Pith Number

pith:JIX53KSS

pith:2016:JIX53KSSMD5OZF5ZZSCAZ42UM6

not attested not anchored not stored refs pending

The spatial sign covariance matrix and its application for robust correlation estimation

Alexander D\"urre, Daniel Vogel, Roland Fried

arxiv:1606.02274 v1 · 2016-06-07 · stat.ME

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JIX53KSSMD5OZF5ZZSCAZ42UM6}

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	2026-05-18T01:12:44.348053Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4a2fddaa5260faec97b9cc840cf35467833fb42bf34d5f5863f33b9625e4e651

Aliases

arxiv: 1606.02274 · arxiv_version: 1606.02274v1 · doi: 10.48550/arxiv.1606.02274 · pith_short_12: JIX53KSSMD5O · pith_short_16: JIX53KSSMD5OZF5Z · pith_short_8: JIX53KSS

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/JIX53KSSMD5OZF5ZZSCAZ42UM6 \
  | 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: 4a2fddaa5260faec97b9cc840cf35467833fb42bf34d5f5863f33b9625e4e651

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5ec11e19a752c562f830d7bc2921c30c33a6a5ece7d2fafcb48e42a51d157736",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2016-06-07T19:37:30Z",
    "title_canon_sha256": "a6495a886cd4ed0a0afcdff86491dc361ed1d6c813179fedb1961c75df4b3750"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1606.02274",
    "kind": "arxiv",
    "version": 1
  }
}