Pith Number

pith:HZQNR4F5

pith:2019:HZQNR4F5ORDN5VITW7EMR4YH66

not attested not anchored not stored refs pending

Reliable training and estimation of variance networks

Martin J{\o}rgensen, Nicki S. Detlefsen, S{\o}ren Hauberg

arxiv:1906.03260 v2 · 2019-06-04 · stat.ML · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HZQNR4F5ORDN5VITW7EMR4YH66}

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

Amplitude Uncertainties Everywhere All at Once

Receipt and verification

First computed	2026-07-05T00:16:34.977172Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3e60d8f0bd7446ded513b7c8c8f307f7b727e1845065f2fd97fdc194f7f5e34a

Aliases

arxiv: 1906.03260 · arxiv_version: 1906.03260v2 · doi: 10.48550/arxiv.1906.03260 · pith_short_12: HZQNR4F5ORDN · pith_short_16: HZQNR4F5ORDN5VIT · pith_short_8: HZQNR4F5

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/HZQNR4F5ORDN5VITW7EMR4YH66 \
  | 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: 3e60d8f0bd7446ded513b7c8c8f307f7b727e1845065f2fd97fdc194f7f5e34a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d529e13b92df4aaf5d1fd703b752352c1d7fa9feeb33ca4142fb18d5c90148dd",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2019-06-04T10:14:58Z",
    "title_canon_sha256": "2d20ea640b2662fa37f6ad7260d52a61030be9488250bc3aa4b71acf57722acf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.03260",
    "kind": "arxiv",
    "version": 2
  }
}