Pith Number

pith:XRJBWEDS

pith:2014:XRJBWEDS4SBWS6MWWQW4BUNK2M

not attested not anchored not stored refs pending

Iterative Hessian sketch: Fast and accurate solution approximation for constrained least-squares

Martin J. Wainwright, Mert Pilanci

arxiv:1411.0347 v1 · 2014-11-03 · math.OC · cs.IT · cs.LG · math.IT · 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{XRJBWEDS4SBWS6MWWQW4BUNK2M}

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	2026-05-18T02:38:51.943839Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bc521b1072e483697996b42dc0d1aad315681013b048166ac8d2774df008ce7c

Aliases

arxiv: 1411.0347 · arxiv_version: 1411.0347v1 · doi: 10.48550/arxiv.1411.0347 · pith_short_12: XRJBWEDS4SBW · pith_short_16: XRJBWEDS4SBWS6MW · pith_short_8: XRJBWEDS

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/XRJBWEDS4SBWS6MWWQW4BUNK2M \
  | 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: bc521b1072e483697996b42dc0d1aad315681013b048166ac8d2774df008ce7c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ebcfddac32358802f0a9276aa2daa25e319c323f3c9989017365c5d636dd331a",
    "cross_cats_sorted": [
      "cs.IT",
      "cs.LG",
      "math.IT",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2014-11-03T02:59:39Z",
    "title_canon_sha256": "9046622e27927c1a1c343eed3c4d9f80d02f53a1fcc849b6e07a4d527d328222"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1411.0347",
    "kind": "arxiv",
    "version": 1
  }
}