Pith Number

pith:Q4VAYN5G

pith:2025:Q4VAYN5G2GCTH4LBWI2MABMG3Q

not attested not anchored not stored refs pending

ICR Probe: Tracking Hidden State Dynamics for Reliable Hallucination Detection in LLMs

Huixuan Zhang, Junzhe Zhang, Xiaojun Wan, Xinyu Hu, Zhenliang Zhang

arxiv:2507.16488 v1 · 2025-07-22 · cs.CL · 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{Q4VAYN5G2GCTH4LBWI2MABMG3Q}

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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

2 papers in Pith

When AUC 0.998 Is Not Enough: A Candidate Evaluation Protocol for Hidden-State Probes of Indirect Prompt Injection in Multimodal Computer-Use Agents

RAGognizer: Hallucination-Aware Fine-Tuning via Detection Head Integration

Receipt and verification

First computed	2026-07-05T11:41:10.372593Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

872a0c37a6d18533f161b234c00586dc04cbba86486b8609c05b8a7318bb2b93

Aliases

arxiv: 2507.16488 · arxiv_version: 2507.16488v1 · doi: 10.48550/arxiv.2507.16488 · pith_short_12: Q4VAYN5G2GCT · pith_short_16: Q4VAYN5G2GCTH4LB · pith_short_8: Q4VAYN5G

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/Q4VAYN5G2GCTH4LBWI2MABMG3Q \
  | 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: 872a0c37a6d18533f161b234c00586dc04cbba86486b8609c05b8a7318bb2b93

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f876624d366f5d63e75ccc9a74af210d068dbb825c59b4535b48613af43c0c9d",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2025-07-22T11:44:26Z",
    "title_canon_sha256": "88ba1d0a1c727a7f4af41f72fc0382eb2a9c4dd2922e8cab5454a6d9728a0680"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.16488",
    "kind": "arxiv",
    "version": 1
  }
}