Pith Number

pith:HCKZITE7

pith:2022:HCKZITE7QRN2JB273RIKASU3G7

not attested not anchored not stored refs pending

A fully algebraic and robust two-level Schwarz method based on optimal local approximation spaces

Alexander Heinlein, Kathrin Smetana

arxiv:2207.05559 v1 · 2022-07-12 · math.NA · cs.DC · 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{HCKZITE7QRN2JB273RIKASU3G7}

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	2026-07-05T04:39:44.022174Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3895944c9f845ba4875fdc50a04a9b37f1ff1cbcc83f3d9c715962e5d058e4ac

Aliases

arxiv: 2207.05559 · arxiv_version: 2207.05559v1 · doi: 10.48550/arxiv.2207.05559 · pith_short_12: HCKZITE7QRN2 · pith_short_16: HCKZITE7QRN2JB27 · pith_short_8: HCKZITE7

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/HCKZITE7QRN2JB273RIKASU3G7 \
  | 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: 3895944c9f845ba4875fdc50a04a9b37f1ff1cbcc83f3d9c715962e5d058e4ac

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f150ca4d43d64d852c4c2944cfd23be5242e237e645b2942eaad5a56f7934e8f",
    "cross_cats_sorted": [
      "cs.DC",
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2022-07-12T14:29:47Z",
    "title_canon_sha256": "00ea65118755cc62dfa7eda745b6812f5ef6617ccadda85e03f7e70c794a447f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2207.05559",
    "kind": "arxiv",
    "version": 1
  }
}