Pith Number

pith:MYBZJY6V

pith:2026:MYBZJY6VB2LDTE64YDS3C7ETVN

not attested not anchored not stored refs pending

Robust Expectation-Maximization for Covariance Estimation in SIRV Models with Missing Data: Application to InSAR Time Series

A. Hippert-Ferrer, M. Cherifi, M. N. El Korso, Y. Yan

arxiv:2606.22628 v1 · 2026-06-21 · stat.ME · 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{MYBZJY6VB2LDTE64YDS3C7ETVN}

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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	2026-06-23T02:13:43.487699Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

660394e3d50e963993dcc0e5b17c93ab66b036971c10afd1d2bba24d4a2ee766

Aliases

arxiv: 2606.22628 · arxiv_version: 2606.22628v1 · doi: 10.48550/arxiv.2606.22628 · pith_short_12: MYBZJY6VB2LD · pith_short_16: MYBZJY6VB2LDTE64 · pith_short_8: MYBZJY6V

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/MYBZJY6VB2LDTE64YDS3C7ETVN \
  | 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: 660394e3d50e963993dcc0e5b17c93ab66b036971c10afd1d2bba24d4a2ee766

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "11d3e829904bfbd386248a346ff8e09247e4763805c623448f7279515be26e1d",
    "cross_cats_sorted": [
      "eess.SP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2026-06-21T18:31:05Z",
    "title_canon_sha256": "df5c664460a856e2b29d9fb31b8da22a56bde99ac5279494d98b7455ad82b938"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.22628",
    "kind": "arxiv",
    "version": 1
  }
}