Pith Number

pith:6WFFWACN

pith:2010:6WFFWACNZ4IIVN55WPLNNTVM7N

not attested not anchored not stored refs pending

GPU-based Iterative Cone Beam CT Reconstruction Using Tight Frame Regularization

Bin Dong, Steve B. Jiang, Xun Jia, Yifei Lou

arxiv:1008.2042 v2 · 2010-08-12 · physics.med-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6WFFWACNZ4IIVN55WPLNNTVM7N}

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	2026-05-18T02:05:49.136711Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f58a5b004dcf108ab7bdb3d6d6ceacfb4e302d6ca90a8438678668b2879ce77d

Aliases

arxiv: 1008.2042 · arxiv_version: 1008.2042v2 · doi: 10.48550/arxiv.1008.2042 · pith_short_12: 6WFFWACNZ4II · pith_short_16: 6WFFWACNZ4IIVN55 · pith_short_8: 6WFFWACN

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/6WFFWACNZ4IIVN55WPLNNTVM7N \
  | 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: f58a5b004dcf108ab7bdb3d6d6ceacfb4e302d6ca90a8438678668b2879ce77d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ae93fdf17df692d8f646c67e3c48dcb1863fb1deed08837df985a198c438c663",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.med-ph",
    "submitted_at": "2010-08-12T04:32:43Z",
    "title_canon_sha256": "63a13fb0fb9821999bcf80f228496bee28916a5a2ac6e189d6835db42143827f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1008.2042",
    "kind": "arxiv",
    "version": 2
  }
}