Pith Number

pith:MNK2R2CU

pith:2018:MNK2R2CUKPTCG4QMQV4LQKELSJ

not attested not anchored not stored refs pending

There's No Place Like Home: Visual Teach and Repeat for Emergency Return of Multirotor UAVs During GPS Failure

Angela P. Schoellig, Bhavit Patel, Jack Collier, Melissa Greeff, Michael Warren, Timothy D. Barfoot

arxiv:1809.05757 v1 · 2018-09-15 · 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{MNK2R2CUKPTCG4QMQV4LQKELSJ}

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	2026-05-18T00:05:36.608076Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6355a8e85453e623720c8578b8288b92429f045f6a0bbfd4c6fd3bf5ff0c280d

Aliases

arxiv: 1809.05757 · arxiv_version: 1809.05757v1 · doi: 10.48550/arxiv.1809.05757 · pith_short_12: MNK2R2CUKPTC · pith_short_16: MNK2R2CUKPTCG4QM · pith_short_8: MNK2R2CU

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/MNK2R2CUKPTCG4QMQV4LQKELSJ \
  | 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: 6355a8e85453e623720c8578b8288b92429f045f6a0bbfd4c6fd3bf5ff0c280d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ece7f586cb7735a08c05994973ca5e69415249a60937227a4ca70ab76c5e8c49",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.RO",
    "submitted_at": "2018-09-15T19:03:51Z",
    "title_canon_sha256": "b9aaab80f7920c54e9fb0ae01a9e41030ab7efb2c9036d2e64e09b50878fdd90"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.05757",
    "kind": "arxiv",
    "version": 1
  }
}