Pith Number

pith:74WRTWK2

pith:2026:74WRTWK2HTB2O6X5OS3FCBX7UW

not attested not anchored not stored refs pending

RigPI: Dynamic Parameter Identification of Rigid Body via VLM-Seeded Differentiable Simulation

Rongrong Zhang, Wei Jiang, Wenqiang Xu, Xincheng He

arxiv:2606.25212 v1 · 2026-06-23 · cs.RO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{74WRTWK2HTB2O6X5OS3FCBX7UW}

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	2026-06-25T00:18:21.059413Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ff2d19d95a3cc3a77afd74b65106ffa5a98e4e887a9a17038704ad67966b79a1

Aliases

arxiv: 2606.25212 · arxiv_version: 2606.25212v1 · doi: 10.48550/arxiv.2606.25212 · pith_short_12: 74WRTWK2HTB2 · pith_short_16: 74WRTWK2HTB2O6X5 · pith_short_8: 74WRTWK2

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/74WRTWK2HTB2O6X5OS3FCBX7UW \
  | 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: ff2d19d95a3cc3a77afd74b65106ffa5a98e4e887a9a17038704ad67966b79a1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e42814158c63384a4ae50f488e25d66657710c38ff237c0c0705e5098486e9ed",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.RO",
    "submitted_at": "2026-06-23T22:15:42Z",
    "title_canon_sha256": "5b2b9bff638eb8dc00090783101b44b4f27896525d85c9941baaf1496beab76c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.25212",
    "kind": "arxiv",
    "version": 1
  }
}