Pith Number

pith:OZYSFYVN

pith:2017:OZYSFYVNA2EN6CECFJ2ISYBOWF

not attested not anchored not stored refs pending

Vertical Landing for Micro Air Vehicles using Event-Based Optical Flow

Bas J. Pijnacker Hordijk, Guido C.H.E. de Croon, Kirk Y.W. Scheper

arxiv:1702.00061 v3 · 2017-01-31 · cs.CV

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OZYSFYVNA2EN6CECFJ2ISYBOWF}

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	2026-05-18T00:30:46.033994Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

767122e2ad0688df08822a7489602eb15a67c771482aa540596def873bc20d00

Aliases

arxiv: 1702.00061 · arxiv_version: 1702.00061v3 · doi: 10.48550/arxiv.1702.00061 · pith_short_12: OZYSFYVNA2EN · pith_short_16: OZYSFYVNA2EN6CEC · pith_short_8: OZYSFYVN

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/OZYSFYVNA2EN6CECFJ2ISYBOWF \
  | 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: 767122e2ad0688df08822a7489602eb15a67c771482aa540596def873bc20d00

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9236cd22cfed4b5529f2e397e7f3c1ab6e5cca236b994591f6e53a98c6e1bff6",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2017-01-31T21:43:23Z",
    "title_canon_sha256": "a2131ca04c5d2c0812bfceed8bd5bb6f5c3839d10049529954f8933ba6c48c2d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.00061",
    "kind": "arxiv",
    "version": 3
  }
}