Pith Number

pith:345YRZ65

pith:2014:345YRZ65JCISFVPSPFVEL24UI6

not attested not anchored not stored refs pending

A sparse Kaczmarz solver and a linearized Bregman method for online compressed sensing

Dirk A. Lorenz, Frank Sch\"opfer, Marcus Magnor, Stephan Wenger

arxiv:1403.7543 v1 · 2014-03-28 · math.OC · cs.CV · cs.IT · math.IT · math.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{345YRZ65JCISFVPSPFVEL24UI6}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T02:55:19.138198Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

df3b88e7dd489122d5f2796a45eb94479747c58f13eedd355010d10fa0c26559

Aliases

arxiv: 1403.7543 · arxiv_version: 1403.7543v1 · doi: 10.48550/arxiv.1403.7543 · pith_short_12: 345YRZ65JCIS · pith_short_16: 345YRZ65JCISFVPS · pith_short_8: 345YRZ65

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/345YRZ65JCISFVPSPFVEL24UI6 \
  | 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: df3b88e7dd489122d5f2796a45eb94479747c58f13eedd355010d10fa0c26559

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2da4cbf0efa456300cd0189682ffa664974c144283ea3f3e6fd25274283de009",
    "cross_cats_sorted": [
      "cs.CV",
      "cs.IT",
      "math.IT",
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2014-03-28T21:14:05Z",
    "title_canon_sha256": "f94350a8673df6be4ef0fc58ffd087e02b30421a02714a6dbb66a69060f4f43d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1403.7543",
    "kind": "arxiv",
    "version": 1
  }
}