Pith Number

pith:IZLBSHHX

pith:2018:IZLBSHHXOYAWYFOUEWRURORZVF

not attested not anchored not stored refs pending

On $q$-ratio CMSV for sparse recovery

Jun Yu, Zhiyong Zhou

arxiv:1805.12022 v2 · 2018-05-30 · 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{IZLBSHHXOYAWYFOUEWRURORZVF}

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	2026-05-18T00:14:33.539658Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4656191cf776016c15d425a348ba39a9506dd0ca99459d1fef8cb700769001b5

Aliases

arxiv: 1805.12022 · arxiv_version: 1805.12022v2 · doi: 10.48550/arxiv.1805.12022 · pith_short_12: IZLBSHHXOYAW · pith_short_16: IZLBSHHXOYAWYFOU · pith_short_8: IZLBSHHX

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/IZLBSHHXOYAWYFOUEWRURORZVF \
  | 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: 4656191cf776016c15d425a348ba39a9506dd0ca99459d1fef8cb700769001b5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5d296600f4378623095413026239872e9753cc331ebc78e320739a20708c2009",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2018-05-30T15:07:47Z",
    "title_canon_sha256": "bdea0366a70030c6b212864b76bb70062ff4c70100d79c907aca2f048922a50c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.12022",
    "kind": "arxiv",
    "version": 2
  }
}