Pith Number

pith:WMAD7VKC

pith:2016:WMAD7VKC4DDFIXKCH6SQ3N3I4I

not attested not anchored not stored refs pending

Uncertainty Estimates in the Heston Model via Fisher Information

Nils Bertschinger, Oliver Pfante

arxiv:1610.04760 v2 · 2016-10-15 · 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{WMAD7VKC4DDFIXKCH6SQ3N3I4I}

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	2026-05-18T01:01:59.679056Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b3003fd542e0c6545d423fa50db768e222f602407dd7b5f52c28de87515fbb8f

Aliases

arxiv: 1610.04760 · arxiv_version: 1610.04760v2 · doi: 10.48550/arxiv.1610.04760 · pith_short_12: WMAD7VKC4DDF · pith_short_16: WMAD7VKC4DDFIXKC · pith_short_8: WMAD7VKC

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/WMAD7VKC4DDFIXKCH6SQ3N3I4I \
  | 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: b3003fd542e0c6545d423fa50db768e222f602407dd7b5f52c28de87515fbb8f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b6337b197179d049efab77dbe929fcee6dc365d6b7c50330cbab2cfea960b793",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-fin.ST",
    "submitted_at": "2016-10-15T16:31:42Z",
    "title_canon_sha256": "c3d6603f83def8066810d50c6bf0fb546d8ffe78cf98ea49e511cf207494483d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1610.04760",
    "kind": "arxiv",
    "version": 2
  }
}