Pith Number

pith:TOGD4OGW

pith:2014:TOGD4OGW2VWYQLOTD2EVQJ5YYC

not attested not anchored not stored refs pending

Regularized Tyler's Scatter Estimator: Existence, Uniqueness, and Algorithms

Daniel P. Palomar, Prabhu Babu, Ying Sun

arxiv:1407.3079 v1 · 2014-07-11 · 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{TOGD4OGW2VWYQLOTD2EVQJ5YYC}

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	2026-05-18T01:42:37.701838Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9b8c3e38d6d56d882dd31e895827b8c0af35e625d4c1592e8e835b11ef6f4595

Aliases

arxiv: 1407.3079 · arxiv_version: 1407.3079v1 · doi: 10.48550/arxiv.1407.3079 · pith_short_12: TOGD4OGW2VWY · pith_short_16: TOGD4OGW2VWYQLOT · pith_short_8: TOGD4OGW

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/TOGD4OGW2VWYQLOTD2EVQJ5YYC \
  | 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: 9b8c3e38d6d56d882dd31e895827b8c0af35e625d4c1592e8e835b11ef6f4595

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ccf551e11912439de49ac6d52fd6ad4d9d755dcc553bdb3ec3fb0e3a0dbf86bb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2014-07-11T09:20:51Z",
    "title_canon_sha256": "28e1dcb45980a0e73f287460c0f35a67b8268e616c7976a2b6570f67b6a5da00"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.3079",
    "kind": "arxiv",
    "version": 1
  }
}