Pith Number

pith:PYBHPLSJ

pith:2016:PYBHPLSJWKGQXRP4XHWI57OK6U

not attested not anchored not stored refs pending

Detecting and avoiding frontal obstacles from monocular camera for micro unmanned aerial vehicles

Hiliwi Kidane, Ibrahim Sadek, Mohamed Elawady

arxiv:1603.09422 v2 · 2016-03-31 · 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{PYBHPLSJWKGQXRP4XHWI57OK6U}

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	2026-05-18T01:17:49.802389Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7e0277ae49b28d0bc5fcb9ec8efdcaf50cd2dcb804f8bbd081b8969b58212194

Aliases

arxiv: 1603.09422 · arxiv_version: 1603.09422v2 · doi: 10.48550/arxiv.1603.09422 · pith_short_12: PYBHPLSJWKGQ · pith_short_16: PYBHPLSJWKGQXRP4 · pith_short_8: PYBHPLSJ

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/PYBHPLSJWKGQXRP4XHWI57OK6U \
  | 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: 7e0277ae49b28d0bc5fcb9ec8efdcaf50cd2dcb804f8bbd081b8969b58212194

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "30f75bea1c69cf86079375607e637bde1fafccb410938eb3009397f3c271573c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.RO",
    "submitted_at": "2016-03-31T00:07:04Z",
    "title_canon_sha256": "89a037c267057d69b324e68c98954fd5673b72e2264a0bbfb31f56641a6aaa2e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1603.09422",
    "kind": "arxiv",
    "version": 2
  }
}