Pith Number

pith:IBKDO4RP

pith:2013:IBKDO4RPMKO3IWEBW2ASZVJU5E

not attested not anchored not stored refs pending

Convergence rates in $\ell^1$-regularization when the basis is not smooth enough

Jens Flemming, Markus Hegland

arxiv:1311.1923 v1 · 2013-11-08 · 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{IBKDO4RPMKO3IWEBW2ASZVJU5E}

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	2026-05-18T03:07:41.966499Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

405437722f629db45881b6812cd534e9205d53b93d05abd609687e07eef92e57

Aliases

arxiv: 1311.1923 · arxiv_version: 1311.1923v1 · doi: 10.48550/arxiv.1311.1923 · pith_short_12: IBKDO4RPMKO3 · pith_short_16: IBKDO4RPMKO3IWEB · pith_short_8: IBKDO4RP

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/IBKDO4RPMKO3IWEBW2ASZVJU5E \
  | 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: 405437722f629db45881b6812cd534e9205d53b93d05abd609687e07eef92e57

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6ab76affe4ac3573f1a2a2e29cfc35f40ac552048dd18896b7b1db39adfffc37",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2013-11-08T10:27:37Z",
    "title_canon_sha256": "3dd25a0ba9b283d0c49f74774e73adb7ef8f8ae4532bdf39d249d2667cd1f700"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.1923",
    "kind": "arxiv",
    "version": 1
  }
}