Pith Number

pith:CA3XJ2O4

pith:2017:CA3XJ2O4YOBP7RWR33PE4MTDMT

not attested not anchored not stored refs pending

Low Dose CT Image Reconstruction With Learned Sparsifying Transform

Jeffrey A. Fessler, Saiprasad Ravishankar, Xuehang Zheng, Yong Long, Zening Lu

arxiv:1707.02914 v1 · 2017-07-10 · stat.ML · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CA3XJ2O4YOBP7RWR33PE4MTDMT}

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	2026-05-18T00:40:35.481946Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

103774e9dcc382ffc6d1dede4e326364caaa999577d2bd444a052303684e1f09

Aliases

arxiv: 1707.02914 · arxiv_version: 1707.02914v1 · doi: 10.48550/arxiv.1707.02914 · pith_short_12: CA3XJ2O4YOBP · pith_short_16: CA3XJ2O4YOBP7RWR · pith_short_8: CA3XJ2O4

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/CA3XJ2O4YOBP7RWR33PE4MTDMT \
  | 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: 103774e9dcc382ffc6d1dede4e326364caaa999577d2bd444a052303684e1f09

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e988abad9f9068c94afbf259be166c6c45a66d0e58799b6a284969fd4a5b7afb",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2017-07-10T15:42:05Z",
    "title_canon_sha256": "7812231201f8661276c87b29d939c7ecb030917b857e16648340926e117a4c94"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.02914",
    "kind": "arxiv",
    "version": 1
  }
}