Pith Number

pith:OKTJI2XY

pith:2026:OKTJI2XYWYROCY72U2UIF2NMNG

not attested not anchored not stored refs pending

Semalith v1.4: A Calibrated 184M Safety Classifier Achieving State-of-the-Art Prompt-Injection Detection at 44x Fewer Parameters than Llama-Guard-3-8B

Tejasvi C. Addagada

arxiv:2607.22545 v1 · 2026-05-06 · cs.LG · cs.AI · cs.CL · cs.CR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OKTJI2XYWYROCY72U2UIF2NMNG}

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	2026-07-28T00:21:41.426302Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

72a6946af8b622e163faa6a882e9ac69afda407040eac2be1749081980f5c497

Aliases

arxiv: 2607.22545 · arxiv_version: 2607.22545v1 · doi: 10.48550/arxiv.2607.22545 · pith_short_12: OKTJI2XYWYRO · pith_short_16: OKTJI2XYWYROCY72 · pith_short_8: OKTJI2XY

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/OKTJI2XYWYROCY72U2UIF2NMNG \
  | 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: 72a6946af8b622e163faa6a882e9ac69afda407040eac2be1749081980f5c497

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c4a26de822c3679245f2ec30ad4d8dd9bc34ac3f9352aab3277d3fa6cb7c1236",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.CL",
      "cs.CR"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-05-06T10:14:30Z",
    "title_canon_sha256": "66ba24dd9aac1e645773a69cddc344f73e6885810a3319b32bf088a6ecd07618"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.22545",
    "kind": "arxiv",
    "version": 1
  }
}