Pith Number

pith:EF7VOGQV

pith:2011:EF7VOGQVJLOA4DG4372WVHOG4Z

not attested not anchored not stored refs pending

A Unifying Analysis of Projected Gradient Descent for $\ell_p$-constrained Least Squares

Bhiksha Raj, Sohail Bahmani

arxiv:1107.4623 v5 · 2011-07-22 · math.NA · cs.IT · math.IT · 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{EF7VOGQVJLOA4DG4372WVHOG4Z}

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	2026-05-18T03:32:05.929528Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

217f571a154adc0e0cdcdff56a9dc6e64591f239f7cbb2dd243c970b90505168

Aliases

arxiv: 1107.4623 · arxiv_version: 1107.4623v5 · doi: 10.48550/arxiv.1107.4623 · pith_short_12: EF7VOGQVJLOA · pith_short_16: EF7VOGQVJLOA4DG4 · pith_short_8: EF7VOGQV

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/EF7VOGQVJLOA4DG4372WVHOG4Z \
  | 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: 217f571a154adc0e0cdcdff56a9dc6e64591f239f7cbb2dd243c970b90505168

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9418a60f16a5cdfb66b09a72cd1a0a63b30920c5a2dddb7f0504a48ddda08ac4",
    "cross_cats_sorted": [
      "cs.IT",
      "math.IT",
      "math.OC",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2011-07-22T20:42:47Z",
    "title_canon_sha256": "48eb619bcb159c486a9b959b26ffb4654bb065a24b337119765c22e2e63c6f82"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1107.4623",
    "kind": "arxiv",
    "version": 5
  }
}