Pith Number

pith:2AAZ5O22

pith:2018:2AAZ5O22QDPHFVCNDGQ4KLSWNR

not attested not anchored not stored refs pending

An Analytical Design Optimization Method for Electric Propulsion Systems of Multicopter UAVs with Desired Hovering Endurance

Jinrui Ren, Kai-Yuan Cai, Quan Quan, Xunhua Dai

arxiv:1809.02472 v2 · 2018-09-01 · cs.SY · 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{2AAZ5O22QDPHFVCNDGQ4KLSWNR}

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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	2026-05-17T23:49:17.421521Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d0019ebb5a80de72d44d19a1c52e566c4a16ded459d0a173c27a869ae99a1da8

Aliases

arxiv: 1809.02472 · arxiv_version: 1809.02472v2 · doi: 10.48550/arxiv.1809.02472 · pith_short_12: 2AAZ5O22QDPH · pith_short_16: 2AAZ5O22QDPHFVCN · pith_short_8: 2AAZ5O22

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/2AAZ5O22QDPHFVCNDGQ4KLSWNR \
  | 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: d0019ebb5a80de72d44d19a1c52e566c4a16ded459d0a173c27a869ae99a1da8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d22651fdc75b2894dc3472fc347b1be3c031d64a4a00370f13eccedcc37ff9b2",
    "cross_cats_sorted": [
      "cs.RO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SY",
    "submitted_at": "2018-09-01T09:17:36Z",
    "title_canon_sha256": "753cc3c1b396417927ed1dc3cb121376e496098f9d87252c974b7b858effc6b6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.02472",
    "kind": "arxiv",
    "version": 2
  }
}