Pith Number

pith:T7UINLJA

pith:2020:T7UINLJAOLNEW4EEFNHNBKCLIQ

not attested not anchored not stored refs pending

Vision based hardware-software real-time control system for autonomous landing of an UAV

Hubert Szolc, Krzysztof Blachut, Marek Gorgon, Mateusz Wasala, Tomasz Kryjak

arxiv:2004.11612 v1 · 2020-04-24 · cs.CV · cs.SY · eess.IV · eess.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{T7UINLJAOLNEW4EEFNHNBKCLIQ}

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	2026-07-05T02:26:47.887097Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9fe886ad2072da4b70842b4ed0a84b44368762c1b0dc4d90072b2983194226e7

Aliases

arxiv: 2004.11612 · arxiv_version: 2004.11612v1 · doi: 10.48550/arxiv.2004.11612 · pith_short_12: T7UINLJAOLNE · pith_short_16: T7UINLJAOLNEW4EE · pith_short_8: T7UINLJA

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/T7UINLJAOLNEW4EEFNHNBKCLIQ \
  | 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: 9fe886ad2072da4b70842b4ed0a84b44368762c1b0dc4d90072b2983194226e7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "83c8bd5e426119aeb4b440d931a4f21d98f1cd81bc95bdb7ba1dd7ef4b274dd2",
    "cross_cats_sorted": [
      "cs.SY",
      "eess.IV",
      "eess.SY"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2020-04-24T09:24:14Z",
    "title_canon_sha256": "c2f736ca28f219713bdef5aede9baffed67b34a413ab220ffe88c12f269a5102"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2004.11612",
    "kind": "arxiv",
    "version": 1
  }
}