Pith Number

pith:MLQJMC6Q

pith:2022:MLQJMC6QXXISZSX4K3ZTCJ5YFC

not attested not anchored not stored refs pending

Diffuse ultrasound computed tomography for medical imaging

Andreas Fichtner, Andrea Zunino, Christian Boehm, Cyrill B\"osch, Ines Elisa Ulrich

arxiv:2201.09509 v1 · 2022-01-24 · physics.med-ph · physics.geo-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{MLQJMC6QXXISZSX4K3ZTCJ5YFC}

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	2026-07-05T03:50:58.124400Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

62e0960bd0bdd12ccafc56f33127b828a819d903cb0e4b14e7642fff2e7fb5b9

Aliases

arxiv: 2201.09509 · arxiv_version: 2201.09509v1 · doi: 10.48550/arxiv.2201.09509 · pith_short_12: MLQJMC6QXXIS · pith_short_16: MLQJMC6QXXISZSX4 · pith_short_8: MLQJMC6Q

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/MLQJMC6QXXISZSX4K3ZTCJ5YFC \
  | 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: 62e0960bd0bdd12ccafc56f33127b828a819d903cb0e4b14e7642fff2e7fb5b9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "66907bc14599f18a0e5f3a66dd8b3c971fc1f8ce68c983c5e555faef5c642b45",
    "cross_cats_sorted": [
      "physics.geo-ph"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.med-ph",
    "submitted_at": "2022-01-24T08:05:33Z",
    "title_canon_sha256": "cbd7c780ffd28466fe28c75831cdc00f392a22d26faeb65b779efca78a0de970"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2201.09509",
    "kind": "arxiv",
    "version": 1
  }
}