Pith Number

pith:RPHEUZIK

pith:2018:RPHEUZIK4GUS5SAC3YAVEIENVY

not attested not anchored not stored refs pending

A Distributed-Memory Algorithm for Computing a Heavy-Weight Perfect Matching on Bipartite Graphs

Ariful Azad, Ayd{\i}n Buluc, Johannes Langguth, Xiaoye S. Li, Xinliang Wang

arxiv:1801.09809 v2 · 2018-01-30 · 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{RPHEUZIK4GUS5SAC3YAVEIENVY}

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	2026-07-05T01:32:54.920562Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8bce4a650ae1a92ec802de0152208dae16aeeac5a0441884ff1dc089d42b5b51

Aliases

arxiv: 1801.09809 · arxiv_version: 1801.09809v2 · doi: 10.48550/arxiv.1801.09809 · pith_short_12: RPHEUZIK4GUS · pith_short_16: RPHEUZIK4GUS5SAC · pith_short_8: RPHEUZIK

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/RPHEUZIK4GUS5SAC3YAVEIENVY \
  | 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: 8bce4a650ae1a92ec802de0152208dae16aeeac5a0441884ff1dc089d42b5b51

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5bb697ead6c51f7441bf94b63b6e57107e93d72e7f91b92f166a3e289c03f8c5",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.DC",
    "submitted_at": "2018-01-30T00:18:06Z",
    "title_canon_sha256": "2b46b963fe9c5d12b6dfd79721ab792560e9ca427876a628a75740ce11549d0d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.09809",
    "kind": "arxiv",
    "version": 2
  }
}