Pith Number

pith:JFDMLVMR

pith:2014:JFDMLVMRCIVWAA4JHDG5UDIRVP

not attested not anchored not stored refs pending

A convergence proof of the split Bregman method for regularized least-squares problems

Hung Nien, Jeffrey A. Fessler

arxiv:1402.4371 v1 · 2014-02-18 · math.OC · cs.LG · 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{JFDMLVMRCIVWAA4JHDG5UDIRVP}

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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	2026-05-18T02:58:44.058286Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4946c5d591122b60038938cdda0d11abe3b7fce08d0ed9a272b6644b672dd637

Aliases

arxiv: 1402.4371 · arxiv_version: 1402.4371v1 · doi: 10.48550/arxiv.1402.4371 · pith_short_12: JFDMLVMRCIVW · pith_short_16: JFDMLVMRCIVWAA4J · pith_short_8: JFDMLVMR

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/JFDMLVMRCIVWAA4JHDG5UDIRVP \
  | 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: 4946c5d591122b60038938cdda0d11abe3b7fce08d0ed9a272b6644b672dd637

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "554298f9da4c654554eef7b04201149297e55899b5261338297c900be409f643",
    "cross_cats_sorted": [
      "cs.LG",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2014-02-18T15:16:45Z",
    "title_canon_sha256": "761baa745944d1728fc2e0d2b26275d22893f27c19a78ae77db0bc7b865905e5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1402.4371",
    "kind": "arxiv",
    "version": 1
  }
}