Pith Number

pith:CVZPHDT7

pith:2014:CVZPHDT7SXS74NVKHUNSF73HNH

not attested not anchored not stored refs pending

Minimization of multi-penalty functionals by alternating iterative thresholding and optimal parameter choices

Steffen Peter, Valeriya Naumova

arxiv:1403.6718 v1 · 2014-03-26 · 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{CVZPHDT7SXS74NVKHUNSF73HNH}

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	2026-05-18T02:32:55.294766Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1572f38e7f95e5fe36aa3d1b22ff6769c652f3f3981398c9dd6b0e7162b21800

Aliases

arxiv: 1403.6718 · arxiv_version: 1403.6718v1 · doi: 10.48550/arxiv.1403.6718 · pith_short_12: CVZPHDT7SXS7 · pith_short_16: CVZPHDT7SXS74NVK · pith_short_8: CVZPHDT7

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/CVZPHDT7SXS74NVKHUNSF73HNH \
  | 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: 1572f38e7f95e5fe36aa3d1b22ff6769c652f3f3981398c9dd6b0e7162b21800

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "551207175fcc4db6c4e3d429c9fcb69fa731bbe06d16b28c8d25b796e4e67a61",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2014-03-26T15:44:35Z",
    "title_canon_sha256": "a5df46d0bf1f29671bfed88c54a17f5b91ecc54fd861c8fbad9d4e6caa284eb5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1403.6718",
    "kind": "arxiv",
    "version": 1
  }
}