Pith Number

pith:L6ICYQUS

pith:2026:L6ICYQUSQ2TXS2Q54BWX2Z7DYU

not attested not anchored not stored refs pending

Which Model Is Actually Serving You? IRIS: Budgeted Black-Box Auditing of Model Substitution and Routing Dilution in LLM Gateways

Hanzhang Qin, Yuewei Zhang, Zhi-Hai Zhang

arxiv:2607.20860 v1 · 2026-07-23 · 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{L6ICYQUSQ2TXS2Q54BWX2Z7DYU}

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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

1 paper in Pith

What Iterated Self-Feeding Probes of Language Models Measure, and a test that separates the construction from the model

Receipt and verification

First computed	2026-07-24T00:23:38.489669Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5f902c429286a7796a1de06d7d67e3c50423df5b7a66e0e79aa55516f8a53ef4

Aliases

arxiv: 2607.20860 · arxiv_version: 2607.20860v1 · doi: 10.48550/arxiv.2607.20860 · pith_short_12: L6ICYQUSQ2TX · pith_short_16: L6ICYQUSQ2TXS2Q5 · pith_short_8: L6ICYQUS

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/L6ICYQUSQ2TXS2Q54BWX2Z7DYU \
  | 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: 5f902c429286a7796a1de06d7d67e3c50423df5b7a66e0e79aa55516f8a53ef4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b2c1a83ea2a87aecc3ab115c16f88ba090c2275e6c3ec89e019a60a2dbdee260",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2026-07-23T02:32:08Z",
    "title_canon_sha256": "cc36b552b7e5b5a32fbbe407d1d799f9eb39879571796486136dbd3cd555b9d3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.20860",
    "kind": "arxiv",
    "version": 1
  }
}