Pith Number

pith:WGO6CXWC

pith:2017:WGO6CXWCVB3MZSJVCV44QM4Y5S

not attested not anchored not stored refs pending

Convergence estimates for multigrid algorithms with SSC smoothers and applications to overlapping domain decomposition

Eugenio Aulisa, Giacomo Capodaglio, Giorgio Bornia, Sara Calandrini

arxiv:1709.09628 v1 · 2017-09-27 · math.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{WGO6CXWCVB3MZSJVCV44QM4Y5S}

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	2026-05-18T00:16:36.771630Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b19de15ec2a876ccc9351579c83398ecbb1dfb60aae9cfcae226249149c88916

Aliases

arxiv: 1709.09628 · arxiv_version: 1709.09628v1 · doi: 10.48550/arxiv.1709.09628 · pith_short_12: WGO6CXWCVB3M · pith_short_16: WGO6CXWCVB3MZSJV · pith_short_8: WGO6CXWC

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/WGO6CXWCVB3MZSJVCV44QM4Y5S \
  | 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: b19de15ec2a876ccc9351579c83398ecbb1dfb60aae9cfcae226249149c88916

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e477b337b4bc7fcd5291fef840b8cebfff5b214c52855ff8032580399330eeba",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2017-09-27T17:06:31Z",
    "title_canon_sha256": "6f308a3b663017c1ef77d908a6ab813fc2f38a8624e61036b540222a23403b11"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.09628",
    "kind": "arxiv",
    "version": 1
  }
}