Pith Number

pith:NZQ5RMXS

pith:2017:NZQ5RMXSBVPVJMEHCAAKYZZQUT

not attested not anchored not stored refs pending

Cleaning the correlation matrix with a denoising autoencoder

Soufiane Hayou

arxiv:1708.02985 v1 · 2017-08-09 · math.ST · stat.TH

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NZQ5RMXSBVPVJMEHCAAKYZZQUT}

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	2026-05-18T00:38:17.544413Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6e61d8b2f20d5f54b0871000ac6730a4d2bb88a56496bca6e4bbc07eaf97baf5

Aliases

arxiv: 1708.02985 · arxiv_version: 1708.02985v1 · doi: 10.48550/arxiv.1708.02985 · pith_short_12: NZQ5RMXSBVPV · pith_short_16: NZQ5RMXSBVPVJMEH · pith_short_8: NZQ5RMXS

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/NZQ5RMXSBVPVJMEHCAAKYZZQUT \
  | 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: 6e61d8b2f20d5f54b0871000ac6730a4d2bb88a56496bca6e4bbc07eaf97baf5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cba530f93e2422d860a71a274df086122be5ddc86e440f9dc01135e05e07a6ef",
    "cross_cats_sorted": [
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.ST",
    "submitted_at": "2017-08-09T19:54:47Z",
    "title_canon_sha256": "e624c05cc4b459af200df88c028edf2771dd392a5b9c9400f486600f9f569e5d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.02985",
    "kind": "arxiv",
    "version": 1
  }
}