Pith Number

pith:UVVMHGYX

pith:2026:UVVMHGYX6AH35MHVI64OG77DXR

not attested not anchored not stored refs pending

From Sparse X-rays to 3D CT: Training-Free Reconstruction with Diffusion Priors

Krista A. Ehinger, Markus Hiller, Tom Drummond, Zhenkai Zhang

arxiv:2606.20763 v1 · 2026-06-18 · eess.IV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UVVMHGYX6AH35MHVI64OG77DXR}

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	2026-06-23T00:11:56.079116Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a56ac39b17f00fbeb0f547b8e37fe3bc4ff04979d489b3c17a897f8b9819a6c0

Aliases

arxiv: 2606.20763 · arxiv_version: 2606.20763v1 · doi: 10.48550/arxiv.2606.20763 · pith_short_12: UVVMHGYX6AH3 · pith_short_16: UVVMHGYX6AH35MHV · pith_short_8: UVVMHGYX

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/UVVMHGYX6AH35MHVI64OG77DXR \
  | 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: a56ac39b17f00fbeb0f547b8e37fe3bc4ff04979d489b3c17a897f8b9819a6c0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "22e6b999c8875bc4005f3886a828490e6c338284e6bdb681ffb2bbb51b0a6f96",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "eess.IV",
    "submitted_at": "2026-06-18T11:51:06Z",
    "title_canon_sha256": "4bed49e8e0f15706876296f905dcb386bb5aa652fb849e905d2566cc26175c80"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.20763",
    "kind": "arxiv",
    "version": 1
  }
}