Pith Number

pith:R5LPOOAK

pith:2026:R5LPOOAK6FMAWDRE3JVZR3Q2V2

not attested not anchored not stored refs pending

BrainNext: A General-Purpose Self-Supervised Foundation Model for Brain MRI Analysis

Abdul Qayyum, Daniel C. Alexander, Moona Mazher, Steven A. Niederer

arxiv:2607.17782 v1 · 2026-07-20 · cs.CV · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{R5LPOOAK6FMAWDRE3JVZR3Q2V2}

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	2026-07-21T02:21:59.907421Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8f56f7380af1580b0e24da6b98ee1aae8dc5d3edb93cfa8bd72a9010ec6c86a7

Aliases

arxiv: 2607.17782 · arxiv_version: 2607.17782v1 · doi: 10.48550/arxiv.2607.17782 · pith_short_12: R5LPOOAK6FMA · pith_short_16: R5LPOOAK6FMAWDRE · pith_short_8: R5LPOOAK

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/R5LPOOAK6FMAWDRE3JVZR3Q2V2 \
  | 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: 8f56f7380af1580b0e24da6b98ee1aae8dc5d3edb93cfa8bd72a9010ec6c86a7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6e08156e5d3e6b76e6c0fd3b16ab689f1d0891c6ecd2ffb7a5aa7e2fbe021754",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2026-07-20T10:15:02Z",
    "title_canon_sha256": "198a2a0f4fb5cc6d09d3b68856cffb6c7842ecb6e6c3fab06db0f94a6ddb8d8d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.17782",
    "kind": "arxiv",
    "version": 1
  }
}