Pith Number

pith:3J4KOYDX

pith:2018:3J4KOYDX52WSLZTMS6I24PILWW

not attested not anchored not stored refs pending

Nonlinearly Preconditioned L-BFGS as an Acceleration Mechanism for Alternating Least Squares, with Application to Tensor Decomposition

Alexander J.M. Howse, Hans De Sterck

arxiv:1803.08849 v2 · 2018-03-23 · math.NA · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3J4KOYDX52WSLZTMS6I24PILWW}

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	2026-05-18T00:12:13.764615Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

da78a76077eead25e66c9791ae3d0bb5a3bb3da1e01744e12db916fd4bb2c6a6

Aliases

arxiv: 1803.08849 · arxiv_version: 1803.08849v2 · doi: 10.48550/arxiv.1803.08849 · pith_short_12: 3J4KOYDX52WS · pith_short_16: 3J4KOYDX52WSLZTM · pith_short_8: 3J4KOYDX

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/3J4KOYDX52WSLZTMS6I24PILWW \
  | 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: da78a76077eead25e66c9791ae3d0bb5a3bb3da1e01744e12db916fd4bb2c6a6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "de137e8370456c70a34a781da0106d2df1f8e4920c2f8e44bf682f4c26c51109",
    "cross_cats_sorted": [
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-03-23T15:53:27Z",
    "title_canon_sha256": "f5e55a6ba96926b9b84ddc18c1f290940dbbf3e2ade41ba1b0046567831a2542"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.08849",
    "kind": "arxiv",
    "version": 2
  }
}