954921bc8a5f6765f1f22363270f

Aliases

arxiv: 1809.09550 · arxiv_version: 1809.09550v1 · doi: 10.48550/arxiv.1809.09550 · pith_short_12: DTUMB23AFDZ4 · pith_short_16: DTUMB23AFDZ4JHFS · pith_short_8: DTUMB23A

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/DTUMB23AFDZ4JHFSE6RIMECTKW \
  | 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: 1ce8c0eb6028f3c49cb227a28610535583bf954921bc8a5f6765f1f22363270f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "309bdefef7b9468c29e39d0b9ec55d7c9b9642055ca3042bdd8959343b83b3c8",
    "cross_cats_sorted": [
      "cs.LO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DC",
    "submitted_at": "2018-09-23T11:52:39Z",
    "title_canon_sha256": "c0d14d328f8f7cb0183764f7a344c3d07803b99a71916a50c6fd7a843a82aa4b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.09550",
    "kind": "arxiv",
    "version": 1
  }
}