Pith Number

pith:L2SJOOEC

pith:2016:L2SJOOECNDHKSLJRG2EUD4565R

not attested not anchored not stored refs pending

Optimal dictionary for least squares representation

Debasish Chatterjee, Mohammed Rayyan Sheriff

arxiv:1603.02074 v3 · 2016-03-07 · cs.LG · 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{L2SJOOECNDHKSLJRG2EUD4565R}

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	2026-05-18T00:29:47.029412Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5ea497388268cea92d31368941f3beec66f01b304dc8142709f397d872eeaba0

Aliases

arxiv: 1603.02074 · arxiv_version: 1603.02074v3 · doi: 10.48550/arxiv.1603.02074 · pith_short_12: L2SJOOECNDHK · pith_short_16: L2SJOOECNDHKSLJR · pith_short_8: L2SJOOEC

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/L2SJOOECNDHKSLJRG2EUD4565R \
  | 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: 5ea497388268cea92d31368941f3beec66f01b304dc8142709f397d872eeaba0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a56f63970a314a7e0b6e3e747d930f0a923632e5bf77c74d7195174304c101da",
    "cross_cats_sorted": [
      "math.OC",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2016-03-07T14:13:24Z",
    "title_canon_sha256": "84481d1f4a6322da2a393d886fa75b7c4081f0e1432153f19d1c433df1a98290"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1603.02074",
    "kind": "arxiv",
    "version": 3
  }
}