Pith Number

pith:KKI452V2

pith:2017:KKI452V2DACPH375TZHBGHHIDV

not attested not anchored not stored refs pending

Maximal Solutions of Sparse Analysis Regularization

Abderrahim Jourani (IMB), Abdessamad Barbara (IMB), IMB), Samuel Vaiter (CNRS

arxiv:1703.00192 v1 · 2017-03-01 · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KKI452V2DACPH375TZHBGHHIDV}

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	2026-05-18T00:49:45.667229Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5291ceeaba1804f3effd9e4e131ce81d625455cf6506608d8049761a2935f6e6

Aliases

arxiv: 1703.00192 · arxiv_version: 1703.00192v1 · doi: 10.48550/arxiv.1703.00192 · pith_short_12: KKI452V2DACP · pith_short_16: KKI452V2DACPH375 · pith_short_8: KKI452V2

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/KKI452V2DACPH375TZHBGHHIDV \
  | 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: 5291ceeaba1804f3effd9e4e131ce81d625455cf6506608d8049761a2935f6e6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2c5268cc03d3640f166a5c3719f904ca7ccf4fe467f6b1c2cb3c1cfa6e3c359c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2017-03-01T09:30:30Z",
    "title_canon_sha256": "1f920dae2278c9781e7e24ebc061d3c0ff9190d9c88e2b80dff60e581ab81b6e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.00192",
    "kind": "arxiv",
    "version": 1
  }
}