Pith Number

pith:YRTJYFCU

pith:2014:YRTJYFCUZSLDQURC3BMMYAI656

not attested not anchored not stored refs pending

Robust iterative hard thresholding for compressed sensing

Esa Ollila, Hyon-Jung Kim, Visa Koivunen

arxiv:1405.1502 v1 · 2014-05-07 · cs.IT · math.IT · stat.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YRTJYFCUZSLDQURC3BMMYAI656}

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	2026-05-18T02:52:24.711711Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c4669c1454cc96385222d858cc011eefb527603a1187cade921e183ae5a57986

Aliases

arxiv: 1405.1502 · arxiv_version: 1405.1502v1 · doi: 10.48550/arxiv.1405.1502 · pith_short_12: YRTJYFCUZSLD · pith_short_16: YRTJYFCUZSLDQURC · pith_short_8: YRTJYFCU

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/YRTJYFCUZSLDQURC3BMMYAI656 \
  | 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: c4669c1454cc96385222d858cc011eefb527603a1187cade921e183ae5a57986

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c708a2d25da5b51d695e920ebb064ea83727b9049feb140a151d01da01ceda88",
    "cross_cats_sorted": [
      "math.IT",
      "stat.AP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2014-05-07T04:38:45Z",
    "title_canon_sha256": "f832e3e50ec6014d5c6c578d76048e8348736c6e3335c47a2540297606639713"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1405.1502",
    "kind": "arxiv",
    "version": 1
  }
}