Pith Number

pith:ADKSW3PG

pith:2026:ADKSW3PGZMMY5EWA66HQTPEOPE

not attested not anchored not stored refs pending

Retromorphic Testing with Hierarchical Verification for Hallucination Detection in RAG

Boxi Yu, Emir Mu\~noz, Lionel Briand, Liting Lin, Yuzhong Zhang

arxiv:2603.27752 v2 · 2026-03-29 · cs.CL · cs.SE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ADKSW3PGZMMY5EWA66HQTPEOPE}

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	2026-07-21T02:21:34.536242Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

00d52b6de6cb198e92c0f78f09bc8e7909de56ac5f78674e27fde118e75e2ed3

Aliases

arxiv: 2603.27752 · arxiv_version: 2603.27752v2 · doi: 10.48550/arxiv.2603.27752 · pith_short_12: ADKSW3PGZMMY · pith_short_16: ADKSW3PGZMMY5EWA · pith_short_8: ADKSW3PG

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/ADKSW3PGZMMY5EWA66HQTPEOPE \
  | 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: 00d52b6de6cb198e92c0f78f09bc8e7909de56ac5f78674e27fde118e75e2ed3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8f37e91583b3975e9946bcf5ed8eb647bf3a0b1fddd0252d154c5619c860d156",
    "cross_cats_sorted": [
      "cs.SE"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2026-03-29T16:12:18Z",
    "title_canon_sha256": "ebf8b86b8509a6747e7ccb243fa0c5156e04bbd2f9b885b71c789f44b0c8235c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2603.27752",
    "kind": "arxiv",
    "version": 2
  }
}