Pith Number

pith:LFIM6AKC

pith:2015:LFIM6AKCC5S3GM5NTTRMMISCN5

not attested not anchored not stored refs pending

Sparsity and cosparsity for audio declipping: a flexible non-convex approach

Nancy Bertin (PANAMA), R\'emi Gribonval (PANAMA), Sr{\dj}an Kiti\'c (PANAMA)

arxiv:1506.01830 v2 · 2015-06-05 · cs.SD

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LFIM6AKCC5S3GM5NTTRMMISCN5}

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	2026-05-18T01:55:41.331691Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5950cf01421765b333ad9ce2c622426f431a0cdbfa5edfc94eed66215b529511

Aliases

arxiv: 1506.01830 · arxiv_version: 1506.01830v2 · doi: 10.48550/arxiv.1506.01830 · pith_short_12: LFIM6AKCC5S3 · pith_short_16: LFIM6AKCC5S3GM5N · pith_short_8: LFIM6AKC

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/LFIM6AKCC5S3GM5NTTRMMISCN5 \
  | 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: 5950cf01421765b333ad9ce2c622426f431a0cdbfa5edfc94eed66215b529511

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2ed1fc97171e9a36d257193b9dd3c6b48ac2472186253a14bdd8255b8e8e63dd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SD",
    "submitted_at": "2015-06-05T09:20:00Z",
    "title_canon_sha256": "a2f525b463ad4691d948d7e2a873463fff32adc8f2a401666fe37b072dbfaa2d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.01830",
    "kind": "arxiv",
    "version": 2
  }
}