pith. sign in
Pith Number

pith:62CSUX7K

pith:2016:62CSUX7KUUJF25BPAU4YIVNDYH
not attested not anchored not stored refs pending

Estimation of the Regularization Parameter in Linear Discrete Ill-Posed Problems Using the Picard parameter

Alexander Y. Meltzer, Eitan Levin

arxiv:1607.00938 v4 · 2016-07-04 · math.NA

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{62CSUX7KUUJF25BPAU4YIVNDYH}

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 2026-05-17T23:39:59.015980Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

f6852a5feaa5125d742f05398455a3c1e4e60c36aee73746eb6fce7cac1a9e4e

Aliases

arxiv: 1607.00938 · arxiv_version: 1607.00938v4 · doi: 10.48550/arxiv.1607.00938 · pith_short_12: 62CSUX7KUUJF · pith_short_16: 62CSUX7KUUJF25BP · pith_short_8: 62CSUX7K
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/62CSUX7KUUJF25BPAU4YIVNDYH \
  | 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: f6852a5feaa5125d742f05398455a3c1e4e60c36aee73746eb6fce7cac1a9e4e
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "c58812b8ff91d3937d58c9261f61d52f01e2fe098320f34f5ed77c5ec585886b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2016-07-04T15:47:33Z",
    "title_canon_sha256": "15375c6bc86736707644a2acf9ca8eab0b4b36251334d0ada39f44a92aba56ac"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1607.00938",
    "kind": "arxiv",
    "version": 4
  }
}