Pith Number

pith:EQYJHLI6

pith:2012:EQYJHLI6L6SPQSEL5SSMZG4MUU

not attested not anchored not stored refs pending

Sparsity-Aware Learning and Compressed Sensing: An Overview

Konstantinos Slavakis, Sergios Theodoridis, Yannis Kopsinis

arxiv:1211.5231 v1 · 2012-11-22 · 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{EQYJHLI6L6SPQSEL5SSMZG4MUU}

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	2026-05-18T03:40:04.952680Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

243093ad1e5fa4f8488beca4cc9b8ca5362d44a7a2f051baed4a81ba9a63a48f

Aliases

arxiv: 1211.5231 · arxiv_version: 1211.5231v1 · doi: 10.48550/arxiv.1211.5231 · pith_short_12: EQYJHLI6L6SP · pith_short_16: EQYJHLI6L6SPQSEL · pith_short_8: EQYJHLI6

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/EQYJHLI6L6SPQSEL5SSMZG4MUU \
  | 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: 243093ad1e5fa4f8488beca4cc9b8ca5362d44a7a2f051baed4a81ba9a63a48f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2de33d0729f6b85c37e8ef78618ec902010d21d9f6fa6d7c76ba3bcdebd56523",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2012-11-22T08:43:52Z",
    "title_canon_sha256": "28e7f1faca3fdb472aa0c3980eef44ba4bb9b69d3e5472b8394be437ad803d94"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1211.5231",
    "kind": "arxiv",
    "version": 1
  }
}