Pith Number

pith:YPLW23N4

pith:2025:YPLW23N4LYE2EGA76LXCPTNUG4

not attested not anchored not stored refs pending

Sequential Least-Squares Estimators with Fast Randomized Sketching for Linear Statistical Models

Dong-Yue Xie, Guan-Yu Chen, Xi Yang

arxiv:2509.06856 v2 · 2025-09-08 · stat.ML · cs.LG · cs.NA · math.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YPLW23N4LYE2EGA76LXCPTNUG4}

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	2026-06-01T01:03:45.102585Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c3d76d6dbc5e09a2181ff2ee27cdb43722a30d26b38ecb08234103579c9d0c25

Aliases

arxiv: 2509.06856 · arxiv_version: 2509.06856v2 · doi: 10.48550/arxiv.2509.06856 · pith_short_12: YPLW23N4LYE2 · pith_short_16: YPLW23N4LYE2EGA7 · pith_short_8: YPLW23N4

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/YPLW23N4LYE2EGA76LXCPTNUG4 \
  | 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: c3d76d6dbc5e09a2181ff2ee27cdb43722a30d26b38ecb08234103579c9d0c25

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cbee95dc6cab313646ccbb0798633d0ac04fc7db2a2311c6387deb6e4512f45f",
    "cross_cats_sorted": [
      "cs.LG",
      "cs.NA",
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2025-09-08T16:23:58Z",
    "title_canon_sha256": "4835a81b0085bbe73ab48f0527da6d8ce8033aea3ae34cf933503d51068b9ce4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2509.06856",
    "kind": "arxiv",
    "version": 2
  }
}