Pith Number

pith:4RO6WF2Z

pith:2014:4RO6WF2ZYPPGVAOSYP2PWK257U

not attested not anchored not stored refs pending

Factor Models for Alpha Streams

Zura Kakushadze

arxiv:1406.3396 v2 · 2014-06-13 · q-fin.PM · q-fin.RM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4RO6WF2ZYPPGVAOSYP2PWK257U}

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	2026-05-18T02:32:31.596300Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e45deb1759c3de6a81d2c3f4fb2b5dfd14dd5e2b74d6a078d0a04b23ce507cc9

Aliases

arxiv: 1406.3396 · arxiv_version: 1406.3396v2 · doi: 10.48550/arxiv.1406.3396 · pith_short_12: 4RO6WF2ZYPPG · pith_short_16: 4RO6WF2ZYPPGVAOS · pith_short_8: 4RO6WF2Z

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/4RO6WF2ZYPPGVAOSYP2PWK257U \
  | 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: e45deb1759c3de6a81d2c3f4fb2b5dfd14dd5e2b74d6a078d0a04b23ce507cc9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2ce7f4df9c7b5621e8a537bd07d5015615c439fbabd0586eb0b0134710bbf924",
    "cross_cats_sorted": [
      "q-fin.RM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-fin.PM",
    "submitted_at": "2014-06-13T00:52:52Z",
    "title_canon_sha256": "fcafb2974a237e75147cdd9a50af3cb49707e7320b0dfaf971ef476b529ce9c8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1406.3396",
    "kind": "arxiv",
    "version": 2
  }
}