Pith Number

pith:5Q6EZY5Q

pith:2026:5Q6EZY5QRB2D4FLLV3OH7M756Z

not attested not anchored not stored refs pending

DreamReg: Belief-Driven World Model for 2D-3D Ultrasound Registration

Haifan Gong, Jiwei Shan, Luoyao Kang, Qingpeng Ding, Shing Shin Cheng, Yuelin Zhang

arxiv:2606.18825 v1 · 2026-06-17 · 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{5Q6EZY5QRB2D4FLLV3OH7M756Z}

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	2026-06-19T16:11:48.572882Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ec3c4ce3b088743e156baedc7fb3fdf64bed146bd680e2a0bcbdc2e60805d914

Aliases

arxiv: 2606.18825 · arxiv_version: 2606.18825v1 · doi: 10.48550/arxiv.2606.18825 · pith_short_12: 5Q6EZY5QRB2D · pith_short_16: 5Q6EZY5QRB2D4FLL · pith_short_8: 5Q6EZY5Q

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/5Q6EZY5QRB2D4FLLV3OH7M756Z \
  | 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: ec3c4ce3b088743e156baedc7fb3fdf64bed146bd680e2a0bcbdc2e60805d914

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "69e3f4ae2444b5c9587e37817c41e51468282c7034584db64908545e8fba6425",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2026-06-17T08:56:03Z",
    "title_canon_sha256": "cd34a9fafdbfe8505699d4abcc8d29ed401f3ff3792dd9025f402ab784fdaff8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.18825",
    "kind": "arxiv",
    "version": 1
  }
}