Pith Number

pith:IVD2NQQX

pith:2018:IVD2NQQXHFS4OJFCY6H2NHMAE5

not attested not anchored not stored refs pending

Few-View CT Reconstruction with Group-Sparsity Regularization

Jiliu Zhou, Peng Bao, Yi Zhang

arxiv:1803.01546 v1 · 2018-03-05 · physics.med-ph · eess.IV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IVD2NQQXHFS4OJFCY6H2NHMAE5}

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	2026-05-18T00:22:00.303625Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4547a6c2173965c724a2c78fa69d80276248d1347b1f9e8a2f4ab75bde4e643e

Aliases

arxiv: 1803.01546 · arxiv_version: 1803.01546v1 · doi: 10.48550/arxiv.1803.01546 · pith_short_12: IVD2NQQXHFS4 · pith_short_16: IVD2NQQXHFS4OJFC · pith_short_8: IVD2NQQX

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/IVD2NQQXHFS4OJFCY6H2NHMAE5 \
  | 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: 4547a6c2173965c724a2c78fa69d80276248d1347b1f9e8a2f4ab75bde4e643e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "27cb7c532b2fab7730d0c8ae915a0d5038e96e0f607796c6d5e0c7eef8c2c160",
    "cross_cats_sorted": [
      "eess.IV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.med-ph",
    "submitted_at": "2018-03-05T08:12:20Z",
    "title_canon_sha256": "8cd4529d97007f5687fe04af4d131b6b9a735ba0a88ac3535a7a316304d876a0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.01546",
    "kind": "arxiv",
    "version": 1
  }
}