Pith Number

pith:DTEFFM4Q

pith:2009:DTEFFM4QAYPAWS5ILADOJREGKI

not attested not anchored not stored refs pending

Performance of algebraic multigrid methods for non-symmetric matrices arising in particle methods

Benjamin Seibold

arxiv:0905.3005 v2 · 2009-05-18 · 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{DTEFFM4QAYPAWS5ILADOJREGKI}

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	2026-06-03T23:06:26.339142Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1cc852b390061e0b4ba85806e4c48652322e624855b2dfb4bccf58f8c1892b7d

Aliases

arxiv: 0905.3005 · arxiv_version: 0905.3005v2 · doi: 10.48550/arxiv.0905.3005 · pith_short_12: DTEFFM4QAYPA · pith_short_16: DTEFFM4QAYPAWS5I · pith_short_8: DTEFFM4Q

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/DTEFFM4QAYPAWS5ILADOJREGKI \
  | 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: 1cc852b390061e0b4ba85806e4c48652322e624855b2dfb4bccf58f8c1892b7d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3030696babb403d61af5bf99372a081649913168ed0e089dc8466710bf4b3910",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2009-05-18T23:13:40Z",
    "title_canon_sha256": "bc5d65d878d33e547aae244572c78fa2159a22d3c36b0b33cdf87f58f15e6fac"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0905.3005",
    "kind": "arxiv",
    "version": 2
  }
}