Pith Number

pith:WOR7YMJE

pith:2017:WOR7YMJE3S7W7Y7TFPRY3PNKR6

not attested not anchored not stored refs pending

Subdomain Deflation Combined with Local AMG: a Case Study Using AMGCL Library

Denis Demidov, Riccardo Rossi

arxiv:1710.03940 v4 · 2017-10-11 · cs.DC · cs.MS · cs.NA · 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{WOR7YMJE3S7W7Y7TFPRY3PNKR6}

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	2026-06-04T19:11:04.790390Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b3a3fc3124dcbf6fe3f32be38dbdaa8fa6498c6601c46578a112a9f314e1bad9

Aliases

arxiv: 1710.03940 · arxiv_version: 1710.03940v4 · doi: 10.48550/arxiv.1710.03940 · pith_short_12: WOR7YMJE3S7W · pith_short_16: WOR7YMJE3S7W7Y7T · pith_short_8: WOR7YMJE

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/WOR7YMJE3S7W7Y7TFPRY3PNKR6 \
  | 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: b3a3fc3124dcbf6fe3f32be38dbdaa8fa6498c6601c46578a112a9f314e1bad9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "42dcbf5608aafaa6ad998379b87e82d33fc8118b19d168bac4defbf2aff11940",
    "cross_cats_sorted": [
      "cs.MS",
      "cs.NA",
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DC",
    "submitted_at": "2017-10-11T07:25:16Z",
    "title_canon_sha256": "3088414b346653a0d331eedf91196adb9b0f9f92e7f3f921e8bf7d8b0be0229c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1710.03940",
    "kind": "arxiv",
    "version": 4
  }
}