Pith Number

pith:YQ5YHSEM

pith:2015:YQ5YHSEMY6ZFZ5MDVGXZBZVVFJ

not attested not anchored not stored refs pending

Projected Nesterov's Proximal-Gradient Algorithm for Sparse Signal Reconstruction with a Convex Constraint

Aleksandar Dogand\v{z}i\'c, Renliang Gu

arxiv:1502.02613 v6 · 2015-02-09 · stat.CO · 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{YQ5YHSEMY6ZFZ5MDVGXZBZVVFJ}

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	2026-05-18T00:44:58.379181Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c43b83c88cc7b25cf583a9af90e6b52a4d7b22c8aeeb3661a943022d666eab1e

Aliases

arxiv: 1502.02613 · arxiv_version: 1502.02613v6 · doi: 10.48550/arxiv.1502.02613 · pith_short_12: YQ5YHSEMY6ZF · pith_short_16: YQ5YHSEMY6ZFZ5MD · pith_short_8: YQ5YHSEM

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/YQ5YHSEMY6ZFZ5MDVGXZBZVVFJ \
  | 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: c43b83c88cc7b25cf583a9af90e6b52a4d7b22c8aeeb3661a943022d666eab1e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cf2a4e469ab91b7e6e1fd998d9223eb47221578f484a48572fa0e97ec84c1d44",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.CO",
    "submitted_at": "2015-02-09T19:19:46Z",
    "title_canon_sha256": "82b463e9d35197c12202f00af5a64f3aa395743dfaf865061ec937d96a47ea73"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.02613",
    "kind": "arxiv",
    "version": 6
  }
}