Pith Number

pith:MACZFXMC

pith:2013:MACZFXMCXE37LKRLWQ6HYNQCCS

not attested not anchored not stored refs pending

Sparse signal recovery by $\ell_q$ minimization under restricted isometry property

Chao-Bing Song, Shu-Tao Xia

arxiv:1310.2410 v2 · 2013-10-09 · 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{MACZFXMCXE37LKRLWQ6HYNQCCS}

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	2026-05-18T01:47:07.623155Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

600592dd82b937f5aa2bb43c7c3602148b084df1dd83b18822e9642bb56cbdd5

Aliases

arxiv: 1310.2410 · arxiv_version: 1310.2410v2 · doi: 10.48550/arxiv.1310.2410 · pith_short_12: MACZFXMCXE37 · pith_short_16: MACZFXMCXE37LKRL · pith_short_8: MACZFXMC

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/MACZFXMCXE37LKRLWQ6HYNQCCS \
  | 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: 600592dd82b937f5aa2bb43c7c3602148b084df1dd83b18822e9642bb56cbdd5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f37c0eaa607070f7aa5cd6cf6d7f9192d482f8368f284aea10b6ebce9531deed",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2013-10-09T09:35:32Z",
    "title_canon_sha256": "837f0bfbc34bbeb56ff657b3cab0aa92969e83cbce0f9fc71dd24d79e428b318"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1310.2410",
    "kind": "arxiv",
    "version": 2
  }
}