Pith Number

pith:OVU5EZBI

pith:2014:OVU5EZBIZKIBY2L24TKUGBQWQD

not attested not anchored not stored refs pending

Spectrum-based estimators of the bivariate Hurst exponent

Ladislav Kristoufek

arxiv:1408.6637 v2 · 2014-08-28 · q-fin.ST · physics.data-an

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OVU5EZBIZKIBY2L24TKUGBQWQD}

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	2026-05-18T02:31:37.919639Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7569d26428ca901c697ae4d543061680e582464950dfcce40f33599718b5f6df

Aliases

arxiv: 1408.6637 · arxiv_version: 1408.6637v2 · doi: 10.48550/arxiv.1408.6637 · pith_short_12: OVU5EZBIZKIB · pith_short_16: OVU5EZBIZKIBY2L2 · pith_short_8: OVU5EZBI

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/OVU5EZBIZKIBY2L24TKUGBQWQD \
  | 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: 7569d26428ca901c697ae4d543061680e582464950dfcce40f33599718b5f6df

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2f3a142810411b01bfaecca9d4a1d7e83039e4070d4019eeef643fd310d83e41",
    "cross_cats_sorted": [
      "physics.data-an"
    ],
    "license": "http://creativecommons.org/licenses/by/3.0/",
    "primary_cat": "q-fin.ST",
    "submitted_at": "2014-08-28T07:41:14Z",
    "title_canon_sha256": "28b71da41dc9a90f1c17306464154c7a9f8e08acb141f67c46aeff97b70220f4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1408.6637",
    "kind": "arxiv",
    "version": 2
  }
}