Pith Number

pith:RUZ77DU5

pith:2025:RUZ77DU5IUDZJY6FXILXUYVIPZ

not attested not anchored not stored refs pending

Large Language Model Empowered Privacy-Protected Framework for PHI Annotation in Clinical Notes

Bo Li, Carl Yang, Darren Liu, Delgersuren Bold, Guanchen Wu, Han Xie, Jiaying Lu, Linzhi Zheng, Xiao Hu, Zhen Xiang

arxiv:2504.18569 v1 · 2025-04-22 · cs.CR · cs.AI · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RUZ77DU5IUDZJY6FXILXUYVIPZ}

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	2026-07-05T10:54:17.341840Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8d33ff8e9d450794e3c5ba177a62a87e64bb07e6e486a2c8a046d318529bbe82

Aliases

arxiv: 2504.18569 · arxiv_version: 2504.18569v1 · doi: 10.48550/arxiv.2504.18569 · pith_short_12: RUZ77DU5IUDZ · pith_short_16: RUZ77DU5IUDZJY6F · pith_short_8: RUZ77DU5

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/RUZ77DU5IUDZJY6FXILXUYVIPZ \
  | 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: 8d33ff8e9d450794e3c5ba177a62a87e64bb07e6e486a2c8a046d318529bbe82

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c654a15e56d848738a6a4ef6c2d6c0291e96c7338d03041b21b1646593d8ea53",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2025-04-22T03:18:36Z",
    "title_canon_sha256": "637d1f022eab6b15d88490853ca19e15039516d26d345710ccb31f236be780fb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.18569",
    "kind": "arxiv",
    "version": 1
  }
}