Pith Number

pith:VKMLHZO3

pith:2021:VKMLHZO3K3TJAD3WC4LLXOE7BE

not attested not anchored not stored refs pending

GRAPHOPT: constrained-optimization-based parallelization of irregular graphs

Marian Verhelst, Nimish Shah, Wannes Meert

arxiv:2105.01976 v2 · 2021-05-05 · 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{VKMLHZO3K3TJAD3WC4LLXOE7BE}

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	2026-07-05T03:57:26.525459Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

aa98b3e5db56e6900f761716bbb89f090e61fc47cbb679eb8743dd074e3839de

Aliases

arxiv: 2105.01976 · arxiv_version: 2105.01976v2 · doi: 10.48550/arxiv.2105.01976 · pith_short_12: VKMLHZO3K3TJ · pith_short_16: VKMLHZO3K3TJAD3W · pith_short_8: VKMLHZO3

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/VKMLHZO3K3TJAD3WC4LLXOE7BE \
  | 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: aa98b3e5db56e6900f761716bbb89f090e61fc47cbb679eb8743dd074e3839de

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "81b679a9cf22a9b4d66bfbfb3b3eedc9e1e0dee909e6527a82864b7a0b15a5be",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.DC",
    "submitted_at": "2021-05-05T11:01:27Z",
    "title_canon_sha256": "95c7d01d5e47ca197eae94e96a1cd7da6eace499a1a142a3179d002673e56e46"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2105.01976",
    "kind": "arxiv",
    "version": 2
  }
}