Pith Number

pith:6NMMMTZF

pith:2018:6NMMMTZFN4VOI3IGCM5GU5Y5L4

not attested not anchored not stored refs pending

The Urban Last Mile Problem: Autonomous Drone Delivery to Your Balcony

Bence Szebedy, Gino Brunner, Roger Wattenhofer, Simon Tanner

arxiv:1809.08022 v1 · 2018-09-21 · cs.RO · cs.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{6NMMMTZFN4VOI3IGCM5GU5Y5L4}

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	2026-05-18T00:05:10.538197Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f358c64f256f2ae46d06133a6a771d5f004c5a5300650c4fe3d675521626ba12

Aliases

arxiv: 1809.08022 · arxiv_version: 1809.08022v1 · doi: 10.48550/arxiv.1809.08022 · pith_short_12: 6NMMMTZFN4VO · pith_short_16: 6NMMMTZFN4VOI3IG · pith_short_8: 6NMMMTZF

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/6NMMMTZFN4VOI3IGCM5GU5Y5L4 \
  | 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: f358c64f256f2ae46d06133a6a771d5f004c5a5300650c4fe3d675521626ba12

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "92fec0688295628c1e7954c76f15d51861902db5425970aa10ec1a371195991b",
    "cross_cats_sorted": [
      "cs.SY"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.RO",
    "submitted_at": "2018-09-21T10:29:30Z",
    "title_canon_sha256": "c3a624e4f665b83624a9dee5972a4a5e4715aeee1ad915ce181304fac80690df"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.08022",
    "kind": "arxiv",
    "version": 1
  }
}