Pith Number

pith:OQ4LMZHJ

pith:2024:OQ4LMZHJJ7MLO4VTHDRZCMZXHQ

not attested not anchored not stored refs pending

Overlapping Schwarz Preconditioners for Randomized Neural Networks with Domain Decomposition

Alexander Heinlein, Fei Wang, Siddhartha Mishra, Yong Shang

arxiv:2412.19207 v1 · 2024-12-26 · 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{OQ4LMZHJJ7MLO4VTHDRZCMZXHQ}

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	2026-07-05T09:54:32.340485Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7438b664e94fd8b772b338e39133373c3012912933e2958c7cd08b53e448cf92

Aliases

arxiv: 2412.19207 · arxiv_version: 2412.19207v1 · doi: 10.48550/arxiv.2412.19207 · pith_short_12: OQ4LMZHJJ7ML · pith_short_16: OQ4LMZHJJ7MLO4VT · pith_short_8: OQ4LMZHJ

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/OQ4LMZHJJ7MLO4VTHDRZCMZXHQ \
  | 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: 7438b664e94fd8b772b338e39133373c3012912933e2958c7cd08b53e448cf92

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "635bebcfdbab55d32b5e7a489e1febbddeb688ad98a8dc41f745c2eff0b8825d",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2024-12-26T13:08:58Z",
    "title_canon_sha256": "679f00ff6cb1d392aa678ba4507b421b3cfa160e174fe3de5b17d652ac783f12"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2412.19207",
    "kind": "arxiv",
    "version": 1
  }
}