Pith Number

pith:WSZX6XYF

pith:2011:WSZX6XYFWTDCKGKDMCT5SGYJ74

not attested not anchored not stored refs pending

An analytical performance comparison of exchanged traded funds with index funds: 2002-2010

Mohammad Sharifzadeh, Simin Hojat

arxiv:1111.0389 v1 · 2011-11-02 · 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{WSZX6XYFWTDCKGKDMCT5SGYJ74}

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	2026-05-18T04:09:45.079915Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b4b37f5f05b4c625194360a7d91b09ff2eb5fc3e0e32a0060eaac5adc3c74551

Aliases

arxiv: 1111.0389 · arxiv_version: 1111.0389v1 · doi: 10.48550/arxiv.1111.0389 · pith_short_12: WSZX6XYFWTDC · pith_short_16: WSZX6XYFWTDCKGKD · pith_short_8: WSZX6XYF

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/WSZX6XYFWTDCKGKDMCT5SGYJ74 \
  | 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: b4b37f5f05b4c625194360a7d91b09ff2eb5fc3e0e32a0060eaac5adc3c74551

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e7a0d3189511529865fefbbe064c4b472aee4ad17cee065bdef7a07d1c7779ac",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-fin.PM",
    "submitted_at": "2011-11-02T05:10:42Z",
    "title_canon_sha256": "9b584cef8ac0ec9fd587ac56e847c700762cd77875d4b35077f3a2e0d9d6444d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1111.0389",
    "kind": "arxiv",
    "version": 1
  }
}