Pith Number

pith:537PZZ5W

pith:2017:537PZZ5WIJ4LCY3ZJCKGYM3UCL

not attested not anchored not stored refs pending

Iteratively reweighted $\ell_1$ algorithms with extrapolation

Peiran Yu, Ting Kei Pong

arxiv:1710.07886 v2 · 2017-10-22 · math.OC · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{537PZZ5WIJ4LCY3ZJCKGYM3UCL}

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	2026-05-18T00:30:16.261371Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eefefce7b64278b1637948946c337412d2cc41b75b0bddadbf4f35eb20951cea

Aliases

arxiv: 1710.07886 · arxiv_version: 1710.07886v2 · doi: 10.48550/arxiv.1710.07886 · pith_short_12: 537PZZ5WIJ4L · pith_short_16: 537PZZ5WIJ4LCY3Z · pith_short_8: 537PZZ5W

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/537PZZ5WIJ4LCY3ZJCKGYM3UCL \
  | 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: eefefce7b64278b1637948946c337412d2cc41b75b0bddadbf4f35eb20951cea

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7244871be7f2312788c247cf45447d4e786d6d791a21134b60a32eec873e1e8d",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2017-10-22T03:55:26Z",
    "title_canon_sha256": "3caf111ba1895d2432c09769666621ac3d1eec6cec7322c0c57df6a1703ca061"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1710.07886",
    "kind": "arxiv",
    "version": 2
  }
}