Pith Number

pith:SIOEZY5Z

pith:2018:SIOEZY5ZI64IEBNLHWZ566N7MH

not attested not anchored not stored refs pending

Is the 1-norm the best convex sparse regularization?

IMB), R\'emi Gribonval (PANAMA), Samuel Vaiter (CNRS, Yann Traonmilin (CNRS

arxiv:1806.08690 v1 · 2018-06-21 · cs.IT · math.IT

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SIOEZY5ZI64IEBNLHWZ566N7MH}

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	2026-05-18T00:12:36.448855Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

921c4ce3b947b88205ab3db3df79bf61f56e2a880fdd8745f23e1d9cda089b88

Aliases

arxiv: 1806.08690 · arxiv_version: 1806.08690v1 · doi: 10.48550/arxiv.1806.08690 · pith_short_12: SIOEZY5ZI64I · pith_short_16: SIOEZY5ZI64IEBNL · pith_short_8: SIOEZY5Z

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/SIOEZY5ZI64IEBNLHWZ566N7MH \
  | 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: 921c4ce3b947b88205ab3db3df79bf61f56e2a880fdd8745f23e1d9cda089b88

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d7533b534b16e4941c9ecc647895bf5cc8db0b774f77727695f2cb3af0959b52",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2018-06-21T09:10:01Z",
    "title_canon_sha256": "2edb8983cab0df3cc3fbd1248737a6878ec9740c23eead9324f274f646f642e6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.08690",
    "kind": "arxiv",
    "version": 1
  }
}