Pith Number

pith:LDNA74WU

pith:2026:LDNA74WUT5DF5PLR5AIFN75E66

not attested not anchored not stored refs pending

Adversarial Stress Testing of SPARK Humanoid Safety Filters

Abdou Sow, Luke Zhang, Saurav Ghosh

arxiv:2605.19009 v1 · 2026-05-18 · cs.RO · cs.SY · eess.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{LDNA74WUT5DF5PLR5AIFN75E66}

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	2026-05-20T01:04:42.278324Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

58da0ff2d49f465ebd71e81056ffa4f79ba90eccbdd939df982207b971a9204d

Aliases

arxiv: 2605.19009 · arxiv_version: 2605.19009v1 · doi: 10.48550/arxiv.2605.19009 · pith_short_12: LDNA74WUT5DF · pith_short_16: LDNA74WUT5DF5PLR · pith_short_8: LDNA74WU

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/LDNA74WUT5DF5PLR5AIFN75E66 \
  | 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: 58da0ff2d49f465ebd71e81056ffa4f79ba90eccbdd939df982207b971a9204d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8384f7de0fee1e706c3e28cc93d2d897b1ac5a9b67d92caa80a1adaa5913044e",
    "cross_cats_sorted": [
      "cs.SY",
      "eess.SY"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.RO",
    "submitted_at": "2026-05-18T18:32:45Z",
    "title_canon_sha256": "c99556bdfe840b98de960474caa31b73c15e4ff4a352a99b606b5f6a4612a2bd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.19009",
    "kind": "arxiv",
    "version": 1
  }
}