Pith Number

pith:JTYUBOOZ

pith:2026:JTYUBOOZAXXL6CSDYECZASLREH

not attested not anchored not stored refs pending

Quasi-optimal complexity of iterative Galerkin methods driven by an elliptic reconstruction error estimator

Christoph Lietz, Dirk Praetorius, Gregor Gantner, Maximilian Brunner

arxiv:2605.20057 v1 · 2026-05-19 · 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{JTYUBOOZAXXL6CSDYECZASLREH}

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	2026-05-20T02:06:00.483240Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4cf140b9d905eebf0a43c10590497121fc465ece9b47b01ad23f708dea78e7ef

Aliases

arxiv: 2605.20057 · arxiv_version: 2605.20057v1 · doi: 10.48550/arxiv.2605.20057 · pith_short_12: JTYUBOOZAXXL · pith_short_16: JTYUBOOZAXXL6CSD · pith_short_8: JTYUBOOZ

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/JTYUBOOZAXXL6CSDYECZASLREH \
  | 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: 4cf140b9d905eebf0a43c10590497121fc465ece9b47b01ad23f708dea78e7ef

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "12acbe4886d267800522c01f89c07263124eae1b5f39d7b07e59def4792b07bd",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2026-05-19T16:15:13Z",
    "title_canon_sha256": "c64ed6818db05bac359dead65cafcd423c2d781c214cedd399b983791c40c40a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.20057",
    "kind": "arxiv",
    "version": 1
  }
}