Pith Number

pith:26G73IDL

pith:2008:26G73IDLDL3ETX3Q2BG75XAHRT

not attested not anchored not stored refs pending

A Bit-Compatible Shared Memory Parallelization for ILU(k) Preconditioning and a Bit-Compatible Generalization to Distributed Memory

Gene Cooperman, Xin Dong

arxiv:0803.0048 v4 · 2008-03-01 · 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{26G73IDLDL3ETX3Q2BG75XAHRT}

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	2026-05-18T04:22:11.651952Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d78dfda06b1af649df70d04dfedc078cd3518c7ab221e1335f8f0e9c5690fd21

Aliases

arxiv: 0803.0048 · arxiv_version: 0803.0048v4 · doi: 10.48550/arxiv.0803.0048 · pith_short_12: 26G73IDLDL3E · pith_short_16: 26G73IDLDL3ETX3Q · pith_short_8: 26G73IDL

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/26G73IDLDL3ETX3Q2BG75XAHRT \
  | 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: d78dfda06b1af649df70d04dfedc078cd3518c7ab221e1335f8f0e9c5690fd21

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f3ded2c7731e9e183825ceefba596b35fc6e4cdbb4249e31b2dedfc97f26d33b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DC",
    "submitted_at": "2008-03-01T07:21:27Z",
    "title_canon_sha256": "b30cfee0b44d5d1521626873b37447943bacf507d3c2b25370984a15567c2dfa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0803.0048",
    "kind": "arxiv",
    "version": 4
  }
}