Pith Number

pith:YVS4C5YN

pith:2024:YVS4C5YNWGLVACD6P6LYW5O3L6

not attested not anchored not stored refs pending

Integrating Additive Multigrid with Multipreconditioned Conjugate Gradient Method

Hardik Kothari, Marco Favino, Maria Giuseppina Chiara Nestola, Rolf Krause

arxiv:2402.12833 v2 · 2024-02-20 · math.NA · cs.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YVS4C5YNWGLVACD6P6LYW5O3L6}

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	2026-07-05T10:20:10.729354Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c565c1770db19750087e7f978b75db5faf57d4a2ed7f0b610b57de542ff64168

Aliases

arxiv: 2402.12833 · arxiv_version: 2402.12833v2 · doi: 10.48550/arxiv.2402.12833 · pith_short_12: YVS4C5YNWGLV · pith_short_16: YVS4C5YNWGLVACD6 · pith_short_8: YVS4C5YN

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/YVS4C5YNWGLVACD6P6LYW5O3L6 \
  | 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: c565c1770db19750087e7f978b75db5faf57d4a2ed7f0b610b57de542ff64168

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a42bc62bd96f776060994dc63c58705677540d3a3a4f8592d13641028b382846",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2024-02-20T08:58:39Z",
    "title_canon_sha256": "162f39a760b19f9701319833c1e227aba4c308e577aad89124cdebdd3c6888c2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2402.12833",
    "kind": "arxiv",
    "version": 2
  }
}