Pith Number

pith:HS2WCPAB

pith:2018:HS2WCPABWGSWBW5O6XII4XYKRO

not attested not anchored not stored refs pending

Visual navigation for airborne control of ground robots from tethered platform: creation of the first prototype

Bar Zangbi, Ilan Ehrenfeld, Irina Volinsky, Max Kogan, Oleg Kupervasser, Roman Yavich, Vitalii Sarychev

arxiv:1809.08272 v2 · 2018-09-16 · 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{HS2WCPABWGSWBW5O6XII4XYKRO}

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	2026-05-17T23:56:52.881888Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3cb5613c01b1a560dbaef5d08e5f0a8ba1384909af9780ffc458fb5beeebf18d

Aliases

arxiv: 1809.08272 · arxiv_version: 1809.08272v2 · doi: 10.48550/arxiv.1809.08272 · pith_short_12: HS2WCPABWGSW · pith_short_16: HS2WCPABWGSWBW5O · pith_short_8: HS2WCPAB

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/HS2WCPABWGSWBW5O6XII4XYKRO \
  | 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: 3cb5613c01b1a560dbaef5d08e5f0a8ba1384909af9780ffc458fb5beeebf18d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4feba544db083f16a2a010f0d92637b13abcb45ada4bd474b5e7f74680d9e261",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.RO",
    "submitted_at": "2018-09-16T21:21:21Z",
    "title_canon_sha256": "4c28be99809300502790528c81db74e6bcd12503792209327ded70387f137c2a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.08272",
    "kind": "arxiv",
    "version": 2
  }
}