Pith Number

pith:4W5PHQML

pith:2026:4W5PHQMLYAV2YYBDINT4JMT2AL

not attested not anchored not stored refs pending

A foundation-model approach to pediatric headache classification from rs-fMRI

Allison Smith, Alyssa Lebel, Clara Moon, Guilherme S. Imai Aldeia, Julie Shulman, Navil Sethna, Scott Holmes, William G. La Cava

arxiv:2608.07287 v1 · 2026-08-07 · 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{4W5PHQMLYAV2YYBDINT4JMT2AL}

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	2026-08-10T01:14:52.118737Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e5baf3c18bc02bac60234367c4b27a02fbcc1f33e5ca8af9bf18d8272e899946

Aliases

arxiv: 2608.07287 · arxiv_version: 2608.07287v1 · doi: 10.48550/arxiv.2608.07287 · pith_short_12: 4W5PHQMLYAV2 · pith_short_16: 4W5PHQMLYAV2YYBD · pith_short_8: 4W5PHQML

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/4W5PHQMLYAV2YYBDINT4JMT2AL \
  | 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: e5baf3c18bc02bac60234367c4b27a02fbcc1f33e5ca8af9bf18d8272e899946

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4eab8309078cb6f28ff5b38c1729bd281ead23b029bd9f51a39b6452d9ee7816",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-08-07T14:46:57Z",
    "title_canon_sha256": "fe6a32e9965a33228dc9806a7a401ca95600858516503360d66013e5d8ec9604"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2608.07287",
    "kind": "arxiv",
    "version": 1
  }
}