Pith Number

pith:ZWBOKMOA

pith:2013:ZWBOKMOATVGZYH4J7UHASZFWMN

not attested not anchored not stored refs pending

A Greedy Algorithm for Optimally Pipelining a Reduction

Bradley R. Lowery, Julien Langou

arxiv:1310.4645 v1 · 2013-10-17 · 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{ZWBOKMOATVGZYH4J7UHASZFWMN}

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	2026-05-18T03:10:13.474106Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cd82e531c09d4d9c1f89fd0e0964b6634a8dc37b7a3d320ca4b242ee0487b92d

Aliases

arxiv: 1310.4645 · arxiv_version: 1310.4645v1 · doi: 10.48550/arxiv.1310.4645 · pith_short_12: ZWBOKMOATVGZ · pith_short_16: ZWBOKMOATVGZYH4J · pith_short_8: ZWBOKMOA

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/ZWBOKMOATVGZYH4J7UHASZFWMN \
  | 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: cd82e531c09d4d9c1f89fd0e0964b6634a8dc37b7a3d320ca4b242ee0487b92d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6ca80946e6724d51de3e25acd568da02839fd99bff86419e87e47ee46ce4a276",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DC",
    "submitted_at": "2013-10-17T10:12:25Z",
    "title_canon_sha256": "cfb67b70c8cff0aa1dc2e4e27af500703dbcc57f44d2cb4f7c2519e9dbed70d7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1310.4645",
    "kind": "arxiv",
    "version": 1
  }
}