Pith Number

pith:QCNBTP6N

pith:2016:QCNBTP6NRC4UR5XOI2KOIQCXXD

not attested not anchored not stored refs pending

LLMapReduce: Multi-Level Map-Reduce for High Performance Data Analysis

Albert Reuther, Andrew Prout, Antonio Rosa, Bill Bergeron, Chansup Byun, Charles Yee, David Bestor, Jeremy Kepner, Julie Mullen, Matthew Hubbell, Peter Michaleas, Vijay Gadepally, William Arcand

arxiv:1607.06543 v1 · 2016-07-22 · 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{QCNBTP6NRC4UR5XOI2KOIQCXXD}

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	2026-05-18T00:55:20.958504Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

809a19bfcd88b948f6ee4694e44057b8c01e8cb849f13917c627ee9ebba15391

Aliases

arxiv: 1607.06543 · arxiv_version: 1607.06543v1 · doi: 10.48550/arxiv.1607.06543 · pith_short_12: QCNBTP6NRC4U · pith_short_16: QCNBTP6NRC4UR5XO · pith_short_8: QCNBTP6N

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/QCNBTP6NRC4UR5XOI2KOIQCXXD \
  | 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: 809a19bfcd88b948f6ee4694e44057b8c01e8cb849f13917c627ee9ebba15391

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9d4e958592c5ddbc289f3d266dcf6169fa344019c425d530546f5375f00eb441",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DC",
    "submitted_at": "2016-07-22T02:45:53Z",
    "title_canon_sha256": "b5ff98d98505d3daba80354a32f2f48566ed3f91c298c5d826430c5cc13e4109"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1607.06543",
    "kind": "arxiv",
    "version": 1
  }
}