Pith Number

pith:ZEFSL5JF

pith:2026:ZEFSL5JFUPCFAIP4HAEBW5N22M

not attested not anchored not stored refs pending

CORTEX: Token-Level Hallucination Detection in RAG via Comparative Internal Representations

Daisuke Kamisaka, Kazuaki Furumai, Kazunori Matsumoto, Shuichiro Haruta

arxiv:2606.31033 v1 · 2026-06-30 · cs.CL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZEFSL5JFUPCFAIP4HAEBW5N22M}

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	2026-07-01T01:17:26.968386Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c90b25f525a3c45021fc38081b75bad320795fd08f11fa2189171d0aa5fa2151

Aliases

arxiv: 2606.31033 · arxiv_version: 2606.31033v1 · doi: 10.48550/arxiv.2606.31033 · pith_short_12: ZEFSL5JFUPCF · pith_short_16: ZEFSL5JFUPCFAIP4 · pith_short_8: ZEFSL5JF

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/ZEFSL5JFUPCFAIP4HAEBW5N22M \
  | 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: c90b25f525a3c45021fc38081b75bad320795fd08f11fa2189171d0aa5fa2151

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "777a0b2058b51fa7e258fa7f700b704850a81e0a6938f86581bee36e88b57181",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2026-06-30T02:04:24Z",
    "title_canon_sha256": "3db4375721e082dcd78d44c83b95cf10f461c4bd4b92ff28327780bc484741bd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.31033",
    "kind": "arxiv",
    "version": 1
  }
}