Pith Number

pith:OWTJIEME

pith:2025:OWTJIEMEXXSIPWYJQZPNG56ZLA

not attested not anchored not stored refs pending

Sparse Phase Retrieval with Redundant Dictionary via $\ell_q (0<q\le 1)$-Analysis Model

Haiye Huo, Li Xiao

arxiv:2506.04576 v1 · 2025-06-05 · 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{OWTJIEMEXXSIPWYJQZPNG56ZLA}

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	2026-07-05T11:16:16.982363Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

75a6941184bde487db09865ed377d9583af92dbf5d515e515162194c82960c3f

Aliases

arxiv: 2506.04576 · arxiv_version: 2506.04576v1 · doi: 10.48550/arxiv.2506.04576 · pith_short_12: OWTJIEMEXXSI · pith_short_16: OWTJIEMEXXSIPWYJ · pith_short_8: OWTJIEME

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/OWTJIEMEXXSIPWYJQZPNG56ZLA \
  | 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: 75a6941184bde487db09865ed377d9583af92dbf5d515e515162194c82960c3f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ed8efff34c5c4e948123e1918f036a2673dc933efc5beaa1f70da1606594047c",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2025-06-05T02:52:50Z",
    "title_canon_sha256": "09816f7800236465ca8c514b214f0df0451ceb8000b2847397e1e54bbde94748"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2506.04576",
    "kind": "arxiv",
    "version": 1
  }
}