Pith Number

pith:DH6L6QJ2

pith:2011:DH6L6QJ2R4XBF26MB5R3UV5WMM

not attested not anchored not stored refs pending

Sparse Representation of White Gaussian Noise with Application to L0-Norm Decoding in Noisy Compressed Sensing

Ori Shental

arxiv:1104.2215 v4 · 2011-04-12 · 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{DH6L6QJ2R4XBF26MB5R3UV5WMM}

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	2026-05-18T00:51:01.725557Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

19fcbf413a8f2e12ebcc0f63ba57b6633d7a1a1f090baca748c3d351772fc7f7

Aliases

arxiv: 1104.2215 · arxiv_version: 1104.2215v4 · doi: 10.48550/arxiv.1104.2215 · pith_short_12: DH6L6QJ2R4XB · pith_short_16: DH6L6QJ2R4XBF26M · pith_short_8: DH6L6QJ2

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/DH6L6QJ2R4XBF26MB5R3UV5WMM \
  | 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: 19fcbf413a8f2e12ebcc0f63ba57b6633d7a1a1f090baca748c3d351772fc7f7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "17b23642054584eac5621553dea66953c5f1c8cfe4cf93836076ec7897ff2f5b",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2011-04-12T14:04:21Z",
    "title_canon_sha256": "765818a4001e60df14d3825f642177e14ef525959d33cf1d3e1ab0803883ae45"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1104.2215",
    "kind": "arxiv",
    "version": 4
  }
}