Pith Number

pith:FYUZ7I35

pith:2014:FYUZ7I35R2CFZD4HMCYPBLN3M3

not attested not anchored not stored refs pending

Phase-Optimized K-SVD for Signal Extraction from Underdetermined Multichannel Sparse Mixtures

Antoine Deleforge, Walter Kellermann

arxiv:1410.2430 v1 · 2014-10-09 · 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{FYUZ7I35R2CFZD4HMCYPBLN3M3}

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	2026-05-18T02:40:46.386714Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2e299fa37d8e845c8f8760b0f0adbb66c9b078f3155f463788b3e5d17d4787f0

Aliases

arxiv: 1410.2430 · arxiv_version: 1410.2430v1 · doi: 10.48550/arxiv.1410.2430 · pith_short_12: FYUZ7I35R2CF · pith_short_16: FYUZ7I35R2CFZD4H · pith_short_8: FYUZ7I35

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/FYUZ7I35R2CFZD4HMCYPBLN3M3 \
  | 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: 2e299fa37d8e845c8f8760b0f0adbb66c9b078f3155f463788b3e5d17d4787f0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b55c8841bda4710ae7c608d017ef97b54ffd267b212afa9884f5c2b3db05d280",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SD",
    "submitted_at": "2014-10-09T11:46:02Z",
    "title_canon_sha256": "ef60fc0a4e542a3b8d4a8619f5c1a2da0aab54858b74f39bb8673c4ee4aa58c0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1410.2430",
    "kind": "arxiv",
    "version": 1
  }
}