Pith Number

pith:QQ27WD4G

pith:2017:QQ27WD4GTJTABL3RW77VV5B57C

not attested not anchored not stored refs pending

Intelligent Parameter Tuning in Optimization-based Iterative CT Reconstruction via Deep Reinforcement Learning

Chenyang Shen, Liyuan Chen, Steve B. Jiang, Xun Jia, Yesenia Gonzalez

arxiv:1711.00414 v1 · 2017-11-01 · 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{QQ27WD4GTJTABL3RW77VV5B57C}

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	2026-05-18T00:31:32.142644Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8435fb0f869a6600af71b7ff5af43df8899139b6bb67e7a2070dbcbb89de005c

Aliases

arxiv: 1711.00414 · arxiv_version: 1711.00414v1 · doi: 10.48550/arxiv.1711.00414 · pith_short_12: QQ27WD4GTJTA · pith_short_16: QQ27WD4GTJTABL3R · pith_short_8: QQ27WD4G

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/QQ27WD4GTJTABL3RW77VV5B57C \
  | 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: 8435fb0f869a6600af71b7ff5af43df8899139b6bb67e7a2070dbcbb89de005c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cf489f98f61107389ea2d6ff3ad09aab2824288be4ec5369842f40fa32969fc1",
    "cross_cats_sorted": [
      "cs.CV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.med-ph",
    "submitted_at": "2017-11-01T16:04:24Z",
    "title_canon_sha256": "0114a672c729cfc62a6ef442ea29f960d019c047980882d08913ce9a7f1e224d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1711.00414",
    "kind": "arxiv",
    "version": 1
  }
}