Pith Number

pith:TTQPPPWG

pith:2025:TTQPPPWGWZ2SRGEES6PAMBTLOV

not attested not anchored not stored refs pending

First-ish Order Methods: Hessian-aware Scalings of Gradient Descent

Fred Roosta, Oscar Smee, Stephen J. Wright

arxiv:2502.03701 v3 · 2025-02-06 · math.OC · 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{TTQPPPWGWZ2SRGEES6PAMBTLOV}

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	2026-07-05T11:36:27.821622Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9ce0f7bec6b675289884979e06066b755c7138f1ec47b8f62e9fe46f2d66ff2e

Aliases

arxiv: 2502.03701 · arxiv_version: 2502.03701v3 · doi: 10.48550/arxiv.2502.03701 · pith_short_12: TTQPPPWGWZ2S · pith_short_16: TTQPPPWGWZ2SRGEE · pith_short_8: TTQPPPWG

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/TTQPPPWGWZ2SRGEES6PAMBTLOV \
  | 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: 9ce0f7bec6b675289884979e06066b755c7138f1ec47b8f62e9fe46f2d66ff2e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0549b57581196afaaab43f9b5239e31d7c2f1e928f09cc5477e18b4004c7ee06",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2025-02-06T01:22:23Z",
    "title_canon_sha256": "c0db4bc17ec3d0cf46491b34e97fafef287bf7a1229adec89877f821bad16d6f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.03701",
    "kind": "arxiv",
    "version": 3
  }
}