Pith Number

pith:YQ757QSX

pith:2017:YQ757QSXGMDIYC3WZRTAUUND2J

not attested not anchored not stored refs pending

A complete characterization of optimal dictionaries for least squares representation

Debasish Chatterjee, Mohammed Rayyan Sheriff

arxiv:1710.06763 v1 · 2017-10-18 · 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{YQ757QSXGMDIYC3WZRTAUUND2J}

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	2026-05-17T23:45:15.674157Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c43fdfc25733068c0b76cc660a51a3d253608e88c3c81a09a185bd93f5ea4fc9

Aliases

arxiv: 1710.06763 · arxiv_version: 1710.06763v1 · doi: 10.48550/arxiv.1710.06763 · pith_short_12: YQ757QSXGMDI · pith_short_16: YQ757QSXGMDIYC3W · pith_short_8: YQ757QSX

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/YQ757QSXGMDIYC3WZRTAUUND2J \
  | 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: c43fdfc25733068c0b76cc660a51a3d253608e88c3c81a09a185bd93f5ea4fc9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ce93b66f5942835021d28f25b7d8e29b7e87ceb39bc714a69bbcf27141ee8e83",
    "cross_cats_sorted": [
      "cs.LG",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2017-10-18T14:59:58Z",
    "title_canon_sha256": "fb41fc3487406b886545af7d13b74359ccced0e7cbfa1d131212c2e8971a3899"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1710.06763",
    "kind": "arxiv",
    "version": 1
  }
}