Pith Number

pith:DL4DWXTP

pith:2025:DL4DWXTPEREZJZ7UKO4ENQTU42

not attested not anchored not stored refs pending

Hydra: Marker-Free RGB-D Hand-Eye Calibration

Christopher E. Mower, Christos Bergeles, Huanyu Tian, Lucas-Raphael M\"uller, Martin Huber, S\'ebastien Ourselin, Tom Vercauteren

arxiv:2504.20584 v1 · 2025-04-29 · cs.RO · 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{DL4DWXTPEREZJZ7UKO4ENQTU42}

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

cuRoboV2: Dynamics-Aware Motion Generation with Depth-Fused Distance Fields for High-DoF Robots

Receipt and verification

First computed	2026-07-05T10:55:45.152452Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1af83b5e6f244994e7f453b846c274e683174e71e2dc22cf6003e32481185941

Aliases

arxiv: 2504.20584 · arxiv_version: 2504.20584v1 · doi: 10.48550/arxiv.2504.20584 · pith_short_12: DL4DWXTPEREZ · pith_short_16: DL4DWXTPEREZJZ7U · pith_short_8: DL4DWXTP

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/DL4DWXTPEREZJZ7UKO4ENQTU42 \
  | 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: 1af83b5e6f244994e7f453b846c274e683174e71e2dc22cf6003e32481185941

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f0fb24fdf46f61ecb0b08ca606686e3fb33f903f5fe075fa4bdd1d85cc275c0b",
    "cross_cats_sorted": [
      "cs.CV"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.RO",
    "submitted_at": "2025-04-29T09:39:59Z",
    "title_canon_sha256": "14c2d5de4f4a2cf10daf0986cfb19ebe257dc81115a412830b0ac06c7273f07f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.20584",
    "kind": "arxiv",
    "version": 1
  }
}