Pith Number

pith:KFGZI64T

pith:2025:KFGZI64TRXB53J2AC5B3ZN7YEK

not attested not anchored not stored refs pending

Numerical analysis of a finite volume method for a 1-D wave equation with non smooth wave speed and localized Kelvin-Voigt damping

Ali Wehbe (KALMA), Rayan Nasser (BIU), St\'ephane Gerbi (LAMA)

arxiv:2502.19947 v3 · 2025-02-27 · math.AP · cs.NA · math.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{KFGZI64TRXB53J2AC5B3ZN7YEK}

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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.

Receipt and verification

First computed	2026-06-05T01:15:12.727841Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

514d947b938dc3dda7401743bcb7f8228f950cce3e188089a4eb4e5eaac82a7a

Aliases

arxiv: 2502.19947 · arxiv_version: 2502.19947v3 · doi: 10.48550/arxiv.2502.19947 · pith_short_12: KFGZI64TRXB5 · pith_short_16: KFGZI64TRXB53J2A · pith_short_8: KFGZI64T

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/KFGZI64TRXB53J2AC5B3ZN7YEK \
  | 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: 514d947b938dc3dda7401743bcb7f8228f950cce3e188089a4eb4e5eaac82a7a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cfa6e3242337879997f394031a5ddc9f19dacc8e030bfa4ddcce745d55322a21",
    "cross_cats_sorted": [
      "cs.NA",
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2025-02-27T10:15:44Z",
    "title_canon_sha256": "674ba1d16a342b7489d5f0f935a1f9359797babc1e611dadf7cc84f57ab9a36e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.19947",
    "kind": "arxiv",
    "version": 3
  }
}