Pith Number

pith:ZVEGRB5R

pith:2015:ZVEGRB5RQDDJZ5J72W62Z54O6C

not attested not anchored not stored refs pending

Impact of non-stationarity on estimating and modeling empirical copulas of daily stock returns

Marcel Wollschl\"ager, Rudi Sch\"afer

arxiv:1506.08054 v1 · 2015-06-26 · q-fin.ST

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZVEGRB5RQDDJZ5J72W62Z54O6C}

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	2026-05-18T00:36:19.877304Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cd486887b180c69cf53fd5bdacf78ef088d3ff5bc8a0036a0f588230561eccc5

Aliases

arxiv: 1506.08054 · arxiv_version: 1506.08054v1 · doi: 10.48550/arxiv.1506.08054 · pith_short_12: ZVEGRB5RQDDJ · pith_short_16: ZVEGRB5RQDDJZ5J7 · pith_short_8: ZVEGRB5R

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/ZVEGRB5RQDDJZ5J72W62Z54O6C \
  | 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: cd486887b180c69cf53fd5bdacf78ef088d3ff5bc8a0036a0f588230561eccc5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8aebc1aea3189f89c650fd1672c46ba2af3b15165febcf216ba487d7ac91a298",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-fin.ST",
    "submitted_at": "2015-06-26T13:19:42Z",
    "title_canon_sha256": "4dab3b79923b7514c7b866321f31c2df7dac64182bcdd616eeacdb4f6e553112"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.08054",
    "kind": "arxiv",
    "version": 1
  }
}