pith. sign in
Pith Number

pith:NP2OSCHP

pith:2013:NP2OSCHP3TN64G35LFNAGCYAZH
not attested not anchored not stored refs pending

Multi-Parameter Tikhonov Regularization -- An Augmented Approach

Bangti Jin, Kazufumi Ito, Tomoya Takeuchi

arxiv:1306.5984 v1 · 2013-06-25 · math.NA · math.OC

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{NP2OSCHP3TN64G35LFNAGCYAZH}

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 2026-05-18T03:19:58.027420Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

6bf4e908efdcdbee1b7d595a030b00c9e4be5fd5d4c3a661be2343fea60d84ef

Aliases

arxiv: 1306.5984 · arxiv_version: 1306.5984v1 · doi: 10.48550/arxiv.1306.5984 · pith_short_12: NP2OSCHP3TN6 · pith_short_16: NP2OSCHP3TN64G35 · pith_short_8: NP2OSCHP
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/NP2OSCHP3TN64G35LFNAGCYAZH \
  | 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: 6bf4e908efdcdbee1b7d595a030b00c9e4be5fd5d4c3a661be2343fea60d84ef
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "5c2b29254c27b4bfb5f59e8541e013d0311248b8ff9eae3a815265be70e83c88",
    "cross_cats_sorted": [
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2013-06-25T14:50:13Z",
    "title_canon_sha256": "a2e7290e3221d1b0ed7ba92cb60837aa181c1158b2e54b0c01c4db48d7e3f605"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1306.5984",
    "kind": "arxiv",
    "version": 1
  }
}