Pith Number

pith:RPBAMJBY

pith:2014:RPBAMJBYHUQEG5DNSJYIWEP5WH

not attested not anchored not stored refs pending

Forward - Backward Greedy Algorithms for Atomic Norm Regularization

Nikhil Rao, Parikshit Shah, Stephen Wright

arxiv:1404.5692 v2 · 2014-04-23 · cs.DS · 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{RPBAMJBYHUQEG5DNSJYIWEP5WH}

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	2026-05-18T01:29:05.943601Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8bc20624383d2043746d92708b11fdb1d9d857a935c43a0d2727d59571285fe6

Aliases

arxiv: 1404.5692 · arxiv_version: 1404.5692v2 · doi: 10.48550/arxiv.1404.5692 · pith_short_12: RPBAMJBYHUQE · pith_short_16: RPBAMJBYHUQEG5DN · pith_short_8: RPBAMJBY

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/RPBAMJBYHUQEG5DNSJYIWEP5WH \
  | 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: 8bc20624383d2043746d92708b11fdb1d9d857a935c43a0d2727d59571285fe6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9a1da3473c14755963d203cbcec147cc2cad9920d0171a699d623c4c8fc0a674",
    "cross_cats_sorted": [
      "cs.LG",
      "math.OC",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2014-04-23T03:31:45Z",
    "title_canon_sha256": "04792b9e0d6750205f68dc99726afa5a049c9055bfcf281e5f7f4125ced8ce44"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1404.5692",
    "kind": "arxiv",
    "version": 2
  }
}