Pith Number

pith:NTLPZ3M2

pith:2025:NTLPZ3M2VQHSMP4C37R3ZZCJRY

not attested not anchored not stored refs pending

Pub-Guard-LLM: Detecting Retracted Biomedical Articles with Reliable Explanations

Cemre Zor, Francesca Toni, Gabriel Freedman, Guy Martin, James Kinross, Lihu Chen, Ovidiu Serban, Shuojie Fu, Uddhav Vaghela

arxiv:2502.15429 v5 · 2025-02-21 · 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{NTLPZ3M2VQHSMP4C37R3ZZCJRY}

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	2026-07-05T11:56:53.111983Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6cd6fced9aac0f263f82dfe3bce4498e037a509e1cecccdc14a2dfd4e234ec32

Aliases

arxiv: 2502.15429 · arxiv_version: 2502.15429v5 · doi: 10.48550/arxiv.2502.15429 · pith_short_12: NTLPZ3M2VQHS · pith_short_16: NTLPZ3M2VQHSMP4C · pith_short_8: NTLPZ3M2

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/NTLPZ3M2VQHSMP4C37R3ZZCJRY \
  | 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: 6cd6fced9aac0f263f82dfe3bce4498e037a509e1cecccdc14a2dfd4e234ec32

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fe6371e72692eee74f4cdafe0c30861dc701f2d2b776872f09ff3cad08ee9b5e",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2025-02-21T12:54:56Z",
    "title_canon_sha256": "b7efe59c97dc2f40b2170f66f42dc2343729ba0d3d2e784c4c6874e366d223dd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.15429",
    "kind": "arxiv",
    "version": 5
  }
}