Pith Number

pith:Z6L5QOJF

pith:2015:Z6L5QOJFP7Y4LCC2VX6TSRYUDH

not attested not anchored not stored refs pending

Convergence and Fluctuations of Regularized Tyler Estimators

Abla Kammoun, Frederic Pascal, Mohamed-Slim Alouini, Romain Couillet

arxiv:1504.01252 v1 · 2015-04-06 · cs.IT · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Z6L5QOJFP7Y4LCC2VX6TSRYUDH}

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	2026-05-18T01:16:50.944887Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cf97d839257ff1c5885aadfd39471419c0ab79cc9cca7a2bdc57739a12f06719

Aliases

arxiv: 1504.01252 · arxiv_version: 1504.01252v1 · doi: 10.48550/arxiv.1504.01252 · pith_short_12: Z6L5QOJFP7Y4 · pith_short_16: Z6L5QOJFP7Y4LCC2 · pith_short_8: Z6L5QOJF

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/Z6L5QOJFP7Y4LCC2VX6TSRYUDH \
  | 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: cf97d839257ff1c5885aadfd39471419c0ab79cc9cca7a2bdc57739a12f06719

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5850349958e519f6d0fcb8bef3ec6cdad5d80ed03014807dfb0cffb9d329e619",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2015-04-06T10:14:32Z",
    "title_canon_sha256": "7cf4ae9b1fbe02b21c34e298855efe81487aad775501d6eb12710705776de31e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.01252",
    "kind": "arxiv",
    "version": 1
  }
}