Pith Number

pith:VQW2ICIH

pith:2016:VQW2ICIHYOTXQGZHAHZRVEO54C

not attested not anchored not stored refs pending

Sparse transition matrix estimation for high-dimensional and locally stationary vector autoregressive models

Xiaohui Chen, Xin Ding, Ziyi Qiu

arxiv:1604.04002 v5 · 2016-04-14 · math.ST · stat.AP · 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{VQW2ICIHYOTXQGZHAHZRVEO54C}

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	2026-05-18T00:34:00.041718Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ac2da40907c3a7781b2701f31a91dde0b112873043e27f082257e4ee4b76d7d5

Aliases

arxiv: 1604.04002 · arxiv_version: 1604.04002v5 · doi: 10.48550/arxiv.1604.04002 · pith_short_12: VQW2ICIHYOTX · pith_short_16: VQW2ICIHYOTXQGZH · pith_short_8: VQW2ICIH

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/VQW2ICIHYOTXQGZHAHZRVEO54C \
  | 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: ac2da40907c3a7781b2701f31a91dde0b112873043e27f082257e4ee4b76d7d5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "477f7e7817c0cb143a84ab7339a9452308db819d952bbe75c47b20cba1bd40c0",
    "cross_cats_sorted": [
      "stat.AP",
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.ST",
    "submitted_at": "2016-04-14T00:37:59Z",
    "title_canon_sha256": "9a8d5e1f7132a65689720182d2033e6d4df0fcd6c1142bf60af56ae16092ce91"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1604.04002",
    "kind": "arxiv",
    "version": 5
  }
}