Pith Number

pith:SXU2PFJR

pith:2016:SXU2PFJRRPL577B5FNE77KU5VS

not attested not anchored not stored refs pending

Discrete hierarchy of sizes and performances in the exchange-traded fund universe

Benjamin Vandermarliere, Didier Sornette, Jan Ryckebusch, Koen Schoors, Peter Cauwels

arxiv:1608.08582 v2 · 2016-08-30 · q-fin.GN · q-fin.PM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SXU2PFJRRPL577B5FNE77KU5VS}

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	2026-05-18T00:53:25.508252Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

95e9a795318bd7dffc3d2b49ffaa9dac90497f9ada78d47c794bfa873d6ed1b6

Aliases

arxiv: 1608.08582 · arxiv_version: 1608.08582v2 · doi: 10.48550/arxiv.1608.08582 · pith_short_12: SXU2PFJRRPL5 · pith_short_16: SXU2PFJRRPL577B5 · pith_short_8: SXU2PFJR

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/SXU2PFJRRPL577B5FNE77KU5VS \
  | 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: 95e9a795318bd7dffc3d2b49ffaa9dac90497f9ada78d47c794bfa873d6ed1b6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8e829ad098178929688d1fcc5ae7c0a814f3154231bf5ae70ae3108703f23e11",
    "cross_cats_sorted": [
      "q-fin.PM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-fin.GN",
    "submitted_at": "2016-08-30T18:05:08Z",
    "title_canon_sha256": "8d216fc135033a793a582a5e0c7783672200372fc463f20f6179665770e93e06"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1608.08582",
    "kind": "arxiv",
    "version": 2
  }
}