Pith Number

pith:7RUJDF22

pith:2021:7RUJDF22OKWZ7DLEQJRYQ43P4A

not attested not anchored not stored refs pending

AI-Enabled Ultra-Low-Dose CT Reconstruction

Chuang Niu, Ge Wang, Hengyong Yu, Mannu Kalra, Shadi Ebrahimian, Weiwen Wu

arxiv:2106.09834 v1 · 2021-06-17 · eess.IV · cs.CV · 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{7RUJDF22OKWZ7DLEQJRYQ43P4A}

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	2026-07-05T02:50:21.381032Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fc6891975a72ad9f8d64826388736fe031866d544ea18071cca828d12e03fdaa

Aliases

arxiv: 2106.09834 · arxiv_version: 2106.09834v1 · doi: 10.48550/arxiv.2106.09834 · pith_short_12: 7RUJDF22OKWZ · pith_short_16: 7RUJDF22OKWZ7DLE · pith_short_8: 7RUJDF22

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/7RUJDF22OKWZ7DLEQJRYQ43P4A \
  | 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: fc6891975a72ad9f8d64826388736fe031866d544ea18071cca828d12e03fdaa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d680336db57c120f349fb803e56d36cc120d248b799e4e2a8c31df26170f0ccf",
    "cross_cats_sorted": [
      "cs.CV",
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.IV",
    "submitted_at": "2021-06-17T22:13:11Z",
    "title_canon_sha256": "2c8dbda60bd39d06ada07bfcb1194a7466904e9d008e90b17e4f3b74a764966f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2106.09834",
    "kind": "arxiv",
    "version": 1
  }
}