Pith Number

pith:CYKS52TH

pith:2025:CYKS52THMHZX6WGLQWJ656GUEO

not attested not anchored not stored refs pending

Fishers for Free? Approximating the Fisher Information Matrix by Recycling the Squared Gradient Accumulator

Colin Raffel, Derek Tam, Felix Dangel, Yuxin Li

arxiv:2507.18807 v1 · 2025-07-24 · 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{CYKS52THMHZX6WGLQWJ656GUEO}

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

MAdam: Metric-Aware Multi-Objective Adam

Receipt and verification

First computed	2026-07-05T11:42:58.629555Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

16152eea6761f37f58cb8593eef8d423a2a5c66baacc6cae397b06894b735fdc

Aliases

arxiv: 2507.18807 · arxiv_version: 2507.18807v1 · doi: 10.48550/arxiv.2507.18807 · pith_short_12: CYKS52THMHZX · pith_short_16: CYKS52THMHZX6WGL · pith_short_8: CYKS52TH

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/CYKS52THMHZX6WGLQWJ656GUEO \
  | 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: 16152eea6761f37f58cb8593eef8d423a2a5c66baacc6cae397b06894b735fdc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a85a89a6f7b616909bbb29010cfcacf8b69aa02e68d0d1e03f0ede288998a1da",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2025-07-24T21:10:37Z",
    "title_canon_sha256": "3e6b703e394eaeb3ecc8d3e01306d39a2dbf651c7f2d523928f692ec9a3d8764"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.18807",
    "kind": "arxiv",
    "version": 1
  }
}