Pith Number

pith:B7JQLABS

pith:2012:B7JQLABSFNC5UXSIYMP4K5TXFD

not attested not anchored not stored refs pending

Detecting changes in cross-sectional dependence in multivariate time series

Axel B\"ucher, Ivan Kojadinovic, Johan Segers, Tom Rohmer

arxiv:1206.2557 v4 · 2012-06-12 · math.ST · stat.ME · 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{B7JQLABSFNC5UXSIYMP4K5TXFD}

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	2026-05-18T02:42:54.291749Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0fd30580322b45da5e48c31fc5767728fdd91ce1845235544602481de5af284c

Aliases

arxiv: 1206.2557 · arxiv_version: 1206.2557v4 · doi: 10.48550/arxiv.1206.2557 · pith_short_12: B7JQLABSFNC5 · pith_short_16: B7JQLABSFNC5UXSI · pith_short_8: B7JQLABS

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/B7JQLABSFNC5UXSIYMP4K5TXFD \
  | 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: 0fd30580322b45da5e48c31fc5767728fdd91ce1845235544602481de5af284c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ade55e581e135e1cd6108c5f67696ce0ffc377d9655d4f3ea06eef451fcc48d2",
    "cross_cats_sorted": [
      "stat.ME",
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.ST",
    "submitted_at": "2012-06-12T14:59:34Z",
    "title_canon_sha256": "dca30c42053f7143a8aebe26d380538411d5d0486cd1180b7767b21ac37d486d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1206.2557",
    "kind": "arxiv",
    "version": 4
  }
}