Pith Number

pith:Y5FZV35Y

pith:2023:Y5FZV35YUKDM6QX65N5PZIRBXQ

not attested not anchored not stored refs pending

Tomographic imaging of microvasculature with a purpose-designed, polymeric X-ray contrast agent

Bernhard Spingler, Bert M\"uller, Georg Schulz, Ngoc An Le, Vartan Kurtcuoglu, Willy Kuo

arxiv:2301.06351 v1 · 2023-01-16 · q-bio.TO · physics.med-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Y5FZV35YUKDM6QX65N5PZIRBXQ}

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	2026-07-05T05:33:30.621327Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c74b9aefb8a286cf42feeb7afca221bc10d92033a907fc27fb62157eb5c0e932

Aliases

arxiv: 2301.06351 · arxiv_version: 2301.06351v1 · doi: 10.48550/arxiv.2301.06351 · pith_short_12: Y5FZV35YUKDM · pith_short_16: Y5FZV35YUKDM6QX6 · pith_short_8: Y5FZV35Y

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/Y5FZV35YUKDM6QX65N5PZIRBXQ \
  | 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: c74b9aefb8a286cf42feeb7afca221bc10d92033a907fc27fb62157eb5c0e932

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "725635f05b4a88067a16d972c6a0d7e3cada221d10e5ec7caff017ec2d4e8aca",
    "cross_cats_sorted": [
      "physics.med-ph"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "q-bio.TO",
    "submitted_at": "2023-01-16T10:49:41Z",
    "title_canon_sha256": "4db5fc03875f74a1064a86fa205f77c5582c3746fa55dda4da61bf6402eb4461"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2301.06351",
    "kind": "arxiv",
    "version": 1
  }
}