Pith Number

pith:U4JDRM7R

pith:2026:U4JDRM7R7HVYNJTOCO2FI76A3I

not attested not anchored not stored refs pending

GroundControl: Anticipating Navigation Failures in Vision-Language Agents via Trajectory-Consistent Uncertainty Estimates

Amit Ranjan Trivedi, Devashri Naik, Divake Kumar, Nastaran Darabi, Sina Tayebati

arxiv:2606.20479 v1 · 2026-06-18 · 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{U4JDRM7R7HVYNJTOCO2FI76A3I}

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	2026-06-19T16:13:13.373515Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a71238b3f1f9eb86a66e13b4547fc0da1fb4a26546b0b402b442dd7984098a27

Aliases

arxiv: 2606.20479 · arxiv_version: 2606.20479v1 · doi: 10.48550/arxiv.2606.20479 · pith_short_12: U4JDRM7R7HVY · pith_short_16: U4JDRM7R7HVYNJTO · pith_short_8: U4JDRM7R

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/U4JDRM7R7HVYNJTOCO2FI76A3I \
  | 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: a71238b3f1f9eb86a66e13b4547fc0da1fb4a26546b0b402b442dd7984098a27

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "23b056ef61a85cac063e019de25be9e60a18baa4216c0c2300f45940b7cd0e61",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.RO",
    "submitted_at": "2026-06-18T16:56:20Z",
    "title_canon_sha256": "d2a079333b8dcf498d76133dcfd67dd6dc70d8db3d254225b31eec0c8af31a6b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.20479",
    "kind": "arxiv",
    "version": 1
  }
}