Pith Number

pith:QD3JJKHW

pith:2019:QD3JJKHWWREX7OQEX6MYIQCS25

not attested not anchored not stored refs pending

A New Hybrid Control Architecture to Attenuate Large Horizontal Wind Disturbance for a Small-Scale Unmanned Helicopter

Chunyang Zheng, Wenwu Zeng, Xiaorui Zhu, Zexiang Li

arxiv:1905.03349 v1 · 2019-05-03 · 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{QD3JJKHWWREX7OQEX6MYIQCS25}

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	2026-05-17T23:46:40.287534Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

80f694a8f6b4497fba04bf99844052d7657e3efc2c235484484054f184a9deb2

Aliases

arxiv: 1905.03349 · arxiv_version: 1905.03349v1 · doi: 10.48550/arxiv.1905.03349 · pith_short_12: QD3JJKHWWREX · pith_short_16: QD3JJKHWWREX7OQE · pith_short_8: QD3JJKHW

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/QD3JJKHWWREX7OQEX6MYIQCS25 \
  | 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: 80f694a8f6b4497fba04bf99844052d7657e3efc2c235484484054f184a9deb2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "acd549567aa4923e500d165ac4940f8533018e8022d0495a26dc51cdc00c9f92",
    "cross_cats_sorted": [
      "cs.RO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SY",
    "submitted_at": "2019-05-03T04:40:46Z",
    "title_canon_sha256": "18986e59505d1d8ac8ebf794eb55b5ad1cb8ee9836f2862ea36c923ef92998a3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.03349",
    "kind": "arxiv",
    "version": 1
  }
}