Pith Number

pith:FLCDOWRX

pith:2013:FLCDOWRXLBPWDPVSQCXULMO22R

not attested not anchored not stored refs pending

On the interplay of basis smoothness and specific range conditions occurring in sparsity regularization

Bernd Hofmann, Ronny Ramlau, Stephan W. Anzengruber

arxiv:1307.7493 v1 · 2013-07-29 · math.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FLCDOWRXLBPWDPVSQCXULMO22R}

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	2026-05-18T01:35:57.557770Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2ac4375a37585f61beb280af45b1dad4725b055e56348eaa57c498302e26e7be

Aliases

arxiv: 1307.7493 · arxiv_version: 1307.7493v1 · doi: 10.48550/arxiv.1307.7493 · pith_short_12: FLCDOWRXLBPW · pith_short_16: FLCDOWRXLBPWDPVS · pith_short_8: FLCDOWRX

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/FLCDOWRXLBPWDPVSQCXULMO22R \
  | 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: 2ac4375a37585f61beb280af45b1dad4725b055e56348eaa57c498302e26e7be

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9eb45a1a03a779b98cbd07ea4936a2446c51f383fcb497b2dc420183cb38a99c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2013-07-29T08:25:43Z",
    "title_canon_sha256": "bc18f900912becce2387e9116b4800f4d29359c9a49a9688c97754dd0aa96279"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.7493",
    "kind": "arxiv",
    "version": 1
  }
}