Pith Number

pith:OY34LDWQ

pith:2025:OY34LDWQHTQVJRXAFPJF5GNG74

not attested not anchored not stored refs pending

Beyond De-Identification: A Structured Approach for Defining and Detecting Indirect Identifiers in Medical Texts

Ibrahim Baroud, Lisa Raithel, Roland Roller, Sebastian M\"oller

arxiv:2502.13342 v1 · 2025-02-18 · 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{OY34LDWQHTQVJRXAFPJF5GNG74}

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	2026-07-05T10:16:45.632467Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7637c58ed03ce154c6e02bd25e99a6ff1f52e985c5f2afa5f63a59cc1d8de382

Aliases

arxiv: 2502.13342 · arxiv_version: 2502.13342v1 · doi: 10.48550/arxiv.2502.13342 · pith_short_12: OY34LDWQHTQV · pith_short_16: OY34LDWQHTQVJRXA · pith_short_8: OY34LDWQ

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/OY34LDWQHTQVJRXAFPJF5GNG74 \
  | 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: 7637c58ed03ce154c6e02bd25e99a6ff1f52e985c5f2afa5f63a59cc1d8de382

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f4c7976db5cc7a9873cd18e221889fc04b54f7d01710e15f577dbde9d524df40",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2025-02-18T23:52:29Z",
    "title_canon_sha256": "6bf2c3f37c5591ae52e5238451366850b3a226b1398e58f5367fe3398e7d599f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.13342",
    "kind": "arxiv",
    "version": 1
  }
}