Pith Number

pith:ZHNVZCOG

pith:2015:ZHNVZCOG3XJOMPPVKCEBVGOB6W

not attested not anchored not stored refs pending

Speeding Up Distributed Machine Learning Using Codes

Dimitris Papailiopoulos, Kangwook Lee, Kannan Ramchandran, Maximilian Lam, Ramtin Pedarsani

arxiv:1512.02673 v3 · 2015-12-08 · cs.DC · cs.IT · cs.LG · cs.PF · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZHNVZCOG3XJOMPPVKCEBVGOB6W}

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	2026-05-18T00:25:02.397152Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c9db5c89c6ddd2e63df550881a99c1f5b5f0675a695b46ae819dc90b34f31937

Aliases

arxiv: 1512.02673 · arxiv_version: 1512.02673v3 · doi: 10.48550/arxiv.1512.02673 · pith_short_12: ZHNVZCOG3XJO · pith_short_16: ZHNVZCOG3XJOMPPV · pith_short_8: ZHNVZCOG

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/ZHNVZCOG3XJOMPPVKCEBVGOB6W \
  | 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: c9db5c89c6ddd2e63df550881a99c1f5b5f0675a695b46ae819dc90b34f31937

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b550252b0a82530529f2579e05e559a7acc8aef8be724b958574567cef99743a",
    "cross_cats_sorted": [
      "cs.IT",
      "cs.LG",
      "cs.PF",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DC",
    "submitted_at": "2015-12-08T21:54:04Z",
    "title_canon_sha256": "d3ebfe8a5edf915289c86d6e93678ca5b870375d54de17448ee2b8d7fa31f5d0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.02673",
    "kind": "arxiv",
    "version": 3
  }
}