Pith Number

pith:NZMR3VGF

pith:2018:NZMR3VGFQOAEUN23MQS6VPPMB3

not attested not anchored not stored refs pending

Sparse-View CT Reconstruction via Convolutional Sparse Coding

Jiliu Zhou, Kang Yang, Peng Bao, Wenjun Xia, Yi Zhang

arxiv:1810.06228 v1 · 2018-10-15 · physics.med-ph · cs.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NZMR3VGFQOAEUN23MQS6VPPMB3}

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	2026-05-18T00:03:21.059685Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6e591dd4c583804a375b6425eabdec0ecdaf7526bea4c9bb34aeb8c1c65b1d02

Aliases

arxiv: 1810.06228 · arxiv_version: 1810.06228v1 · doi: 10.48550/arxiv.1810.06228 · pith_short_12: NZMR3VGFQOAE · pith_short_16: NZMR3VGFQOAEUN23 · pith_short_8: NZMR3VGF

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/NZMR3VGFQOAEUN23MQS6VPPMB3 \
  | 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: 6e591dd4c583804a375b6425eabdec0ecdaf7526bea4c9bb34aeb8c1c65b1d02

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e6fb6d90ec69434a07f7ac7883922f7f109fb4f2a600ea8e44c9d4094ee74771",
    "cross_cats_sorted": [
      "cs.CV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.med-ph",
    "submitted_at": "2018-10-15T08:50:25Z",
    "title_canon_sha256": "eb5cc3fd3eaa3fd1914ea0906a6f16614590d21a421497e14d51ef21db883b5e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.06228",
    "kind": "arxiv",
    "version": 1
  }
}