Pith Number

pith:VX3QLKQK

pith:2019:VX3QLKQKGIS6GA2OMNPID7V2AM

not attested not anchored not stored refs pending

Design and Take-Off Flight of a Samara-Inspired Revolving-Wing Robot

Pakpong Chirarattananon, Songnan Bai

arxiv:1907.08065 v1 · 2019-07-18 · 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{VX3QLKQKGIS6GA2OMNPID7V2AM}

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	2026-05-17T23:40:15.223390Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

adf705aa0a3225e3034e635e81feba032264c1ce30f300053d2f75f6d783cc3f

Aliases

arxiv: 1907.08065 · arxiv_version: 1907.08065v1 · doi: 10.48550/arxiv.1907.08065 · pith_short_12: VX3QLKQKGIS6 · pith_short_16: VX3QLKQKGIS6GA2O · pith_short_8: VX3QLKQK

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/VX3QLKQKGIS6GA2OMNPID7V2AM \
  | 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: adf705aa0a3225e3034e635e81feba032264c1ce30f300053d2f75f6d783cc3f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1d500c673fef02012f582e847f2f19639a7d2ef63218e849b3bb4e81284c7709",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.RO",
    "submitted_at": "2019-07-18T14:13:30Z",
    "title_canon_sha256": "7f3edeac32b9788108b53d597444cd947feedc8aa5f9a3f7dda9073548e026d9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.08065",
    "kind": "arxiv",
    "version": 1
  }
}