Pith Number

pith:MGYQ4LHC

pith:2018:MGYQ4LHCLTAKVPSRUQ3Q3YTWKX

not attested not anchored not stored refs pending

An Expanded Local Variance Gamma model

Andrey Itkin, Peter Carr

arxiv:1802.09611 v2 · 2018-02-26 · q-fin.CP · q-fin.MF · q-fin.PR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MGYQ4LHCLTAKVPSRUQ3Q3YTWKX}

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	2026-05-17T23:57:32.243879Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

61b10e2ce25cc0aabe51a4370de27655f132ada72be480c45f6941752fe679b9

Aliases

arxiv: 1802.09611 · arxiv_version: 1802.09611v2 · doi: 10.48550/arxiv.1802.09611 · pith_short_12: MGYQ4LHCLTAK · pith_short_16: MGYQ4LHCLTAKVPSR · pith_short_8: MGYQ4LHC

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/MGYQ4LHCLTAKVPSRUQ3Q3YTWKX \
  | 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: 61b10e2ce25cc0aabe51a4370de27655f132ada72be480c45f6941752fe679b9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "349f97fb99a4b8be1726cf5d79cee241b1c8d890449d64212aa2ab923a3c67e3",
    "cross_cats_sorted": [
      "q-fin.MF",
      "q-fin.PR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-fin.CP",
    "submitted_at": "2018-02-26T21:16:57Z",
    "title_canon_sha256": "9cea5ca99f32502a15ebf47eb6c5d1ca535c65490b4c38dc8e9d9e8bf143c672"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.09611",
    "kind": "arxiv",
    "version": 2
  }
}