Pith Number

pith:YMLSXBDV

pith:2020:YMLSXBDVM3CBHBHUBX2A5CWWCZ

not attested not anchored not stored refs pending

A parameter-dependent smoother for the multigrid method

Christian L\"obbert, Lars Grasedyck, Maren Klever, Tim A. Werthmann

arxiv:2008.00927 v1 · 2020-08-03 · 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{YMLSXBDVM3CBHBHUBX2A5CWWCZ}

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

Multilevel Adaptive-Rank Methods for Linear and Nonlinear Systems in the Hierarchical Tucker Format

Receipt and verification

First computed	2026-07-05T01:24:12.415191Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c3172b847566c41384f40df40e8ad6164b03a040684ebf048a3b29a447a6a587

Aliases

arxiv: 2008.00927 · arxiv_version: 2008.00927v1 · doi: 10.48550/arxiv.2008.00927 · pith_short_12: YMLSXBDVM3CB · pith_short_16: YMLSXBDVM3CBHBHU · pith_short_8: YMLSXBDV

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/YMLSXBDVM3CBHBHUBX2A5CWWCZ \
  | 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: c3172b847566c41384f40df40e8ad6164b03a040684ebf048a3b29a447a6a587

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "15207fb995eb7e3e77fc1ca8cb86d5f815cd2d38dd9c27f201101eeb26085f95",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2020-08-03T15:03:17Z",
    "title_canon_sha256": "d5f63f6097dfcf06b47683f721775793f4e4822aa5ab470db346af9450c2c752"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2008.00927",
    "kind": "arxiv",
    "version": 1
  }
}