Pith Number

pith:MAKLBZUU

pith:2014:MAKLBZUUSKW7O2E2JBUB5B33EO

not attested not anchored not stored refs pending

Optimal order conditions for filter based regularization methods, with applications to variants of the Tikhonov method

Davide Bianchi, Marco Donatelli, Stefano Serra-Capizzano

arxiv:1404.3834 v3 · 2014-04-15 · 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{MAKLBZUUSKW7O2E2JBUB5B33EO}

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	2026-05-18T02:52:14.859940Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6014b0e69492adf7689a48681e877b2395b131206c6890ab145222efaeb12b8d

Aliases

arxiv: 1404.3834 · arxiv_version: 1404.3834v3 · doi: 10.48550/arxiv.1404.3834 · pith_short_12: MAKLBZUUSKW7 · pith_short_16: MAKLBZUUSKW7O2E2 · pith_short_8: MAKLBZUU

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/MAKLBZUUSKW7O2E2JBUB5B33EO \
  | 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: 6014b0e69492adf7689a48681e877b2395b131206c6890ab145222efaeb12b8d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "743275cba6ed9c01b3ae22b0f8d286317e164fcaa58166beece940ce38afd0e2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2014-04-15T07:27:03Z",
    "title_canon_sha256": "297d1b932240c7d469c77ab8647c836f2c0f5bbaea59b1f9be98f1299ec44291"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1404.3834",
    "kind": "arxiv",
    "version": 3
  }
}