Pith Number

pith:DZS3ILOZ

pith:2017:DZS3ILOZ3MGKYQPZ6UGYXJYRUW

not attested not anchored not stored refs pending

Controlled Wavelet Domain Sparsity in X-ray Tomography

Juho Rimpel\"ainen, Samuli Siltanen, Tatiana Bubba, Zenith Purisha

arxiv:1703.09798 v2 · 2017-03-28 · math.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DZS3ILOZ3MGKYQPZ6UGYXJYRUW}

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	2026-05-18T00:25:58.379610Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1e65b42dd9db0cac41f9f50d8ba711a58e05ddb4311260675422d6f32eede170

Aliases

arxiv: 1703.09798 · arxiv_version: 1703.09798v2 · doi: 10.48550/arxiv.1703.09798 · pith_short_12: DZS3ILOZ3MGK · pith_short_16: DZS3ILOZ3MGKYQPZ · pith_short_8: DZS3ILOZ

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/DZS3ILOZ3MGKYQPZ6UGYXJYRUW \
  | 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: 1e65b42dd9db0cac41f9f50d8ba711a58e05ddb4311260675422d6f32eede170

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cb80554122f480149400c573537b5d43eed53fd779925e2f513d0072c922b0f1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2017-03-28T20:56:29Z",
    "title_canon_sha256": "e45f81767dcca0faa2dee2153c1cf9031edbfd9e68ebcfb2a3860fd9ce5ae636"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.09798",
    "kind": "arxiv",
    "version": 2
  }
}