Pith Number

pith:HKL3Y5WN

pith:2024:HKL3Y5WNHFRJMUYZ7YYJRJBHGR

not attested not anchored not stored refs pending

Efficient parallel inversion of ParaOpt preconditioners

Arne Bouillon, Corentin Bonte, Giovanni Samaey, Karl Meerbergen

arxiv:2412.02425 v1 · 2024-12-03 · math.NA · cs.NA · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HKL3Y5WNHFRJMUYZ7YYJRJBHGR}

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	2026-07-05T09:43:49.588521Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3a97bc76cd3962965319fe3098a4273446133075efcfaea6c2df27ee6c2a0795

Aliases

arxiv: 2412.02425 · arxiv_version: 2412.02425v1 · doi: 10.48550/arxiv.2412.02425 · pith_short_12: HKL3Y5WNHFRJ · pith_short_16: HKL3Y5WNHFRJMUYZ · pith_short_8: HKL3Y5WN

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/HKL3Y5WNHFRJMUYZ7YYJRJBHGR \
  | 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: 3a97bc76cd3962965319fe3098a4273446133075efcfaea6c2df27ee6c2a0795

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cc2a79f418089ffa1c4b6498fdcb13a756cb92c124f364e4bffb3ae9aae945de",
    "cross_cats_sorted": [
      "cs.NA",
      "math.OC"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2024-12-03T12:42:29Z",
    "title_canon_sha256": "4529a8a88d5314c1d360769e626ae8cce2e8e668cf79c1bf29c3ad1bc22cb536"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2412.02425",
    "kind": "arxiv",
    "version": 1
  }
}