Pith Number

pith:P54CSGDY

pith:2025:P54CSGDYM35CQ3YBM2TSJMBMMG

not attested not anchored not stored refs pending

A Smooth Analytical Formulation of Collision Detection and Rigid Body Dynamics With Contact

Amirreza Razmjoo, A. Ren\'e Geist, Georg Martius, Ji Shi, Nico G\"urtler, Onur Beker, Sylvain Calinon

arxiv:2503.11736 v2 · 2025-03-14 · cs.RO · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{P54CSGDYM35CQ3YBM2TSJMBMMG}

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	2026-07-05T10:48:26.987017Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7f7829187866fa286f0166a724b02c61b83db3e764fd0470710a8cff3e70bdda

Aliases

arxiv: 2503.11736 · arxiv_version: 2503.11736v2 · doi: 10.48550/arxiv.2503.11736 · pith_short_12: P54CSGDYM35C · pith_short_16: P54CSGDYM35CQ3YB · pith_short_8: P54CSGDY

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/P54CSGDYM35CQ3YBM2TSJMBMMG \
  | 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: 7f7829187866fa286f0166a724b02c61b83db3e764fd0470710a8cff3e70bdda

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "28ca0bc1e84f718c7a0e2c37a26014ea1935733808e9e06f1b92c5f0e95969bc",
    "cross_cats_sorted": [
      "math.OC"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.RO",
    "submitted_at": "2025-03-14T14:02:12Z",
    "title_canon_sha256": "181cfcb1c012fd2f5fcf1b42d37ef7dd75daf0c9b24196cdde73936db632d26a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2503.11736",
    "kind": "arxiv",
    "version": 2
  }
}