Pith Number

pith:P7V5HTNE

pith:2023:P7V5HTNE4C26NXTX45GZTXRBXR

not attested not anchored not stored refs pending

Data-driven Discovery of The Quadrotor Equations of Motion Via Sparse Identification of Nonlinear Dynamics

Ayman M. Abdallah, Mohammed R. Elbalshy, Zeyad M. Manaa

arxiv:2305.16500 v2 · 2023-05-25 · math.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{P7V5HTNE4C26NXTX45GZTXRBXR}

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	2026-07-05T07:08:58.184957Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7febd3cda4e0b5e6de77e74d99de21bc4e61e2c532f479f83493a4a82889097e

Aliases

arxiv: 2305.16500 · arxiv_version: 2305.16500v2 · doi: 10.48550/arxiv.2305.16500 · pith_short_12: P7V5HTNE4C26 · pith_short_16: P7V5HTNE4C26NXTX · pith_short_8: P7V5HTNE

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/P7V5HTNE4C26NXTX45GZTXRBXR \
  | 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: 7febd3cda4e0b5e6de77e74d99de21bc4e61e2c532f479f83493a4a82889097e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c411f34316f8e16e02b726027413c6bbb32982322ea71c8d44ff00809f7083d0",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2023-05-25T21:59:54Z",
    "title_canon_sha256": "c20d2b0ae2e227f71e3b7d218ee3fb5f94d427772fcbe5d271dcd2916306327e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2305.16500",
    "kind": "arxiv",
    "version": 2
  }
}