Pith Number

pith:SIVTGXMH

pith:2026:SIVTGXMHLFOPZYKWRQACEV2LVG

not attested not anchored not stored refs pending

Hide and Seek in Embedding Space: Geometry-based Steganography and Detection in Large Language Models

Charles Westphal, Fernando E. Rosas, Keivan Navaie

arxiv:2601.22818 v2 · 2026-01-30 · 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{SIVTGXMHLFOPZYKWRQACEV2LVG}

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.

Cited by

2 papers in Pith

Now You (Still) See Me: Detecting Evasive Steganographic Payloads in LLMs

$\pi$Creds: Privately Inferred Credentials

Receipt and verification

First computed	2026-07-20T01:18:26.607462Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

922b335d87595cfce1568c0022574ba9b8c4943fdb38dfee4921b9e50629c33d

Aliases

arxiv: 2601.22818 · arxiv_version: 2601.22818v2 · doi: 10.48550/arxiv.2601.22818 · pith_short_12: SIVTGXMHLFOP · pith_short_16: SIVTGXMHLFOPZYKW · pith_short_8: SIVTGXMH

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/SIVTGXMHLFOPZYKWRQACEV2LVG \
  | 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: 922b335d87595cfce1568c0022574ba9b8c4943fdb38dfee4921b9e50629c33d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ac101199487c17c55ab11288cff72ed7c927c4ca87f73396eb0303d18d22c281",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2026-01-30T10:43:43Z",
    "title_canon_sha256": "b22c25ec6b13de6ff7dcf46cf595d13c6e923e3fadf8b22654dba3542763f4ce"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2601.22818",
    "kind": "arxiv",
    "version": 2
  }
}