Pith Number

pith:BRBYJZ62

pith:2010:BRBYJZ62IC5L4YW5VBSGDB6SEB

not attested not anchored not stored refs pending

GPU-based Fast Cone Beam CT Reconstruction from Undersampled and Noisy Projection Data via Total Variation

Ruijiang Li, Steve B. Jiang, William Y. Song, Xun Jia, Yifei Lou

arxiv:1002.3675 v2 · 2010-02-19 · 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{BRBYJZ62IC5L4YW5VBSGDB6SEB}

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	2026-05-18T02:08:59.105266Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0c4384e7da40babe62dda8646187d22049b1b48ffccd698f562561b1e5478c69

Aliases

arxiv: 1002.3675 · arxiv_version: 1002.3675v2 · doi: 10.48550/arxiv.1002.3675 · pith_short_12: BRBYJZ62IC5L · pith_short_16: BRBYJZ62IC5L4YW5 · pith_short_8: BRBYJZ62

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/BRBYJZ62IC5L4YW5VBSGDB6SEB \
  | 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: 0c4384e7da40babe62dda8646187d22049b1b48ffccd698f562561b1e5478c69

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6524bc8308ddcf7c9805db80077499dfe3a98909540f8635844c096e6982a018",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.med-ph",
    "submitted_at": "2010-02-19T07:17:09Z",
    "title_canon_sha256": "f0cbf8b66f5114e17493a199952c4f64e99305176ff8b59aa2a1487094939901"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1002.3675",
    "kind": "arxiv",
    "version": 2
  }
}