Pith Number

pith:G2I3OWJC

pith:2014:G2I3OWJCOTU37UDU6YJ5LMMQL6

not attested not anchored not stored refs pending

Stable Cosparse Recovery via \ell_p-analysis Optimization

Hui Qian, JianYing Zhou, Shubao Zhang, Xiaojin Gong

arxiv:1409.4575 v4 · 2014-09-16 · 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{G2I3OWJCOTU37UDU6YJ5LMMQL6}

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	2026-05-18T00:07:19.175547Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3691b7592274e9bfd074f613d5b1905f8f9eacd336c1b9e37b4cd56c1be1f830

Aliases

arxiv: 1409.4575 · arxiv_version: 1409.4575v4 · doi: 10.48550/arxiv.1409.4575 · pith_short_12: G2I3OWJCOTU3 · pith_short_16: G2I3OWJCOTU37UDU · pith_short_8: G2I3OWJC

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/G2I3OWJCOTU37UDU6YJ5LMMQL6 \
  | 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: 3691b7592274e9bfd074f613d5b1905f8f9eacd336c1b9e37b4cd56c1be1f830

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f2fa750806347c71da58df2688400000bab350dece4621793e7a385ca227e16d",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2014-09-16T10:48:56Z",
    "title_canon_sha256": "22256d92cbf4494394c24ca6a3eae1d88230be6e8ccaeaf493457bbe5b8e1845"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.4575",
    "kind": "arxiv",
    "version": 4
  }
}