Pith Number

pith:DNLDKAXB

pith:2021:DNLDKAXBR6NFX3POUA2LRRBI7G

not attested not anchored not stored refs pending

Convergence of parallel overlapping domain decomposition methods for the Helmholtz equation

David Lafontaine, Euan A. Spence, Ivan G. Graham, Martin J. Gander, Shihua Gong

arxiv:2106.05218 v3 · 2021-06-09 · math.NA · cs.NA

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Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DNLDKAXBR6NFX3POUA2LRRBI7G}

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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	2026-07-05T04:54:45.468699Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1b563502e18f9a5bedeea034b8c428f9bdfe22c28a745873dfab2366a7afab8b

Aliases

arxiv: 2106.05218 · arxiv_version: 2106.05218v3 · doi: 10.48550/arxiv.2106.05218 · pith_short_12: DNLDKAXBR6NF · pith_short_16: DNLDKAXBR6NFX3PO · pith_short_8: DNLDKAXB

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/DNLDKAXBR6NFX3POUA2LRRBI7G \
  | 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: 1b563502e18f9a5bedeea034b8c428f9bdfe22c28a745873dfab2366a7afab8b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "07690f2d67c06671fff49475d1f5ad5e4e2346de66a5564c928df5574d1942b1",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2021-06-09T17:08:15Z",
    "title_canon_sha256": "d5f1f4dea9e261c99df65f11a62f101004a426c21fd00741e35d38403eef3b9c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2106.05218",
    "kind": "arxiv",
    "version": 3
  }
}