Pith Number

pith:4KG2K25S

pith:2025:4KG2K25SUAJS3V2K6RF2O6LKXW

not attested not anchored not stored refs pending

Differentiable High-Performance Ray Tracing-Based Simulation of Radio Propagation with Point Clouds

Janne Heikkil\"a, Miguel Bordallo L\'opez, Niklas Vaara, Pekka Sangi

arxiv:2507.04021 v1 · 2025-07-05 · eess.SP · cs.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4KG2K25SUAJS3V2K6RF2O6LKXW}

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	2026-07-05T11:32:40.977120Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e28da56bb2a0132dd74af44ba7796abda8adcb708aa14148a1bcc40f0aab9fad

Aliases

arxiv: 2507.04021 · arxiv_version: 2507.04021v1 · doi: 10.48550/arxiv.2507.04021 · pith_short_12: 4KG2K25SUAJS · pith_short_16: 4KG2K25SUAJS3V2K · pith_short_8: 4KG2K25S

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/4KG2K25SUAJS3V2K6RF2O6LKXW \
  | 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: e28da56bb2a0132dd74af44ba7796abda8adcb708aa14148a1bcc40f0aab9fad

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "db631bdb41b02be17f6a4da87e5375981e4046f04ce553d1c1fbfa136fef3ad2",
    "cross_cats_sorted": [
      "cs.CV"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2025-07-05T12:27:07Z",
    "title_canon_sha256": "e9ecc8c0402c6086fbc024a636ea0be6006ece3df49b35575cbaff87566c663c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.04021",
    "kind": "arxiv",
    "version": 1
  }
}