Pith Number

pith:SAWD7CNG

pith:2024:SAWD7CNGEO42YBZOQ2P2JAZRRZ

not attested not anchored not stored refs pending

On Edge Multiscale Space based Hybrid Schwarz Preconditioner for Helmholtz Problems with Large Wavenumbers

Guanglian Li, Shihua Gong, Shubin Fu, Yueqi Wang

arxiv:2408.08198 v1 · 2024-08-15 · 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{SAWD7CNGEO42YBZOQ2P2JAZRRZ}

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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

Spectral coarse spaces based on indefinite operators: the $H_k$-GenEO method

Receipt and verification

First computed	2026-07-05T08:55:45.808563Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

902c3f89a623b9ac072e869fa483318e63b74ac4ce3c18a0b77dcc5cc88f8829

Aliases

arxiv: 2408.08198 · arxiv_version: 2408.08198v1 · doi: 10.48550/arxiv.2408.08198 · pith_short_12: SAWD7CNGEO42 · pith_short_16: SAWD7CNGEO42YBZO · pith_short_8: SAWD7CNG

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/SAWD7CNGEO42YBZOQ2P2JAZRRZ \
  | 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: 902c3f89a623b9ac072e869fa483318e63b74ac4ce3c18a0b77dcc5cc88f8829

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eca82a6d2ea32bda779bd03566ca9cf3ec51e7a34d06a730ab95c09c4f9fcf83",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://creativecommons.org/publicdomain/zero/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2024-08-15T15:07:16Z",
    "title_canon_sha256": "c2ed7162a9ddc0b3838c155d936640008f62a6621fe85d8aecaee389e588d7eb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2408.08198",
    "kind": "arxiv",
    "version": 1
  }
}