Pith Number

pith:U6Z3MQ4F

pith:2025:U6Z3MQ4F5TBEXSCICICURTBDLR

not attested not anchored not stored refs pending

A Smoothing Newton Method for Rank-one Matrix Recovery

Gabriel Abreu, Tyler Maunu

arxiv:2507.23017 v1 · 2025-07-30 · stat.ML · cs.LG · 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{U6Z3MQ4F5TBEXSCICICURTBDLR}

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	2026-07-05T11:46:03.824965Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a7b3b64385ecc24bc848120548cc235c4492555eb7079a46b93834ff247e19a8

Aliases

arxiv: 2507.23017 · arxiv_version: 2507.23017v1 · doi: 10.48550/arxiv.2507.23017 · pith_short_12: U6Z3MQ4F5TBE · pith_short_16: U6Z3MQ4F5TBEXSCI · pith_short_8: U6Z3MQ4F

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/U6Z3MQ4F5TBEXSCICICURTBDLR \
  | 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: a7b3b64385ecc24bc848120548cc235c4492555eb7079a46b93834ff247e19a8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a8b3ac80b6206d073bbbbce7d366ca6d110f4c66ab50cc3f8390d21e25e88569",
    "cross_cats_sorted": [
      "cs.LG",
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2025-07-30T18:25:42Z",
    "title_canon_sha256": "426518203caa75849d25ec7bf5eff0f9d8db9b602e7e2143506649561912f343"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.23017",
    "kind": "arxiv",
    "version": 1
  }
}