Pith Number

pith:5BUNGUPK

pith:2017:5BUNGUPKFMN5Y4ZU2CVVQGW52S

not attested not anchored not stored refs pending

Reducing Reparameterization Gradient Variance

Alexander D'Amour, Andrew C. Miller, Nicholas J. Foti, Ryan P. Adams

arxiv:1705.07880 v1 · 2017-05-22 · stat.ML · stat.CO · 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{5BUNGUPKFMN5Y4ZU2CVVQGW52S}

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	2026-05-18T00:44:04.341111Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e868d351ea2b1bdc7334d0ab581addd4801cc7ce78c34c52d65fcc1af9a54a4f

Aliases

arxiv: 1705.07880 · arxiv_version: 1705.07880v1 · doi: 10.48550/arxiv.1705.07880 · pith_short_12: 5BUNGUPKFMN5 · pith_short_16: 5BUNGUPKFMN5Y4ZU · pith_short_8: 5BUNGUPK

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/5BUNGUPKFMN5Y4ZU2CVVQGW52S \
  | 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: e868d351ea2b1bdc7334d0ab581addd4801cc7ce78c34c52d65fcc1af9a54a4f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "714265204eaaf5882470c88585ebc4df10533c1dd28f3057e67f0992f794d5e1",
    "cross_cats_sorted": [
      "stat.CO",
      "stat.ME"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2017-05-22T17:51:13Z",
    "title_canon_sha256": "427d6be1821398e549dbf71eb83cd0c517e848869fc9fb3fd51af016220cd67a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.07880",
    "kind": "arxiv",
    "version": 1
  }
}