Pith Number

pith:RARAGAXN

pith:2009:RARAGAXNRFAYK6JEPGD6D6XZ4O

not attested not anchored not stored refs pending

Homogeneous Volatility Bridge Estimators

Alexander Saichev, Didier Sornette, Fulvio Corsi, Vladimir Filimonov

arxiv:0912.1617 v1 · 2009-12-08 · q-fin.ST · q-fin.CP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RARAGAXNRFAYK6JEPGD6D6XZ4O}

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	2026-05-18T02:44:32.793592Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

88220302ed89418579247987e1faf9e3be97d35646f8f72836227e2c92dceb56

Aliases

arxiv: 0912.1617 · arxiv_version: 0912.1617v1 · doi: 10.48550/arxiv.0912.1617 · pith_short_12: RARAGAXNRFAY · pith_short_16: RARAGAXNRFAYK6JE · pith_short_8: RARAGAXN

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/RARAGAXNRFAYK6JEPGD6D6XZ4O \
  | 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: 88220302ed89418579247987e1faf9e3be97d35646f8f72836227e2c92dceb56

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "73a20e04f10ea9aabec863db2d0d8afa52be9c04b90f754f2572ca40f2ae60dd",
    "cross_cats_sorted": [
      "q-fin.CP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-fin.ST",
    "submitted_at": "2009-12-08T21:47:01Z",
    "title_canon_sha256": "6cb3ed898b968f1be7f7b22d247f6fb3c697b6f50749f834cd820c4ce6b58223"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0912.1617",
    "kind": "arxiv",
    "version": 1
  }
}