Pith Number

pith:G373YLQP

pith:2016:G373YLQPPSTYFPCNZ6ZOBSJGHO

not attested not anchored not stored refs pending

Entropy and efficiency of the ETF market

Fulvio Corsi, Lucio Maria Calcagnile, Stefano Marmi

arxiv:1609.04199 v1 · 2016-09-14 · 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{G373YLQPPSTYFPCNZ6ZOBSJGHO}

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	2026-05-18T01:04:38.634539Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

36ffbc2e0f7ca782bc4dcfb2e0c9263b8a47300a9dc84f4ff6a8c23522cdee91

Aliases

arxiv: 1609.04199 · arxiv_version: 1609.04199v1 · doi: 10.48550/arxiv.1609.04199 · pith_short_12: G373YLQPPSTY · pith_short_16: G373YLQPPSTYFPCN · pith_short_8: G373YLQP

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/G373YLQPPSTYFPCNZ6ZOBSJGHO \
  | 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: 36ffbc2e0f7ca782bc4dcfb2e0c9263b8a47300a9dc84f4ff6a8c23522cdee91

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "85b4e3e69d6da5f29988655a4cc601485dc2c6add6da7680b8a08e8c20dc5652",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-fin.ST",
    "submitted_at": "2016-09-14T10:11:36Z",
    "title_canon_sha256": "129454be4b2d0a116421974cc990cb5dcf47f28f5292f335a895fb7fe7f7d9ba"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1609.04199",
    "kind": "arxiv",
    "version": 1
  }
}