Pith Number

pith:2UE6WUOD

pith:2025:2UE6WUODR3MELQJMN2THQT6NAN

not attested not anchored not stored refs pending

DEFEND: A Large-scale 1M Dataset and Foundation Model for Tobacco Addiction Prevention

Charlotte McCormick, Connor McCurtain, Khoa Luu, Matthew Shepard, Naga VS Raviteja Chappa, Page Daniel Dobbs

arxiv:2501.13950 v1 · 2025-01-20 · cs.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2UE6WUODR3MELQJMN2THQT6NAN}

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	2026-07-05T10:04:43.026277Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d509eb51c38ed845c12c6ea6784fcd035c4c7637e7612506944919b0b6e7c5cd

Aliases

arxiv: 2501.13950 · arxiv_version: 2501.13950v1 · doi: 10.48550/arxiv.2501.13950 · pith_short_12: 2UE6WUODR3ME · pith_short_16: 2UE6WUODR3MELQJM · pith_short_8: 2UE6WUOD

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/2UE6WUODR3MELQJMN2THQT6NAN \
  | 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: d509eb51c38ed845c12c6ea6784fcd035c4c7637e7612506944919b0b6e7c5cd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f02ca8cdd3aab768871c681eb16cb0599c1086fc8d670f50f80dc42a364399b6",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2025-01-20T02:55:46Z",
    "title_canon_sha256": "00a59076980a17ad0e1eedf74326f669f86986db4eabab5c8b4494337bb9fe09"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2501.13950",
    "kind": "arxiv",
    "version": 1
  }
}