Pith Number

pith:CQ22SCXJ

pith:2019:CQ22SCXJPVQZA37Z3ELCHVWMIH

not attested not anchored not stored refs pending

Optimizing contrast and spatial resolution in hard X-ray tomography of medically relevant tissues

Bert M\"uller, Christoph Rau, Georg Schulz, Griffin Rodgers, Hans Deyhle, Timm Weitkamp, Willy Kuo

arxiv:1910.10557 v6 · 2019-10-23 · physics.med-ph · physics.app-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{CQ22SCXJPVQZA37Z3ELCHVWMIH}

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	2026-07-05T00:34:18.877207Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1435a90ae97d61906ff9d91623d6cc41c329ee21185cff9929acb1aee3bfd0a9

Aliases

arxiv: 1910.10557 · arxiv_version: 1910.10557v6 · doi: 10.48550/arxiv.1910.10557 · pith_short_12: CQ22SCXJPVQZ · pith_short_16: CQ22SCXJPVQZA37Z · pith_short_8: CQ22SCXJ

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/CQ22SCXJPVQZA37Z3ELCHVWMIH \
  | 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: 1435a90ae97d61906ff9d91623d6cc41c329ee21185cff9929acb1aee3bfd0a9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "09e6e7f57e8c43688d8258a0c3370cef4453a82d3157cd2b886d9e7aafa57c21",
    "cross_cats_sorted": [
      "physics.app-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.med-ph",
    "submitted_at": "2019-10-23T13:36:26Z",
    "title_canon_sha256": "9279faeb1dbad8b0776abd21cd65f308293bc0fef13d07d0c1fe6e499306742f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1910.10557",
    "kind": "arxiv",
    "version": 6
  }
}