Pith Number

pith:NO4SN5OL

pith:2012:NO4SN5OLQK6TUDG2G62LNAESWN

not attested not anchored not stored refs pending

On Hurst exponent estimation under heavy-tailed distributions

Jozef Barunik, Ladislav Kristoufek

arxiv:1201.4786 v1 · 2012-01-23 · 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{NO4SN5OLQK6TUDG2G62LNAESWN}

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	2026-05-18T04:04:05.193396Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6bb926f5cb82bd3a0cda37b4b68092b377fcf6b6b9e8b3fed672e58d5f6301f3

Aliases

arxiv: 1201.4786 · arxiv_version: 1201.4786v1 · doi: 10.48550/arxiv.1201.4786 · pith_short_12: NO4SN5OLQK6T · pith_short_16: NO4SN5OLQK6TUDG2 · pith_short_8: NO4SN5OL

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/NO4SN5OLQK6TUDG2G62LNAESWN \
  | 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: 6bb926f5cb82bd3a0cda37b4b68092b377fcf6b6b9e8b3fed672e58d5f6301f3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f4bf45c8dd62afb301aaef7280ffa2dc09701c5364c453fc796d6ab66061921f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-fin.ST",
    "submitted_at": "2012-01-23T17:49:40Z",
    "title_canon_sha256": "561cc3207223778056b6ceb09104caf150adbc88c7b9be411539f2847a51c810"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.4786",
    "kind": "arxiv",
    "version": 1
  }
}