Pith Number

pith:KMU5Y7L6

pith:2017:KMU5Y7L637RF7U5TTOY7TL7MEA

not attested not anchored not stored refs pending

Adaptive PCA for Time-Varying Data

John Dingliana, Salaheddin Alakkari

arxiv:1709.02373 v2 · 2017-09-07 · stat.ML · cs.CV · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KMU5Y7L637RF7U5TTOY7TL7MEA}

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	2026-05-18T00:35:30.375820Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5329dc7d7edfe25fd3b39bb1f9afec200597d74ce138a984a7cab9d82bc97744

Aliases

arxiv: 1709.02373 · arxiv_version: 1709.02373v2 · doi: 10.48550/arxiv.1709.02373 · pith_short_12: KMU5Y7L637RF · pith_short_16: KMU5Y7L637RF7U5T · pith_short_8: KMU5Y7L6

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/KMU5Y7L637RF7U5TTOY7TL7MEA \
  | 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: 5329dc7d7edfe25fd3b39bb1f9afec200597d74ce138a984a7cab9d82bc97744

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f415a06a60017a87363124c574dc3405421ea1cd4a3935eabc788f468988ff67",
    "cross_cats_sorted": [
      "cs.CV",
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2017-09-07T17:49:47Z",
    "title_canon_sha256": "ba1e6dea1d9d6b6768614fbfb78da06d59b8a62120208c619eb98a8bfe1c9d48"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.02373",
    "kind": "arxiv",
    "version": 2
  }
}