Pith Number

pith:EPKG564Y

pith:2019:EPKG564YNRZHJ4KHB2OAYRGLRX

not attested not anchored not stored refs pending

Online Learning Algorithms for Quaternion ARMA Model

Chunguang Li, Xiaokun Pu

arxiv:1904.11830 v1 · 2019-04-26 · stat.ML · 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{EPKG564YNRZHJ4KHB2OAYRGLRX}

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	2026-05-17T23:47:40.832082Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

23d46efb986c7274f1470e9c0c44cb8de61311bde7bb31d676cfbd72bfb490d8

Aliases

arxiv: 1904.11830 · arxiv_version: 1904.11830v1 · doi: 10.48550/arxiv.1904.11830 · pith_short_12: EPKG564YNRZH · pith_short_16: EPKG564YNRZHJ4KH · pith_short_8: EPKG564Y

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/EPKG564YNRZHJ4KHB2OAYRGLRX \
  | 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: 23d46efb986c7274f1470e9c0c44cb8de61311bde7bb31d676cfbd72bfb490d8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "322d257bcac5b53c299f12052fb47b063d29e22c31abc48fa6427df62a960e3b",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2019-04-26T13:10:14Z",
    "title_canon_sha256": "48e403ff182e977561ca9b38f34e5fb9d4b40e934fb3ccbd917c96507ccbb627"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.11830",
    "kind": "arxiv",
    "version": 1
  }
}