Pith Number

pith:6Q5QYJAV

pith:2021:6Q5QYJAVEOLCTXZ5IGWZF27API

not attested not anchored not stored refs pending

Multi-Resolution Elevation Mapping and Safe Landing Site Detection with Applications to Planetary Rotorcraft

Jeff Delaune, Larry Matthies, Michael Pantic, Pascal Schoppmann, Pedro F. Proen\c{c}a, Roland Brockers, Roland Siegwart, Timo Hinzmann

arxiv:2111.06271 v1 · 2021-11-11 · 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{6Q5QYJAVEOLCTXZ5IGWZF27API}

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	2026-07-05T03:30:59.881474Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f43b0c2415239629df3d41ad92ebe07a1786c54de1fb347cab82636b95aa3f5b

Aliases

arxiv: 2111.06271 · arxiv_version: 2111.06271v1 · doi: 10.48550/arxiv.2111.06271 · pith_short_12: 6Q5QYJAVEOLC · pith_short_16: 6Q5QYJAVEOLCTXZ5 · pith_short_8: 6Q5QYJAV

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/6Q5QYJAVEOLCTXZ5IGWZF27API \
  | 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: f43b0c2415239629df3d41ad92ebe07a1786c54de1fb347cab82636b95aa3f5b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7075d2b1c3d4fdba4c7593c8563637dbbf7ed3dadbc25677b149359ca2bce1cd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.RO",
    "submitted_at": "2021-11-11T15:28:36Z",
    "title_canon_sha256": "effb7a38865a2a23e5ae86da6d76f79038ae5b474851dbe46f0691bf4621f945"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2111.06271",
    "kind": "arxiv",
    "version": 1
  }
}