Pith Number

pith:PPEYYFOD

pith:2018:PPEYYFODXZHSHSM6LPU7WL3S2E

not attested not anchored not stored refs pending

Conditional Tail-Related Risk Estimation Using Composite Asymmetric Least Squares and Empirical Likelihood

Jun Zhao, Liming Shen, Sheng Wu, Yi Zhang

arxiv:1807.01666 v1 · 2018-07-03 · 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{PPEYYFODXZHSHSM6LPU7WL3S2E}

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	2026-05-18T00:11:29.241648Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7bc98c15c3be4f23c99e5be9fb2f72d11331f25a8664edca3dbd7b3e1148bc25

Aliases

arxiv: 1807.01666 · arxiv_version: 1807.01666v1 · doi: 10.48550/arxiv.1807.01666 · pith_short_12: PPEYYFODXZHS · pith_short_16: PPEYYFODXZHSHSM6 · pith_short_8: PPEYYFOD

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/PPEYYFODXZHSHSM6LPU7WL3S2E \
  | 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: 7bc98c15c3be4f23c99e5be9fb2f72d11331f25a8664edca3dbd7b3e1148bc25

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a2f440eabbfd6ac4525bdb61f1b8a4f0a8520cbe9f0066c06891c9346b21b09b",
    "cross_cats_sorted": [
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.ST",
    "submitted_at": "2018-07-03T16:13:36Z",
    "title_canon_sha256": "3f30d50f77fc9b2100fbcae84c13dac009d2982a25bc271767f46f1176e2ac78"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.01666",
    "kind": "arxiv",
    "version": 1
  }
}