Pith Number

pith:CPNQ2WKJ

pith:2026:CPNQ2WKJEFGKWTOTBPKYS52T4H

not attested not anchored not stored refs pending

Stochastic Expectation Maximization for Robust State-Space Radio Interferometric Imaging

Isabelle Vin, Mohammed Nabil El Korso, Nawel Arab, Pascal Larzabal

arxiv:2606.23944 v1 · 2026-06-22 · astro-ph.IM · cs.LG · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CPNQ2WKJEFGKWTOTBPKYS52T4H}

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	2026-06-24T00:14:30.951181Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

13db0d5949214cab4dd30bd5897753e1c2809d5a8bf2edfbc67b1d3d9fbb401e

Aliases

arxiv: 2606.23944 · arxiv_version: 2606.23944v1 · doi: 10.48550/arxiv.2606.23944 · pith_short_12: CPNQ2WKJEFGK · pith_short_16: CPNQ2WKJEFGKWTOT · pith_short_8: CPNQ2WKJ

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/CPNQ2WKJEFGKWTOTBPKYS52T4H \
  | 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: 13db0d5949214cab4dd30bd5897753e1c2809d5a8bf2edfbc67b1d3d9fbb401e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f678772d99ccee149ab9fb97acb7037ace49db7d4475030942688db66a71dc94",
    "cross_cats_sorted": [
      "cs.LG",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2026-06-22T21:05:31Z",
    "title_canon_sha256": "4d6434bfeb5357dd854c75996bf8f330dcbce59a5a6b205e95e2b25900d428e9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.23944",
    "kind": "arxiv",
    "version": 1
  }
}