Pith Number

pith:RIOWGLDC

pith:2010:RIOWGLDC656A775LTAYZYM4FKR

not attested not anchored not stored refs pending

Performance Analysis of Sparse Recovery Based on Constrained Minimal Singular Values

Arye Nehorai, Gongguo Tang

arxiv:1004.4222 v2 · 2010-04-23 · 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{RIOWGLDC656A775LTAYZYM4FKR}

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	2026-05-18T02:07:54.399267Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8a1d632c62f77c0fffab98319c33855443d47f1d9c56c2dbea89a141a7222771

Aliases

arxiv: 1004.4222 · arxiv_version: 1004.4222v2 · doi: 10.48550/arxiv.1004.4222 · pith_short_12: RIOWGLDC656A · pith_short_16: RIOWGLDC656A775L · pith_short_8: RIOWGLDC

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/RIOWGLDC656A775LTAYZYM4FKR \
  | 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: 8a1d632c62f77c0fffab98319c33855443d47f1d9c56c2dbea89a141a7222771

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1a4fad21d982dadc0dbe51ea56a0ee8d7178651c0d9f208d49888753b0ee6670",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2010-04-23T20:39:35Z",
    "title_canon_sha256": "41e49b42667483ac1a28556cff4aedf54256dd8968a2e6e810d7796c36ba8bd8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1004.4222",
    "kind": "arxiv",
    "version": 2
  }
}