Pith Number

pith:UY644ARK

pith:2021:UY644ARK2VQBZP3F7E22TOWXNX

not attested not anchored not stored refs pending

Koopman Operator Based Modeling for Quadrotor Control on $SE(3)$

Efstathios Bakolas, Vrushabh Zinage

arxiv:2103.03363 v2 · 2021-03-04 · eess.SY · cs.SY

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UY644ARK2VQBZP3F7E22TOWXNX}

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	2026-07-05T02:47:43.332004Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a63dce022ad5601cbf65f935a9bad76de9388e72d6c67f02737797dc1f461438

Aliases

arxiv: 2103.03363 · arxiv_version: 2103.03363v2 · doi: 10.48550/arxiv.2103.03363 · pith_short_12: UY644ARK2VQB · pith_short_16: UY644ARK2VQBZP3F · pith_short_8: UY644ARK

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/UY644ARK2VQBZP3F7E22TOWXNX \
  | 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: a63dce022ad5601cbf65f935a9bad76de9388e72d6c67f02737797dc1f461438

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1161cd7f451e39f62a65a8bbc078e5d0a197ea0107fe63ed7b51755b19e7378b",
    "cross_cats_sorted": [
      "cs.SY"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SY",
    "submitted_at": "2021-03-04T22:04:27Z",
    "title_canon_sha256": "f8e2c911a9d31f30685dfe972a8edd2632b165b7550088c7b1a0e949f63f58e8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2103.03363",
    "kind": "arxiv",
    "version": 2
  }
}