Pith Number
pith:ATLCI7TU
pith:2018:ATLCI7TUOTEC4ZSUIRVF4YHYFW
not attested
not anchored
not stored
refs pending
Improving the condition number of estimated covariance matrices
arxiv:1810.10984 v4 · 2018-10-25 · math.OC · stat.ME
Add to your LaTeX paper
\usepackage{pith}
\pithnumber{ATLCI7TUOTEC4ZSUIRVF4YHYFW}
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
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claim
4
Citations
5
Replications
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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.
Cited by
Receipt and verification
| First computed | 2026-07-05T00:08:24.527470Z |
|---|---|
| Builder | pith-number-builder-2026-05-17-v1 |
| Signature | Pith Ed25519
(pith-v1-2026-05) · public key |
| Schema | pith-number/v1.0 |
Canonical hash
04d6247e7474c82e6654446a5e60f82da04ff0afa0a76b319c6f3c65156695e9
Aliases
· · · · ·Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/ATLCI7TUOTEC4ZSUIRVF4YHYFW \
| 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: 04d6247e7474c82e6654446a5e60f82da04ff0afa0a76b319c6f3c65156695e9
Canonical record JSON
{
"metadata": {
"abstract_canon_sha256": "e37441942438939fe75493e63cf1ace976e64a86dddb11e12eeea25b962ad1a5",
"cross_cats_sorted": [
"stat.ME"
],
"license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
"primary_cat": "math.OC",
"submitted_at": "2018-10-25T17:18:11Z",
"title_canon_sha256": "46049d60db20e05e7ee169936bdb59e6c66a9af062624235523dea189786e251"
},
"schema_version": "1.0",
"source": {
"id": "1810.10984",
"kind": "arxiv",
"version": 4
}
}