Pith Number

pith:6VOUQMRM

pith:2015:6VOUQMRM6SDY4Z7OS2K5P5B3IE

not attested not anchored not stored refs pending

Decomposable Norm Minimization with Proximal-Gradient Homotopy Algorithm

Maryam Fazel, Reza Eghbali

arxiv:1501.06711 v4 · 2015-01-27 · math.OC

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6VOUQMRM6SDY4Z7OS2K5P5B3IE}

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	2026-05-18T01:03:53.414304Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f55d48322cf4878e67ee9695d7f43b410deccd4cd53843acc895d837bcad3edc

Aliases

arxiv: 1501.06711 · arxiv_version: 1501.06711v4 · doi: 10.48550/arxiv.1501.06711 · pith_short_12: 6VOUQMRM6SDY · pith_short_16: 6VOUQMRM6SDY4Z7O · pith_short_8: 6VOUQMRM

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/6VOUQMRM6SDY4Z7OS2K5P5B3IE \
  | 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: f55d48322cf4878e67ee9695d7f43b410deccd4cd53843acc895d837bcad3edc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9961392d6eb3b569ca832e37d77bb3273a3373bff0c611bfc03fe030a29de337",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2015-01-27T09:35:57Z",
    "title_canon_sha256": "d93cbfa58289d55e2b03cd901dd96ea929753cee3a0d22b02402dfce8da01a3e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.06711",
    "kind": "arxiv",
    "version": 4
  }
}