Pith Number

pith:GR4676ZP

pith:2016:GR4676ZPO5A3FEM2MPCCGW67B2

not attested not anchored not stored refs pending

Gaussian distributions on Riemannian symmetric spaces: statistical learning with structured covariance matrices

Baba C. Vemuri, Hatem Hajri, Lionel Bombrun, Salem Said

arxiv:1607.06929 v2 · 2016-07-23 · 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{GR4676ZPO5A3FEM2MPCCGW67B2}

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	2026-05-18T00:44:38.887008Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3479effb2f7741b2919a63c4235bdf0e9729efa5ca22735968a7265b6bf3c932

Aliases

arxiv: 1607.06929 · arxiv_version: 1607.06929v2 · doi: 10.48550/arxiv.1607.06929 · pith_short_12: GR4676ZPO5A3 · pith_short_16: GR4676ZPO5A3FEM2 · pith_short_8: GR4676ZP

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/GR4676ZPO5A3FEM2MPCCGW67B2 \
  | 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: 3479effb2f7741b2919a63c4235bdf0e9729efa5ca22735968a7265b6bf3c932

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7bdb592a5afd969a992634bd7544621abb24f5a6ce7acb82513dfa600643ebde",
    "cross_cats_sorted": [
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.ST",
    "submitted_at": "2016-07-23T12:56:19Z",
    "title_canon_sha256": "990c4203fa423141b6883cdb1b4c4b5eace6c2d340df068f9f02c55e31f0e730"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1607.06929",
    "kind": "arxiv",
    "version": 2
  }
}