Pith Number

pith:LH5OK6QE

pith:2013:LH5OK6QEG2Z2F2LDYYIIHUWWNB

not attested not anchored not stored refs pending

Deflation and augmentation techniques in Krylov subspace methods for the solution of linear systems

Luc Giraud (INRIA Bordeaux - Sud-Ouest), Olivier Coulaud (INRIA Bordeaux - Sud-Ouest), Pierre Ramet (INRIA Bordeaux - Sud-Ouest), Xavier Vasseur (INRIA Bordeaux - Sud-Ouest)

arxiv:1303.5692 v1 · 2013-03-21 · math.NA

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\usepackage{pith}
\pithnumber{LH5OK6QEG2Z2F2LDYYIIHUWWNB}

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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.

Cited by

1 paper in Pith

Adaptive LSQR Preconditioning from One Small Sketch

Receipt and verification

First computed	2026-05-18T03:30:03.479351Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

59fae57a0436b3a2e963c61083d2d66874f585b68013a857891be536c13fbc69

Aliases

arxiv: 1303.5692 · arxiv_version: 1303.5692v1 · doi: 10.48550/arxiv.1303.5692 · pith_short_12: LH5OK6QEG2Z2 · pith_short_16: LH5OK6QEG2Z2F2LD · pith_short_8: LH5OK6QE

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/LH5OK6QEG2Z2F2LDYYIIHUWWNB \
  | 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: 59fae57a0436b3a2e963c61083d2d66874f585b68013a857891be536c13fbc69

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5a4646c81f4e32d0b3f8e17a36bae34569321dd18621fe6d58b7f872579b63a9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2013-03-21T15:36:52Z",
    "title_canon_sha256": "977ec32703857a13ce1af82e718d2659624a4e9b89bfd93691776d132089c149"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.5692",
    "kind": "arxiv",
    "version": 1
  }
}