Pith Number

pith:7RPWGQVQ

pith:2019:7RPWGQVQ2FDGKGTJBA3HKKQAAJ

not attested not anchored not stored refs pending

Discrete time portfolio optimisation managing value at risk under heavy tail return distribution

Diganta Mukherjee, Subhojit Biswas

arxiv:1908.03907 v2 · 2019-08-11 · q-fin.PM · q-fin.MF

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7RPWGQVQ2FDGKGTJBA3HKKQAAJ}

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	2026-07-05T01:55:27.653096Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fc5f6342b0d146651a690836752a0002772614b7e71d71fa2751a017e8814d1a

Aliases

arxiv: 1908.03907 · arxiv_version: 1908.03907v2 · doi: 10.48550/arxiv.1908.03907 · pith_short_12: 7RPWGQVQ2FDG · pith_short_16: 7RPWGQVQ2FDGKGTJ · pith_short_8: 7RPWGQVQ

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/7RPWGQVQ2FDGKGTJBA3HKKQAAJ \
  | 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: fc5f6342b0d146651a690836752a0002772614b7e71d71fa2751a017e8814d1a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bb2b53987f5b0f5bbb78ef8c0bb5999e01f951360a89f5a6d76ca9c41f426894",
    "cross_cats_sorted": [
      "q-fin.MF"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-fin.PM",
    "submitted_at": "2019-08-11T13:27:04Z",
    "title_canon_sha256": "96194b6040d6e30e2949376a61ad3b7bd847c4581e0299cf34ba0e752db2ce6d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.03907",
    "kind": "arxiv",
    "version": 2
  }
}