Pith Number

pith:D3JC4FDB

pith:2026:D3JC4FDBG5DTPLY6WR5AL3JQES

not attested not anchored not stored refs pending

B[FM]$^2$: Brain Foundation Model via Flow Matching with SplitUNet

Ila Fiete, Jaedong Hwang, Kathleen Zhang, Konstantinos Kontras, Maarten De Vos, Maarten Vanmarcke, Paul Pu Liang, Wei Dai

arxiv:2606.20812 v1 · 2026-06-18 · cs.LG · 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{D3JC4FDBG5DTPLY6WR5AL3JQES}

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	2026-06-23T00:11:59.550234Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1ed22e1461374737af1eb47a05ed3024af9676f419f359744298e95f82114c2d

Aliases

arxiv: 2606.20812 · arxiv_version: 2606.20812v1 · doi: 10.48550/arxiv.2606.20812 · pith_short_12: D3JC4FDBG5DT · pith_short_16: D3JC4FDBG5DTPLY6 · pith_short_8: D3JC4FDB

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/D3JC4FDBG5DTPLY6WR5AL3JQES \
  | 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: 1ed22e1461374737af1eb47a05ed3024af9676f419f359744298e95f82114c2d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f3c9ce0ccb10784159c9ab02faad2bbb8ec716339c2c0f8b8a37c18242b8f9a7",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-06-18T18:01:26Z",
    "title_canon_sha256": "a3fdc365ae79aec49b4cda318adbc5cd3d72efc234890509b4aea1f5d479e98e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.20812",
    "kind": "arxiv",
    "version": 1
  }
}