Pith Number

pith:UNU4DKFG

pith:2015:UNU4DKFGIZCWIY4YXNLX23LB6E

not attested not anchored not stored refs pending

Forecasting High-Dimensional Realized Volatility Matrices Using A Factor Model

Jianfeng Yao, Keren Shen, Wai Keung Li

arxiv:1504.03454 v1 · 2015-04-14 · stat.AP · stat.ME

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Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UNU4DKFGIZCWIY4YXNLX23LB6E}

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	2026-05-18T02:18:50.884494Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a369c1a8a64645646398bb577d6d61f11156b4a9276944530fced03b14589b2f

Aliases

arxiv: 1504.03454 · arxiv_version: 1504.03454v1 · doi: 10.48550/arxiv.1504.03454 · pith_short_12: UNU4DKFGIZCW · pith_short_16: UNU4DKFGIZCWIY4Y · pith_short_8: UNU4DKFG

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/UNU4DKFGIZCWIY4YXNLX23LB6E \
  | 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: a369c1a8a64645646398bb577d6d61f11156b4a9276944530fced03b14589b2f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fcc8683911a0cd2c6b5caacb4d5611229f802d20c97dd631ef3fbef70a5383c6",
    "cross_cats_sorted": [
      "stat.ME"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.AP",
    "submitted_at": "2015-04-14T08:43:32Z",
    "title_canon_sha256": "13d396235c717b9695dba0440d743df0bac65faea66ce6d82995cd02d6ebe939"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.03454",
    "kind": "arxiv",
    "version": 1
  }
}