Pith Number

pith:OS54NSUZ

pith:2016:OS54NSUZD6CBUW4RNQLUAY6VXP

not attested not anchored not stored refs pending

A Bandwidth-saving Optimization for MPI Broadcast Collective Operation

Christoph Niethammer, Huan Zhou, Jos\'e Gracia, Vladimir Marjanovic

arxiv:1603.06809 v1 · 2016-03-22 · 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{OS54NSUZD6CBUW4RNQLUAY6VXP}

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	2026-05-18T01:18:34.651361Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

74bbc6ca991f841a5b916c174063d5bbdba5b0838c203c2e9282a77c2db88e90

Aliases

arxiv: 1603.06809 · arxiv_version: 1603.06809v1 · doi: 10.48550/arxiv.1603.06809 · pith_short_12: OS54NSUZD6CB · pith_short_16: OS54NSUZD6CBUW4R · pith_short_8: OS54NSUZ

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/OS54NSUZD6CBUW4RNQLUAY6VXP \
  | 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: 74bbc6ca991f841a5b916c174063d5bbdba5b0838c203c2e9282a77c2db88e90

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "25e6b40a25c80273afca5c3e0cc473bd9152eeee8f07fd101cfcee48c4e26840",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DC",
    "submitted_at": "2016-03-22T14:41:28Z",
    "title_canon_sha256": "51f8501ce7650f3c03db86131ae66355ba06493f2cd11a18e0adc038f6e50090"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1603.06809",
    "kind": "arxiv",
    "version": 1
  }
}