Pith Number

pith:XRH25SUP

pith:2011:XRH25SUPWVSSWO62FL47VR4M37

not attested not anchored not stored refs pending

Ensuring convergence in total-variation-based reconstruction for accurate microcalcification imaging in breast X-ray CT

Emil Y. Sidky, Jakob H. J{\o}rgensen, Xiaochuan Pan

arxiv:1111.2616 v1 · 2011-11-10 · physics.med-ph · cs.CE · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XRH25SUPWVSSWO62FL47VR4M37}

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	2026-05-18T04:08:33.156892Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bc4faeca8fb5652b3bda2af9fac78cdfe71895fe2374916446bc8b6abaafea0d

Aliases

arxiv: 1111.2616 · arxiv_version: 1111.2616v1 · doi: 10.48550/arxiv.1111.2616 · pith_short_12: XRH25SUPWVSS · pith_short_16: XRH25SUPWVSSWO62 · pith_short_8: XRH25SUP

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/XRH25SUPWVSSWO62FL47VR4M37 \
  | 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: bc4faeca8fb5652b3bda2af9fac78cdfe71895fe2374916446bc8b6abaafea0d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ec40c1fd32c757de29896f174591bed92b4d37af521f1a6de112b90b474943a3",
    "cross_cats_sorted": [
      "cs.CE",
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.med-ph",
    "submitted_at": "2011-11-10T21:17:55Z",
    "title_canon_sha256": "c92189549c19055a40017a5f0550935b9a299be23353b89ce3bc221c51d85e03"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1111.2616",
    "kind": "arxiv",
    "version": 1
  }
}