Pith Number

pith:5SLPJE7E

pith:2010:5SLPJE7ESR62H6UD2BVCSDXUK4

not attested not anchored not stored refs pending

Principal Regression Analysis and the index leverage effect

Jean-Philippe Bouchaud, Pierre-Alain Reigneron, Romain Allez

arxiv:1011.5810 v2 · 2010-11-26 · 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{5SLPJE7ESR62H6UD2BVCSDXUK4}

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	2026-05-18T03:35:26.504572Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ec96f493e4947da3fa83d06a290ef45704378a0dec3932cf216ae3585c079cf8

Aliases

arxiv: 1011.5810 · arxiv_version: 1011.5810v2 · doi: 10.48550/arxiv.1011.5810 · pith_short_12: 5SLPJE7ESR62 · pith_short_16: 5SLPJE7ESR62H6UD · pith_short_8: 5SLPJE7E

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/5SLPJE7ESR62H6UD2BVCSDXUK4 \
  | 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: ec96f493e4947da3fa83d06a290ef45704378a0dec3932cf216ae3585c079cf8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b463e9594eb61aae346aded46723bb099a22341e9a1d598bf3d5039992082335",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-fin.ST",
    "submitted_at": "2010-11-26T14:52:09Z",
    "title_canon_sha256": "3ff9fcbd085c920c4effd845a47aa72ec1d691b41b36720bf39110093fa705c3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1011.5810",
    "kind": "arxiv",
    "version": 2
  }
}