Pith Number

pith:M5O2OK7L

pith:2018:M5O2OK7LYE2LBPJGJONULMOUSI

not attested not anchored not stored refs pending

Tomographic Reconstruction with Spatially Varying Parameter Selection

Carola-Bibiane Sch\"onlieb, Yiqiu Dong

arxiv:1811.10227 v1 · 2018-11-26 · 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{M5O2OK7LYE2LBPJGJONULMOUSI}

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	2026-05-17T23:59:57.038290Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

675da72bebc134b0bd264b9b45b1d4923da578b6e6fd26d2a5e5986941b0f367

Aliases

arxiv: 1811.10227 · arxiv_version: 1811.10227v1 · doi: 10.48550/arxiv.1811.10227 · pith_short_12: M5O2OK7LYE2L · pith_short_16: M5O2OK7LYE2LBPJG · pith_short_8: M5O2OK7L

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/M5O2OK7LYE2LBPJGJONULMOUSI \
  | 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: 675da72bebc134b0bd264b9b45b1d4923da578b6e6fd26d2a5e5986941b0f367

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ed0ac4841b149bca665cc851a8b29b8c34e62da092bc542cc09be3d6d9f06cc4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-11-26T08:24:40Z",
    "title_canon_sha256": "913dc4ee78a4181df7fe387d151a400b0ce95540c39fcbca3015bb0af202b40f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.10227",
    "kind": "arxiv",
    "version": 1
  }
}