Pith Number

pith:KOAZDZFJ

pith:2025:KOAZDZFJ3ATMXGOGZN7H2V7U3J

not attested not anchored not stored refs pending

Physics-informed 4D X-ray image reconstruction from ultra-sparse spatiotemporal data

Pablo Villanueva-Perez, Robert Kl\"ofkorn, Tobias Ritschel, Yuhe Zhang, Zhe Hu, Zisheng Yao

arxiv:2504.03469 v1 · 2025-04-04 · eess.IV · cs.AI · physics.data-an

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KOAZDZFJ3ATMXGOGZN7H2V7U3J}

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.

Cited by

1 paper in Pith

VASTO: Simultaneous recovery of vascular geometry and blood flow via differentiable topology optimization

Receipt and verification

First computed	2026-07-05T10:44:32.598639Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

538191e4a9d826cb99c6cb7e7d57f4da576b6d1163b129a14a47e5266292e9f5

Aliases

arxiv: 2504.03469 · arxiv_version: 2504.03469v1 · doi: 10.48550/arxiv.2504.03469 · pith_short_12: KOAZDZFJ3ATM · pith_short_16: KOAZDZFJ3ATMXGOG · pith_short_8: KOAZDZFJ

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/KOAZDZFJ3ATMXGOGZN7H2V7U3J \
  | 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: 538191e4a9d826cb99c6cb7e7d57f4da576b6d1163b129a14a47e5266292e9f5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3a55d6b5f4f0e8bb0f17793068ce52947db35c43bbfb131a81212973a37dfee6",
    "cross_cats_sorted": [
      "cs.AI",
      "physics.data-an"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "eess.IV",
    "submitted_at": "2025-04-04T14:18:51Z",
    "title_canon_sha256": "c0683d8ad06619708c78266cdb4451877048c27999763ddd9185ec9fd8519d68"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.03469",
    "kind": "arxiv",
    "version": 1
  }
}