Pith Number

pith:3CYG6QDL

pith:2026:3CYG6QDL3PAVIET6O7OJQTLM2P

not attested not anchored not stored refs pending

BrainRiem: Riemannian Prototype Learning for Source-Free Cross-Site Brain Network Diagnosis

Kunyu Zhang, Tianxiang Xu

arxiv:2606.29200 v1 · 2026-06-28 · 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{3CYG6QDL3PAVIET6O7OJQTLM2P}

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	2026-06-30T01:17:56.924822Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d8b06f406bdbc154127e77dc984d6cd3ff5ea477e497f121cab92763a5ba8324

Aliases

arxiv: 2606.29200 · arxiv_version: 2606.29200v1 · doi: 10.48550/arxiv.2606.29200 · pith_short_12: 3CYG6QDL3PAV · pith_short_16: 3CYG6QDL3PAVIET6 · pith_short_8: 3CYG6QDL

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/3CYG6QDL3PAVIET6O7OJQTLM2P \
  | 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: d8b06f406bdbc154127e77dc984d6cd3ff5ea477e497f121cab92763a5ba8324

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "770eed967c2905ec298ea17a0146744f1060960d188c841cdb28bfbe08513364",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-06-28T04:59:14Z",
    "title_canon_sha256": "51e3aa680c49039fb2653ca57f704310e5a926a812bad099eb14f30ab9550df1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.29200",
    "kind": "arxiv",
    "version": 1
  }
}