Pith Number

pith:5IVJXEMV

pith:2020:5IVJXEMV6XNBJLH7WEO7KBKKFH

not attested not anchored not stored refs pending

Two-Grid Deflated Krylov Methods for Linear Equations

Ronald B. Morgan, Travis Whyte, Walter Wilcox, Zhao Yang

arxiv:2005.03070 v1 · 2020-05-06 · math.NA · cs.NA · hep-lat

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5IVJXEMV6XNBJLH7WEO7KBKKFH}

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.

Cited by

1 paper in Pith

Chiral rank-$k$ truncations for the multigrid preconditioner of Wilson fermions in lattice QCD

Receipt and verification

First computed	2026-07-05T01:01:04.778529Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ea2a9b9195f5da14acffb11df5054a29db172db81bf1fa2274fb9a997d3547f4

Aliases

arxiv: 2005.03070 · arxiv_version: 2005.03070v1 · doi: 10.48550/arxiv.2005.03070 · pith_short_12: 5IVJXEMV6XNB · pith_short_16: 5IVJXEMV6XNBJLH7 · pith_short_8: 5IVJXEMV

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/5IVJXEMV6XNBJLH7WEO7KBKKFH \
  | 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: ea2a9b9195f5da14acffb11df5054a29db172db81bf1fa2274fb9a997d3547f4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bcbc812aa40c5f5f55bcaf8879283d131145f7b017542526f9e12cd17a1be01a",
    "cross_cats_sorted": [
      "cs.NA",
      "hep-lat"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2020-05-06T18:42:56Z",
    "title_canon_sha256": "98e77e57680bf20b57688d7ae295c4fbf7b4f8721a04f94efb7add55181db9e1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2005.03070",
    "kind": "arxiv",
    "version": 1
  }
}