Pith Number

pith:5KYM2N7P

pith:2007:5KYM2N7PDO4NZNGUOYGKR7BVVZ

not attested not anchored not stored refs pending

On the performance of algorithms for the minimization of $\ell_1$-penalized functionals

Ignace Loris

arxiv:0710.4082 v3 · 2007-10-22 · 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{5KYM2N7PDO4NZNGUOYGKR7BVVZ}

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	2026-05-18T03:37:42.178336Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eab0cd37ef1bb8dcb4d4760ca8fc35ae71f1023edd737a6faaee6bdf94a8b55f

Aliases

arxiv: 0710.4082 · arxiv_version: 0710.4082v3 · doi: 10.48550/arxiv.0710.4082 · pith_short_12: 5KYM2N7PDO4N · pith_short_16: 5KYM2N7PDO4NZNGU · pith_short_8: 5KYM2N7P

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/5KYM2N7PDO4NZNGUOYGKR7BVVZ \
  | 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: eab0cd37ef1bb8dcb4d4760ca8fc35ae71f1023edd737a6faaee6bdf94a8b55f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bcce5bc266a42181c100983df911acd12eb5848c5fd32afbd1760e5e13acdd48",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2007-10-22T15:47:33Z",
    "title_canon_sha256": "79e05aaf953638136b235bc8c5e9b0ff00e7b5cd351b51cefac52f8356021d7e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0710.4082",
    "kind": "arxiv",
    "version": 3
  }
}