Pith Number

pith:WILSRFBL

pith:2013:WILSRFBL4WCQX47HGTZEN6CWQN

not attested not anchored not stored refs pending

A Dual Number Approach for Numerical Calculation of Velocity and Acceleration in the Spherical 4R Mechanism

Carlos A. Cruz-Villar, C. Villanueva, F. Penunuri, O. Mendoza, R. Peon-Escalante

arxiv:1301.1409 v3 · 2013-01-08 · cs.CE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WILSRFBL4WCQX47HGTZEN6CWQN}

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	2026-05-18T03:17:46.721941Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b21728942be5850bf3e734f246f85683516236fa83eb1d1b92fce96fec9b0083

Aliases

arxiv: 1301.1409 · arxiv_version: 1301.1409v3 · doi: 10.48550/arxiv.1301.1409 · pith_short_12: WILSRFBL4WCQ · pith_short_16: WILSRFBL4WCQX47H · pith_short_8: WILSRFBL

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/WILSRFBL4WCQX47HGTZEN6CWQN \
  | 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: b21728942be5850bf3e734f246f85683516236fa83eb1d1b92fce96fec9b0083

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b5c7195fcbd79bfc448d1494360fa46f860b07d34fec125ca6dab1118c6441da",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CE",
    "submitted_at": "2013-01-08T04:40:27Z",
    "title_canon_sha256": "5b678f7ae25ddd2096c011bb0fc3ed392331ea6411351d80e73b8181df0a2fb5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.1409",
    "kind": "arxiv",
    "version": 3
  }
}