Pith Number

pith:NWDGJ2I6

pith:2026:NWDGJ2I63VROFMBBJV3KVAA5HJ

not attested not anchored not stored refs pending

From Baseline to Follow-Up: Counterfactual Spine DXA Image Synthesis in UK Biobank Using a Causal Hierarchical Variational Autoencoder

Nicholas C. Harvey, Nicholas R. Fuggle, Rahman Attar, Yilin Zhang

arxiv:2605.22649 v1 · 2026-05-21 · cs.CV · 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{NWDGJ2I63VROFMBBJV3KVAA5HJ}

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	2026-05-22T02:04:48.099794Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6d8664e91edd62e2b0214d76aa801d3a4eb2de77caae136e647ccb3562a4ede2

Aliases

arxiv: 2605.22649 · arxiv_version: 2605.22649v1 · doi: 10.48550/arxiv.2605.22649 · pith_short_12: NWDGJ2I63VRO · pith_short_16: NWDGJ2I63VROFMBB · pith_short_8: NWDGJ2I6

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/NWDGJ2I63VROFMBBJV3KVAA5HJ \
  | 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: 6d8664e91edd62e2b0214d76aa801d3a4eb2de77caae136e647ccb3562a4ede2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5b6178f6b7879714b712df40c474a312f06f4f837f47c9b85b4b71d1d553d2c9",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2026-05-21T15:53:44Z",
    "title_canon_sha256": "176836875ec4a155bc603b4f7bbe85ea645e3de4c06e6d7fb502d78096bdcc44"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.22649",
    "kind": "arxiv",
    "version": 1
  }
}