Pith Number

pith:DKQJFDYK

pith:2018:DKQJFDYK2MVQMZAUDJ4YXG75FM

not attested not anchored not stored refs pending

Fourier analysis perspective for sufficient dimension reduction problem

Rustem Takhanov

arxiv:1808.06191 v1 · 2018-08-19 · cs.LG · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DKQJFDYK2MVQMZAUDJ4YXG75FM}

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	2026-05-18T00:07:45.793631Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1aa0928f0ad32b0664141a798b9bfd2b3aa1e69c61f421c2f1b49ab697095301

Aliases

arxiv: 1808.06191 · arxiv_version: 1808.06191v1 · doi: 10.48550/arxiv.1808.06191 · pith_short_12: DKQJFDYK2MVQ · pith_short_16: DKQJFDYK2MVQMZAU · pith_short_8: DKQJFDYK

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/DKQJFDYK2MVQMZAUDJ4YXG75FM \
  | 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: 1aa0928f0ad32b0664141a798b9bfd2b3aa1e69c61f421c2f1b49ab697095301

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "19fa33f646d669eac3eb56d0a8799a1a6a33234ff1bc2f424c840eeba5f1a2f7",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2018-08-19T09:41:21Z",
    "title_canon_sha256": "ca44adf5d57117fa976490fdf06fa3bf141d1ae47b7c23bec0449e27d946ba09"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.06191",
    "kind": "arxiv",
    "version": 1
  }
}