Pith Number

pith:WW52LOJ2

pith:2019:WW52LOJ2DJJQPKCRN62AE3SLDO

not attested not anchored not stored refs pending

Distributed estimation of the inverse Hessian by determinantal averaging

Michael W. Mahoney, Micha{\l} Derezi\'nski

arxiv:1905.11546 v1 · 2019-05-28 · cs.LG · 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{WW52LOJ2DJJQPKCRN62AE3SLDO}

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	2026-05-17T23:44:53.083108Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b5bba5b93a1a5307a8516fb4026e4b1bb7ee276b960184965a6d7856d12532a4

Aliases

arxiv: 1905.11546 · arxiv_version: 1905.11546v1 · doi: 10.48550/arxiv.1905.11546 · pith_short_12: WW52LOJ2DJJQ · pith_short_16: WW52LOJ2DJJQPKCR · pith_short_8: WW52LOJ2

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/WW52LOJ2DJJQPKCRN62AE3SLDO \
  | 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: b5bba5b93a1a5307a8516fb4026e4b1bb7ee276b960184965a6d7856d12532a4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "095064307f0a2df08ea1bea19b2e5c1f6d06ba9fca6ac69edb356b302d7a33b6",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2019-05-28T00:08:57Z",
    "title_canon_sha256": "a69ddb28da1d407ce9bc09418d2310d5f6aa837d8cd25fba566397b8115a8611"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.11546",
    "kind": "arxiv",
    "version": 1
  }
}