Pith Number

pith:R3EQEOZ4

pith:2018:R3EQEOZ4BDHOPBCKX4PDI7MH3K

not attested not anchored not stored refs pending

Systematic design methodology for development and flight testing of a variable pitch quadrotor biplane VTOL UAV for payload delivery

Abhishek, Mangal Kothari, Rushikesh R. Chaudhari, Vishnu S. Chipade

arxiv:1801.02938 v1 · 2018-01-07 · 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{R3EQEOZ4BDHOPBCKX4PDI7MH3K}

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	2026-05-18T00:26:21.977849Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8ec9023b3c08cee7844abf1e347d87da99c5787ab3eb30e25c196cb6e2c9e51e

Aliases

arxiv: 1801.02938 · arxiv_version: 1801.02938v1 · doi: 10.48550/arxiv.1801.02938 · pith_short_12: R3EQEOZ4BDHO · pith_short_16: R3EQEOZ4BDHOPBCK · pith_short_8: R3EQEOZ4

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/R3EQEOZ4BDHOPBCKX4PDI7MH3K \
  | 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: 8ec9023b3c08cee7844abf1e347d87da99c5787ab3eb30e25c196cb6e2c9e51e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b7c410c0cc860d4c55eeb0c57d4bff68e19a6453abdf683cae7a820ce097d4a1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SY",
    "submitted_at": "2018-01-07T16:59:36Z",
    "title_canon_sha256": "b4873e099dc956eb07c0d6877ed5e97d481fc510f46815a556396a62be879cd8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.02938",
    "kind": "arxiv",
    "version": 1
  }
}