Pith Number

pith:CI3PEPPJ

pith:2015:CI3PEPPJ3OU52IZPMVYZGF43IT

not attested not anchored not stored refs pending

Principal Components Analysis for Semimartingales and Stochastic PDE

Alberto Ohashi, Alexandre B Simas

arxiv:1503.05909 v2 · 2015-03-19 · math.ST · math.PR · q-fin.CP · stat.TH

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CI3PEPPJ3OU52IZPMVYZGF43IT}

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	2026-05-18T01:19:20.622740Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1236f23de9dba9dd232f657193179b44e4836664d452175cdbd6ae54f021271a

Aliases

arxiv: 1503.05909 · arxiv_version: 1503.05909v2 · doi: 10.48550/arxiv.1503.05909 · pith_short_12: CI3PEPPJ3OU5 · pith_short_16: CI3PEPPJ3OU52IZP · pith_short_8: CI3PEPPJ

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/CI3PEPPJ3OU52IZPMVYZGF43IT \
  | 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: 1236f23de9dba9dd232f657193179b44e4836664d452175cdbd6ae54f021271a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dd065a0cd1820cf6b85097c5c2f823d423895ed4ff2d37ec8254b2cffee85cb2",
    "cross_cats_sorted": [
      "math.PR",
      "q-fin.CP",
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.ST",
    "submitted_at": "2015-03-19T19:47:07Z",
    "title_canon_sha256": "c43b34d77c1467448d717f9bac47f3aeee2b28607bee65fd47a126dc1d45acaf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.05909",
    "kind": "arxiv",
    "version": 2
  }
}