Pith Number

pith:KJ3VROTR

pith:2021:KJ3VROTRPADX3VY4I5RLHKWN4Y

not attested not anchored not stored refs pending

A fullwave model of the nonlinear wave equation with multiple relaxations and relaxing perfectly matched layers for high-order numerical finite-difference solutions

Gianmarco Pinton

arxiv:2106.11476 v1 · 2021-06-22 · physics.med-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{KJ3VROTRPADX3VY4I5RLHKWN4Y}

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.

Cited by

2 papers in Pith

Spatially heterogeneous power-law attenuation with multiple relaxation mechanisms for ultrasound modeling

A Wavefield Correlation Approach to Improve Sound Speed Estimation in Ultrasound Autofocusing

Receipt and verification

First computed	2026-07-05T02:51:29.747576Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

527758ba7178077dd71c4762b3aacde63f6fb65503476db9803accc0ecf853b0

Aliases

arxiv: 2106.11476 · arxiv_version: 2106.11476v1 · doi: 10.48550/arxiv.2106.11476 · pith_short_12: KJ3VROTRPADX · pith_short_16: KJ3VROTRPADX3VY4 · pith_short_8: KJ3VROTR

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/KJ3VROTRPADX3VY4I5RLHKWN4Y \
  | 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: 527758ba7178077dd71c4762b3aacde63f6fb65503476db9803accc0ecf853b0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1caf5cfe0f2a49abc611598903f4e48835ced2479a6fcac8d20bc9b50f0c7718",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.med-ph",
    "submitted_at": "2021-06-22T01:41:05Z",
    "title_canon_sha256": "88b7d5306599ae58bcfea2ad2648d462db2085d2258e88a1036b18bd7e15f1fa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2106.11476",
    "kind": "arxiv",
    "version": 1
  }
}