Pith Number

pith:ZJ6AQPJW

pith:2012:ZJ6AQPJWFASVFLDIEIDF356TWV

not attested not anchored not stored refs pending

A Parallel Auxiliary Grid AMG Method for GPU

Jinchao Xu, Jonathan Cohen, Lu Wang, Xiaozhe Hu

arxiv:1209.5421 v2 · 2012-09-24 · 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{ZJ6AQPJWFASVFLDIEIDF356TWV}

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	2026-05-18T03:39:04.825136Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ca7c083d36282552ac6822065df7d3b56e9cffa5b0801cc646efcf938cb955a0

Aliases

arxiv: 1209.5421 · arxiv_version: 1209.5421v2 · doi: 10.48550/arxiv.1209.5421 · pith_short_12: ZJ6AQPJWFASV · pith_short_16: ZJ6AQPJWFASVFLDI · pith_short_8: ZJ6AQPJW

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/ZJ6AQPJWFASVFLDIEIDF356TWV \
  | 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: ca7c083d36282552ac6822065df7d3b56e9cffa5b0801cc646efcf938cb955a0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "feadc32f3d57962099742e39068ac972392674651c376c9031cc93bf2f740a04",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2012-09-24T20:58:10Z",
    "title_canon_sha256": "b4f1ea8f6c4b516570941f7280140af04297e0126908b74bca275eda711fcbe9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1209.5421",
    "kind": "arxiv",
    "version": 2
  }
}