Pith Number

pith:FLIVUIBE

pith:2012:FLIVUIBEDMVBBXXYTESEZZCRCK

not attested not anchored not stored refs pending

An Application of Source Inequalities for Convergence Rates of Tikhonov Regularization with a Non-differentiable Operator

Markus Grasmair

arxiv:1209.2246 v1 · 2012-09-11 · math.NA · 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{FLIVUIBEDMVBBXXYTESEZZCRCK}

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	2026-05-18T03:45:52.460354Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2ad15a20241b2a10def899244ce4511293c1791bcb23791fa83e08d6bf210296

Aliases

arxiv: 1209.2246 · arxiv_version: 1209.2246v1 · doi: 10.48550/arxiv.1209.2246 · pith_short_12: FLIVUIBEDMVB · pith_short_16: FLIVUIBEDMVBBXXY · pith_short_8: FLIVUIBE

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/FLIVUIBEDMVBBXXYTESEZZCRCK \
  | 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: 2ad15a20241b2a10def899244ce4511293c1791bcb23791fa83e08d6bf210296

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3847585b72dadf86861bfb3693c99d795e3737f9aa6dea5ebbbc93d5d0be65a7",
    "cross_cats_sorted": [
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2012-09-11T07:32:44Z",
    "title_canon_sha256": "4f9850800158ccee28c7d1f60376183f95f1f38fc98f76d535cd1fb947823f5c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1209.2246",
    "kind": "arxiv",
    "version": 1
  }
}