Pith Number

pith:ZAHQDHFT

pith:2015:ZAHQDHFTAAW6C4QYJ742W336CZ

not attested not anchored not stored refs pending

Regularization Parameter Selection Method for Sign LMS with Reweighted L1-Norm Constriant Algorithm

Guan Gui, Li Xu

arxiv:1503.03608 v2 · 2015-03-12 · cs.IT · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZAHQDHFTAAW6C4QYJ742W336CZ}

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	2026-05-18T02:17:35.594718Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c80f019cb3002de172184ff9ab6f7e16490814aebfabdc8df87f926140dfa95c

Aliases

arxiv: 1503.03608 · arxiv_version: 1503.03608v2 · doi: 10.48550/arxiv.1503.03608 · pith_short_12: ZAHQDHFTAAW6 · pith_short_16: ZAHQDHFTAAW6C4QY · pith_short_8: ZAHQDHFT

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/ZAHQDHFTAAW6C4QYJ742W336CZ \
  | 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: c80f019cb3002de172184ff9ab6f7e16490814aebfabdc8df87f926140dfa95c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0cc9c9a741da411a39c2578020944fc80e2dfd4c5dabdc6f003d6ca19a5de02f",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2015-03-12T07:03:29Z",
    "title_canon_sha256": "0b6578cd7a5ea225e2b001a159baaba1d74eaa3441537dbc7ff92e78a2a4b4d9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.03608",
    "kind": "arxiv",
    "version": 2
  }
}