Pith Number

pith:ZE7MF3XI

pith:2026:ZE7MF3XISFU6UE3QL7BTZOWLHT

not attested not anchored not stored refs pending

ESLD (External Surrogate Latent Defense): A Latent-Space Architecture for Faster, Stronger Prompt-Injection Defense

Yash Narendra

arxiv:2605.18918 v1 · 2026-05-18 · cs.CR · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZE7MF3XISFU6UE3QL7BTZOWLHT}

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	2026-05-20T00:06:32.055896Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c93ec2eee89169ea13705fc33cbacb3cc5343877ca71c37750c7e813ec513e41

Aliases

arxiv: 2605.18918 · arxiv_version: 2605.18918v1 · doi: 10.48550/arxiv.2605.18918 · pith_short_12: ZE7MF3XISFU6 · pith_short_16: ZE7MF3XISFU6UE3Q · pith_short_8: ZE7MF3XI

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/ZE7MF3XISFU6UE3QL7BTZOWLHT \
  | 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: c93ec2eee89169ea13705fc33cbacb3cc5343877ca71c37750c7e813ec513e41

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5b091d86f1995db6ab2da7fd7d8aab0ab1c9e887e6ee417875f5e7c70a15b542",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2026-05-18T06:57:58Z",
    "title_canon_sha256": "8f290d8fa330d8539b02ed2961d8fe026e5e8099a194736c646158e8b51f24c7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.18918",
    "kind": "arxiv",
    "version": 1
  }
}