Pith Number

pith:3B27LLZY

pith:2026:3B27LLZYHH77VTXIOUG3I3G55Q

not attested not anchored not stored refs pending

Hallucination Detection-Guided Preference Optimization for Clinical Summarization

Andrew McCallum, Avijit Mitra, Dung Ngoc Thai, Rami Matar, Shamanth Kuthpadi Seethakantha, Simran Tiwari, Vara Prasad Gudi, Wael Salloum, Wenlong Zhao

arxiv:2605.28910 v1 · 2026-05-27 · 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{3B27LLZYHH77VTXIOUG3I3G55Q}

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	2026-05-29T00:04:16.262588Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d875f5af3839fffacee8750db46cddec362d112cadf1c2c735e28584c6e2708c

Aliases

arxiv: 2605.28910 · arxiv_version: 2605.28910v1 · doi: 10.48550/arxiv.2605.28910 · pith_short_12: 3B27LLZYHH77 · pith_short_16: 3B27LLZYHH77VTXI · pith_short_8: 3B27LLZY

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/3B27LLZYHH77VTXIOUG3I3G55Q \
  | 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: d875f5af3839fffacee8750db46cddec362d112cadf1c2c735e28584c6e2708c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f4a3760960023e16df506e0c47e184d765d7ffd93e5f743e00012afd1a7df4e3",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2026-05-27T17:24:26Z",
    "title_canon_sha256": "1b96a5e2f37b741a19819dd617f76868113d6f7cf5fb82f39165598da5e45b09"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.28910",
    "kind": "arxiv",
    "version": 1
  }
}