Pith Number

pith:XSAMC7NQ

pith:2018:XSAMC7NQBOKPGS7O7BYOW6FPZ4

not attested not anchored not stored refs pending

Highly accurate acoustic scattering: Isogeometric Analysis coupled with local high order Farfield Expansion ABC

Tahsin Khajah, Vianey Villamizar

arxiv:1810.09448 v1 · 2018-10-22 · 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{XSAMC7NQBOKPGS7O7BYOW6FPZ4}

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	2026-05-17T23:50:11.845754Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bc80c17db00b94f34beef870eb78afcf245f1e3faf28089c9ff18e32c21e3669

Aliases

arxiv: 1810.09448 · arxiv_version: 1810.09448v1 · doi: 10.48550/arxiv.1810.09448 · pith_short_12: XSAMC7NQBOKP · pith_short_16: XSAMC7NQBOKPGS7O · pith_short_8: XSAMC7NQ

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/XSAMC7NQBOKPGS7O7BYOW6FPZ4 \
  | 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: bc80c17db00b94f34beef870eb78afcf245f1e3faf28089c9ff18e32c21e3669

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d7f0530fd79a35a47886f28e9fe2855662621ca19d93693c9b04d82bdff896a4",
    "cross_cats_sorted": [
      "cs.NA",
      "physics.comp-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-10-22T05:58:30Z",
    "title_canon_sha256": "0f093886d92e6da3fef94b1be3a07517451ecc61922195e3ab26f0d8a326e2b4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.09448",
    "kind": "arxiv",
    "version": 1
  }
}