Pith Number

pith:CF4UDNGM

pith:2024:CF4UDNGMXCE6YGWZVCBJEGAM5B

not attested not anchored not stored refs pending

H-Matrix Accelerated Direct Matrix Solver for Maxwell's Equations using the Chebyshev-based Nystr\"om Boundary Integral Equation Method

Constantine Sideris, Emrah Sever, Ian Jeffrey, Jin Hu, Omid Babazadeh, Vladimir Okhmatovski

arxiv:2408.17116 v2 · 2024-08-30 · math.NA · cs.NA · physics.comp-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CF4UDNGMXCE6YGWZVCBJEGAM5B}

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	2026-07-05T09:19:11.998374Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

117941b4ccb889ec1ad9a88292180ce841447dbbf39bb03fcae4ee82d0595189

Aliases

arxiv: 2408.17116 · arxiv_version: 2408.17116v2 · doi: 10.48550/arxiv.2408.17116 · pith_short_12: CF4UDNGMXCE6 · pith_short_16: CF4UDNGMXCE6YGWZ · pith_short_8: CF4UDNGM

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/CF4UDNGMXCE6YGWZVCBJEGAM5B \
  | 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: 117941b4ccb889ec1ad9a88292180ce841447dbbf39bb03fcae4ee82d0595189

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3e53dd946eb56ee64588819bf02cfa8b11fdc607e1e9c9563a932b0247e7e76f",
    "cross_cats_sorted": [
      "cs.NA",
      "physics.comp-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2024-08-30T08:57:37Z",
    "title_canon_sha256": "3d5f46c37faf8cef40811103f74406238d55a4dfd0d9dc5c9eba947652259205"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2408.17116",
    "kind": "arxiv",
    "version": 2
  }
}