Pith Number

pith:65GTFEY4

pith:2018:65GTFEY42M4SM3FEXIWCBXOP67

not attested not anchored not stored refs pending

The spatial sign covariance operator: Asymptotic results and applications

Daniela Rodriguez, Graciela Boente, Mariela Sued

arxiv:1804.04210 v1 · 2018-04-11 · 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{65GTFEY42M4SM3FEXIWCBXOP67}

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	2026-05-18T00:18:40.396173Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f74d32931cd339266ca4ba2c20ddcff7c4e7d727395cdb5fa0dad0ba3fa6ece3

Aliases

arxiv: 1804.04210 · arxiv_version: 1804.04210v1 · doi: 10.48550/arxiv.1804.04210 · pith_short_12: 65GTFEY42M4S · pith_short_16: 65GTFEY42M4SM3FE · pith_short_8: 65GTFEY4

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/65GTFEY42M4SM3FEXIWCBXOP67 \
  | 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: f74d32931cd339266ca4ba2c20ddcff7c4e7d727395cdb5fa0dad0ba3fa6ece3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "14321d32852246794d3b5d05c51abfd00a726980a786bc7fd20e025ffdde007f",
    "cross_cats_sorted": [
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.ST",
    "submitted_at": "2018-04-11T20:35:05Z",
    "title_canon_sha256": "c248bf326cbdcc7f57dff62ceef41ed3052e14a7e4934810fc9f4f7fbb2e1316"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.04210",
    "kind": "arxiv",
    "version": 1
  }
}