Pith Number

pith:NU4FBEOH

pith:2026:NU4FBEOH32454HAFDJ2E7ZAJDP

not attested not anchored not stored refs pending

Sparse Recovery via $\ell_p^p/\ell_q^p$ Ratio Minimization: Theory and Algorithm

Lang Yu, Nan-jing Huang

arxiv:2605.25397 v1 · 2026-05-25 · math.OC

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NU4FBEOH32454HAFDJ2E7ZAJDP}

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	2026-05-26T02:04:32.668948Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6d385091c7deb9de1c051a744fe4091bc8888bfbca4184afa82cf1be65932af7

Aliases

arxiv: 2605.25397 · arxiv_version: 2605.25397v1 · doi: 10.48550/arxiv.2605.25397 · pith_short_12: NU4FBEOH3245 · pith_short_16: NU4FBEOH32454HAF · pith_short_8: NU4FBEOH

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/NU4FBEOH32454HAFDJ2E7ZAJDP \
  | 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: 6d385091c7deb9de1c051a744fe4091bc8888bfbca4184afa82cf1be65932af7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fdfb33c4845c46c1c38227f9a88064199bace319aff1e4ac3b0366df741837b1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2026-05-25T03:44:37Z",
    "title_canon_sha256": "5127842b77cc2945cbecef9ba1c60ec816c52860ebc8faca5c0218bd59d7a830"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.25397",
    "kind": "arxiv",
    "version": 1
  }
}