Pith Number

pith:6Y4HIDPQ

pith:2026:6Y4HIDPQ5H4IDFX7YXBWX3HUAB

not attested not anchored not stored refs pending

How VLAs Fail Differently: Black-Box Action Monitoring Reveals Architecture-Specific Failure Signatures

Krishnam Gupta

arxiv:2605.28726 v1 · 2026-05-27 · cs.RO · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6Y4HIDPQ5H4IDFX7YXBWX3HUAB}

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	2026-05-28T02:05:01.230157Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f638740df0e9f88196ffc5c36becf40071fa14f2014482dba2267814eb679b72

Aliases

arxiv: 2605.28726 · arxiv_version: 2605.28726v1 · doi: 10.48550/arxiv.2605.28726 · pith_short_12: 6Y4HIDPQ5H4I · pith_short_16: 6Y4HIDPQ5H4IDFX7 · pith_short_8: 6Y4HIDPQ

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/6Y4HIDPQ5H4IDFX7YXBWX3HUAB \
  | 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: f638740df0e9f88196ffc5c36becf40071fa14f2014482dba2267814eb679b72

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bcf015e3445a077c3713a670356ce73cbb1f1bfdb345a39f97f6b2b45e37bb06",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.RO",
    "submitted_at": "2026-05-27T16:44:55Z",
    "title_canon_sha256": "a24c77f1378c5596ac659ef8ba6d81dd23a808b897fe3f28bd7f0417792be324"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.28726",
    "kind": "arxiv",
    "version": 1
  }
}