Pith Number

pith:J45DGOVF

pith:2011:J45DGOVFXA4YFDKXMAGYGN7WFJ

not attested not anchored not stored refs pending

Positive definite matrices and the S-divergence

Suvrit Sra

arxiv:1110.1773 v4 · 2011-10-08 · math.FA · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{J45DGOVFXA4YFDKXMAGYGN7WFJ}

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.

Cited by

1 paper in Pith

Geometric and Quantum Kernel Methods for Predicting Skeletal Muscle Outcomes in chronic obstructive pulmonary disease

Receipt and verification

First computed	2026-05-18T03:03:44.900257Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4f3a333aa5b839828d57600d8337f62a746ac80cf01aea2f4a29a8323f340a4e

Aliases

arxiv: 1110.1773 · arxiv_version: 1110.1773v4 · doi: 10.48550/arxiv.1110.1773 · pith_short_12: J45DGOVFXA4Y · pith_short_16: J45DGOVFXA4YFDKX · pith_short_8: J45DGOVF

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/J45DGOVFXA4YFDKXMAGYGN7WFJ \
  | 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: 4f3a333aa5b839828d57600d8337f62a746ac80cf01aea2f4a29a8323f340a4e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0f70c2062e2e7b4741d968dc8cc25f17d458f83dc88fff78b209a5ba0ef9ab4a",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2011-10-08T22:16:36Z",
    "title_canon_sha256": "d5bdd2ec5115e3929935ea81d0e6cf545c83c9961bc8432dd0be105beddfda43"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1110.1773",
    "kind": "arxiv",
    "version": 4
  }
}