Pith Number

pith:YHF75EXV

pith:2016:YHF75EXVTDGRMTUKF643VNIWEQ

not attested not anchored not stored refs pending

Using Empirical Covariance Matrix in Enhancing Prediction Accuracy of Linear Models with Missing Information

Ahmadreza Moradipari, Ashkan Esmaeili, Farokh Marvasti, Sina Shahsavari

arxiv:1611.07093 v3 · 2016-11-21 · stat.ML · stat.ME

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YHF75EXVTDGRMTUKF643VNIWEQ}

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	2026-05-18T00:39:39.645339Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c1cbfe92f598cd164e8a2fb9bab5162436a3fba01531067611e882d4798abccd

Aliases

arxiv: 1611.07093 · arxiv_version: 1611.07093v3 · doi: 10.48550/arxiv.1611.07093 · pith_short_12: YHF75EXVTDGR · pith_short_16: YHF75EXVTDGRMTUK · pith_short_8: YHF75EXV

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/YHF75EXVTDGRMTUKF643VNIWEQ \
  | 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: c1cbfe92f598cd164e8a2fb9bab5162436a3fba01531067611e882d4798abccd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9fb9d7f4fbd3a55b32e7d63cf788ed525014bb3cefaf1317637bd91899cecba5",
    "cross_cats_sorted": [
      "stat.ME"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2016-11-21T23:07:51Z",
    "title_canon_sha256": "d9247578669a4766b0a1140ef1dd4b9ff2adf8be10eba358b972fff44b85de58"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1611.07093",
    "kind": "arxiv",
    "version": 3
  }
}