Pith Number

pith:O4LIBDID

pith:2009:O4LIBDIDTPOTYAGUD7CW2GP4R7

not attested not anchored not stored refs pending

Wavelet Based Volatility Clustering Estimation of Foreign Exchange Rates

A.N.Sekar Iyengar

arxiv:0910.0087 v1 · 2009-10-01 · q-fin.ST · nlin.CD

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{O4LIBDIDTPOTYAGUD7CW2GP4R7}

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	2026-05-18T01:04:59.745399Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7716808d039bdd3c00d41fc56d19fc8fd1cd77535afca1574bead2a4413ba09f

Aliases

arxiv: 0910.0087 · arxiv_version: 0910.0087v1 · doi: 10.48550/arxiv.0910.0087 · pith_short_12: O4LIBDIDTPOT · pith_short_16: O4LIBDIDTPOTYAGU · pith_short_8: O4LIBDID

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/O4LIBDIDTPOTYAGUD7CW2GP4R7 \
  | 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: 7716808d039bdd3c00d41fc56d19fc8fd1cd77535afca1574bead2a4413ba09f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a3928e9f83b0a76a3c0c3bf7007c113deac7cde716074c21442c2cf873506b72",
    "cross_cats_sorted": [
      "nlin.CD"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-fin.ST",
    "submitted_at": "2009-10-01T06:12:20Z",
    "title_canon_sha256": "a5fc5c4f5655c3e6fac12726f531cded80fdd7b60405979e74a4fbe98691966d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0910.0087",
    "kind": "arxiv",
    "version": 1
  }
}