Pith Number

pith:2TOJWB7Z

pith:2011:2TOJWB7ZTRY35FAS52E4O3W4BS

not attested not anchored not stored refs pending

A new estimator for the tail-dependence coefficient

Marta Ferreira

arxiv:1109.5485 v1 · 2011-09-26 · stat.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2TOJWB7ZTRY35FAS52E4O3W4BS}

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	2026-05-18T04:12:19.674395Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d4dc9b07f99c71be9412ee89c76edc0c81b7744c362229bebc07a8bcf72860c0

Aliases

arxiv: 1109.5485 · arxiv_version: 1109.5485v1 · doi: 10.48550/arxiv.1109.5485 · pith_short_12: 2TOJWB7ZTRY3 · pith_short_16: 2TOJWB7ZTRY35FAS · pith_short_8: 2TOJWB7Z

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/2TOJWB7ZTRY35FAS52E4O3W4BS \
  | 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: d4dc9b07f99c71be9412ee89c76edc0c81b7744c362229bebc07a8bcf72860c0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "63bef97dde1941f52665665902a29cfa4eda9cb46960584dfd7383703990c3cd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.AP",
    "submitted_at": "2011-09-26T08:37:43Z",
    "title_canon_sha256": "d055a922e20e394f4872afc029d76bc39d5cf6472f2cf4e61dc02439894d17bc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.5485",
    "kind": "arxiv",
    "version": 1
  }
}