Pith Number

pith:HMGLRVW4

pith:2012:HMGLRVW4EY2CYAAJMERNPJ7XIE

not attested not anchored not stored refs pending

Cine cone beam CT reconstruction using low-rank matrix factorization: algorithm and a proof-of-princple study

Hao Gao, Hongkai Zhao, Jian-Feng Cai, Steve B. Jiang, Xun Jia, Zuowei Shen

arxiv:1204.3595 v1 · 2012-04-16 · 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{HMGLRVW4EY2CYAAJMERNPJ7XIE}

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	2026-05-18T03:57:51.136369Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3b0cb8d6dc26342c00096122d7a7f7413edfed3b4b7523742168b6a83447c01c

Aliases

arxiv: 1204.3595 · arxiv_version: 1204.3595v1 · doi: 10.48550/arxiv.1204.3595 · pith_short_12: HMGLRVW4EY2C · pith_short_16: HMGLRVW4EY2CYAAJ · pith_short_8: HMGLRVW4

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/HMGLRVW4EY2CYAAJMERNPJ7XIE \
  | 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: 3b0cb8d6dc26342c00096122d7a7f7413edfed3b4b7523742168b6a83447c01c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ca4f57ee742ff73c76ec4793a35163083b21ec35725e839c4a4d7162a6d79f53",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.med-ph",
    "submitted_at": "2012-04-16T18:47:30Z",
    "title_canon_sha256": "1ec3152a05da4939a24e50e4856f20e63fe457707b54ccdcc0f5bc17de999e74"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.3595",
    "kind": "arxiv",
    "version": 1
  }
}