Pith Number

pith:Z3AHKJJM

pith:2015:Z3AHKJJM4UJHOMOI3VPNLWBX7G

not attested not anchored not stored refs pending

Estimating the extremal index through local dependence

Helena Ferreira, Marta Ferreira

arxiv:1505.02077 v1 · 2015-05-08 · math.ST · 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{Z3AHKJJM4UJHOMOI3VPNLWBX7G}

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	2026-05-18T02:16:37.992788Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cec075252ce5127731c8dd5ed5d837f9b3f97199df3704a06ec3747e2ef0f5c1

Aliases

arxiv: 1505.02077 · arxiv_version: 1505.02077v1 · doi: 10.48550/arxiv.1505.02077 · pith_short_12: Z3AHKJJM4UJH · pith_short_16: Z3AHKJJM4UJHOMOI · pith_short_8: Z3AHKJJM

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/Z3AHKJJM4UJHOMOI3VPNLWBX7G \
  | 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: cec075252ce5127731c8dd5ed5d837f9b3f97199df3704a06ec3747e2ef0f5c1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f2a4a5b5a780e18e30fc2d0a8fffde327ac1af9242448a6933d9649ec9b3a2ba",
    "cross_cats_sorted": [
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.ST",
    "submitted_at": "2015-05-08T16:02:06Z",
    "title_canon_sha256": "e1de55c0627b64c736b680b1e5938685972b7ed6e8982d62d7e9ce2d0e9e4bed"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.02077",
    "kind": "arxiv",
    "version": 1
  }
}