Pith Number

pith:MTI56YDZ

pith:2013:MTI56YDZY5KJBVXR5XP7DLLKQ3

not attested not anchored not stored refs pending

Estimating the quadratic covariation matrix from noisy observations: Local method of moments and efficiency

Markus Bibinger, Markus Rei{\ss}, Nikolaus Hautsch, Peter Malec

arxiv:1303.6146 v3 · 2013-03-25 · math.ST · 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{MTI56YDZY5KJBVXR5XP7DLLKQ3}

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	2026-05-18T02:48:43.593371Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

64d1df6079c75490d6f1eddff1ad6a86ce1612cdf4e4f3aadea2fdf32c46bd44

Aliases

arxiv: 1303.6146 · arxiv_version: 1303.6146v3 · doi: 10.48550/arxiv.1303.6146 · pith_short_12: MTI56YDZY5KJ · pith_short_16: MTI56YDZY5KJBVXR · pith_short_8: MTI56YDZ

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/MTI56YDZY5KJBVXR5XP7DLLKQ3 \
  | 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: 64d1df6079c75490d6f1eddff1ad6a86ce1612cdf4e4f3aadea2fdf32c46bd44

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4fad542837e36762597ba262cc14376ef176eead7031879a775cfdd08c47d7ad",
    "cross_cats_sorted": [
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.ST",
    "submitted_at": "2013-03-25T14:51:26Z",
    "title_canon_sha256": "cd6fd44e9b3f3bdd666fb1cd5629101cd4c1d38ae67a2d39ea614dac282e4b4f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.6146",
    "kind": "arxiv",
    "version": 3
  }
}