Pith Number

pith:56PQFWQJ

pith:2019:56PQFWQJZNWOJWH7IO2TYWXJMB

not attested not anchored not stored refs pending

Non-Linear Non-Stationary Heteroscedasticity Volatility for Tracking of Jump Processes

Ehsan Hajiramezanali, Seyyed Hamed Fouladi

arxiv:1902.04499 v1 · 2019-02-12 · 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{56PQFWQJZNWOJWH7IO2TYWXJMB}

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	2026-05-17T23:54:12.125993Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ef9f02da09cb6ce4d8ff43b53c5ae96067eecfe6a7c35829b69d464aefc8f22e

Aliases

arxiv: 1902.04499 · arxiv_version: 1902.04499v1 · doi: 10.48550/arxiv.1902.04499 · pith_short_12: 56PQFWQJZNWO · pith_short_16: 56PQFWQJZNWOJWH7 · pith_short_8: 56PQFWQJ

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/56PQFWQJZNWOJWH7IO2TYWXJMB \
  | 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: ef9f02da09cb6ce4d8ff43b53c5ae96067eecfe6a7c35829b69d464aefc8f22e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0810ac8176024cc65da746c39266ce27d4763a211a4b03362f87753613849056",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.AP",
    "submitted_at": "2019-02-12T17:04:06Z",
    "title_canon_sha256": "1ac8d6529e1dabd14990d16f4263f8e25109027bf405fa688adf2210fd159507"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.04499",
    "kind": "arxiv",
    "version": 1
  }
}