Pith Number

pith:III6GBUQ

pith:2026:III6GBUQIKMIQIYL2A5MDXHMM2

not attested not anchored not stored refs pending

Regularized covariance estimation from partially observed interferometric data

Alessandra Menafoglio, Francesco Casu, Roberta Troilo, Simone Vantini, Teresa Bortolotti

arxiv:2606.19065 v1 · 2026-06-17 · stat.ME · stat.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{III6GBUQIKMIQIYL2A5MDXHMM2}

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	2026-06-19T16:11:55.744476Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4211e30690429888230bd03ac1dcec66b8098b9303172b1c59b0f091de5a9fb9

Aliases

arxiv: 2606.19065 · arxiv_version: 2606.19065v1 · doi: 10.48550/arxiv.2606.19065 · pith_short_12: III6GBUQIKMI · pith_short_16: III6GBUQIKMIQIYL · pith_short_8: III6GBUQ

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/III6GBUQIKMIQIYL2A5MDXHMM2 \
  | 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: 4211e30690429888230bd03ac1dcec66b8098b9303172b1c59b0f091de5a9fb9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "289e11871e254d95ba3e71e7eaa89a21bec4d694e613b246999586bc4500dad6",
    "cross_cats_sorted": [
      "stat.AP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2026-06-17T13:40:02Z",
    "title_canon_sha256": "b5142215a7807a716186c6d95b48078a3c58a2a0c9c8c05c64b7f032b22609a2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.19065",
    "kind": "arxiv",
    "version": 1
  }
}