Pith Number

pith:MTWBAMKK

pith:2017:MTWBAMKKMLO5PZAW3HVSHU7FID

not attested not anchored not stored refs pending

On $\ell^1$-regularization under continuity of the forward operator in weaker topologies

Bernd Hofmann, Daniel Gerth

arxiv:1711.08642 v1 · 2017-11-23 · math.FA · 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{MTWBAMKKMLO5PZAW3HVSHU7FID}

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	2026-05-18T00:29:44.492039Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

64ec10314a62ddd7e416d9eb23d3e540c370ff869e67cacf5b9dcb65c4656a5e

Aliases

arxiv: 1711.08642 · arxiv_version: 1711.08642v1 · doi: 10.48550/arxiv.1711.08642 · pith_short_12: MTWBAMKKMLO5 · pith_short_16: MTWBAMKKMLO5PZAW · pith_short_8: MTWBAMKK

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/MTWBAMKKMLO5PZAW3HVSHU7FID \
  | 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: 64ec10314a62ddd7e416d9eb23d3e540c370ff869e67cacf5b9dcb65c4656a5e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d29d972c635ecd2b41f1f529205fac49236efee0c11d2bb9d1cddea38a5be581",
    "cross_cats_sorted": [
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2017-11-23T10:32:16Z",
    "title_canon_sha256": "4a932680aa8fac1f58288ce5839355991606b5c51528c115a2edf8dc40bc7660"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1711.08642",
    "kind": "arxiv",
    "version": 1
  }
}