Pith Number

pith:OCEOBL52

pith:2023:OCEOBL52U6QLIPRLPK7D5DSQ2H

not attested not anchored not stored refs pending

A Simple and Efficient Parallel Laplacian Solver

Sushant Sachdeva, Yibin Zhao

arxiv:2304.14345 v1 · 2023-04-27 · cs.DS

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OCEOBL52U6QLIPRLPK7D5DSQ2H}

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	2026-07-05T06:05:03.362280Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7088e0afbaa7a0b43e2b7abe3e8e50d1ca29a47450412a9debb6bf4caa25ffa8

Aliases

arxiv: 2304.14345 · arxiv_version: 2304.14345v1 · doi: 10.48550/arxiv.2304.14345 · pith_short_12: OCEOBL52U6QL · pith_short_16: OCEOBL52U6QLIPRL · pith_short_8: OCEOBL52

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/OCEOBL52U6QLIPRLPK7D5DSQ2H \
  | 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: 7088e0afbaa7a0b43e2b7abe3e8e50d1ca29a47450412a9debb6bf4caa25ffa8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b1521cf8bb21e34c28820656d7f283818bf089925ed289b4a84667be0404044f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2023-04-27T17:20:11Z",
    "title_canon_sha256": "3308dda6d6a10cfe75d89730dcf313f663620c210dd1c9229d3078dab238d0dc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2304.14345",
    "kind": "arxiv",
    "version": 1
  }
}