Pith Number

pith:2B5UUNC5

pith:2022:2B5UUNC5QHFXWIYDE5HBKG3HEY

not attested not anchored not stored refs pending

Sparse-view Cone Beam CT Reconstruction using Data-consistent Supervised and Adversarial Learning from Scarce Training Data

Anish Lahiri, Jeffrey A. Fessler, Marc Klasky, Saiprasad Ravishankar

arxiv:2201.09318 v1 · 2022-01-23 · cs.CV · eess.IV · eess.SP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2B5UUNC5QHFXWIYDE5HBKG3HEY}

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	2026-07-05T03:50:56.299114Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d07b4a345d81cb7b2303274e151b6726293b5ce2598f7bd53bfe530ee4880ab2

Aliases

arxiv: 2201.09318 · arxiv_version: 2201.09318v1 · doi: 10.48550/arxiv.2201.09318 · pith_short_12: 2B5UUNC5QHFX · pith_short_16: 2B5UUNC5QHFXWIYD · pith_short_8: 2B5UUNC5

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/2B5UUNC5QHFXWIYDE5HBKG3HEY \
  | 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: d07b4a345d81cb7b2303274e151b6726293b5ce2598f7bd53bfe530ee4880ab2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c297c0ce8612558349058e4dd005ccdecebc08b37c7c1b5719b702bf56ca72af",
    "cross_cats_sorted": [
      "eess.IV",
      "eess.SP"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2022-01-23T17:08:52Z",
    "title_canon_sha256": "b93c370d6769f7e2bebfd8f30e799143095a3534d121845f6f1b91f0bca596b1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2201.09318",
    "kind": "arxiv",
    "version": 1
  }
}