Pith Number

pith:2RP7GAD3

pith:2025:2RP7GAD3ZUDO7SRXZB6W4G7E6M

not attested not anchored not stored refs pending

UltraRay: Introducing Full-Path Ray Tracing in Physics-Based Ultrasound Simulation

Felix Duelmer, Magdalena Wysocki, Mohammad Farid Azampour, Nassir Navab

arxiv:2501.05828 v3 · 2025-01-10 · cs.CV · cs.GR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2RP7GAD3ZUDO7SRXZB6W4G7E6M}

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

1 paper in Pith

SonoGym: High Performance Simulation for Challenging Surgical Tasks with Robotic Ultrasound

Receipt and verification

First computed	2026-07-05T11:59:56.702369Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d45ff3007bcd06efca37c87d6e1be4f31145e62fca09cbe95280d0709bb0ebbe

Aliases

arxiv: 2501.05828 · arxiv_version: 2501.05828v3 · doi: 10.48550/arxiv.2501.05828 · pith_short_12: 2RP7GAD3ZUDO · pith_short_16: 2RP7GAD3ZUDO7SRX · pith_short_8: 2RP7GAD3

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/2RP7GAD3ZUDO7SRXZB6W4G7E6M \
  | 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: d45ff3007bcd06efca37c87d6e1be4f31145e62fca09cbe95280d0709bb0ebbe

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d380aca16ab9d51878f4575a8a88dade5068d3aa8807855e9a438ae2ea84d3d5",
    "cross_cats_sorted": [
      "cs.GR"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2025-01-10T10:07:41Z",
    "title_canon_sha256": "100498161c380585ecaa5aae0f3bafbe0594b5a2aed1001dadd51def353fbcd7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2501.05828",
    "kind": "arxiv",
    "version": 3
  }
}