Pith Number

pith:I4MAOPXR

pith:2019:I4MAOPXRYLEVFIC3WQEHS5PDAR

not attested not anchored not stored refs pending

Tracking VIX with VIX Futures: Portfolio Construction and Performance

Brian Ward, Tim Leung

arxiv:1907.00293 v1 · 2019-06-29 · q-fin.RM · q-fin.PM · 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{I4MAOPXRYLEVFIC3WQEHS5PDAR}

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	2026-05-17T23:41:52.198131Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4718073ef1c2c952a05bb4087975e304696160f8fd675e5fca1c2cbd51bc67ff

Aliases

arxiv: 1907.00293 · arxiv_version: 1907.00293v1 · doi: 10.48550/arxiv.1907.00293 · pith_short_12: I4MAOPXRYLEV · pith_short_16: I4MAOPXRYLEVFIC3 · pith_short_8: I4MAOPXR

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/I4MAOPXRYLEVFIC3WQEHS5PDAR \
  | 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: 4718073ef1c2c952a05bb4087975e304696160f8fd675e5fca1c2cbd51bc67ff

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "96fdee488f53be5379764916fa6cdf687f7d09289b2f15f22292010a10c34614",
    "cross_cats_sorted": [
      "q-fin.PM",
      "q-fin.ST"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-fin.RM",
    "submitted_at": "2019-06-29T23:11:24Z",
    "title_canon_sha256": "4ca90c791dcd2f89ba9c719f8caa42d7a4fbc2abf3c8c5ff0366a97b1d0ace38"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.00293",
    "kind": "arxiv",
    "version": 1
  }
}