Pith Number

pith:BU3RZSVR

pith:2013:BU3RZSVRY4QWUQNJ2J3AWNLE2W

not attested not anchored not stored refs pending

Iterative MapReduce for Large Scale Machine Learning

Joshua Rosen, Markus Weimer, Michael J. Carey, Neoklis Polyzotis, Raghu Ramakrishnan, Tyson Condie, Vinayak Borkar, Yingyi Bu

arxiv:1303.3517 v1 · 2013-03-13 · cs.DC · cs.DB · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BU3RZSVRY4QWUQNJ2J3AWNLE2W}

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	2026-05-18T03:30:54.418619Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0d371ccab1c7216a41a9d2760b3564d59d7cd45f1f90059b49db2a0b824fb7a7

Aliases

arxiv: 1303.3517 · arxiv_version: 1303.3517v1 · doi: 10.48550/arxiv.1303.3517 · pith_short_12: BU3RZSVRY4QW · pith_short_16: BU3RZSVRY4QWUQNJ · pith_short_8: BU3RZSVR

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/BU3RZSVRY4QWUQNJ2J3AWNLE2W \
  | 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: 0d371ccab1c7216a41a9d2760b3564d59d7cd45f1f90059b49db2a0b824fb7a7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c3c78fb77e7852e80c6aec5a3a4395ce8c6d4851dba032a431c3f68baf1ea8c4",
    "cross_cats_sorted": [
      "cs.DB",
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DC",
    "submitted_at": "2013-03-13T04:24:12Z",
    "title_canon_sha256": "028c90f31173f9395d9baf4f48b83b70f544858d39158aaeaa2eaf723227a411"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.3517",
    "kind": "arxiv",
    "version": 1
  }
}