Pith Number

pith:JZYLR5RB

pith:2013:JZYLR5RB7KIOSYUNJTYJNO2II6

not attested not anchored not stored refs pending

Distributed soft thresholding for sparse signal recovery

Chiara Ravazzi, Enrico Magli, Sophie M. Fosson

arxiv:1301.2130 v2 · 2013-01-10 · cs.IT · cs.DC · math.IT · 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{JZYLR5RB7KIOSYUNJTYJNO2II6}

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	2026-05-18T03:10:37.123778Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4e70b8f621fa90e9628d4cf096bb484795dafd28c0e2d774d410ded0203fee6e

Aliases

arxiv: 1301.2130 · arxiv_version: 1301.2130v2 · doi: 10.48550/arxiv.1301.2130 · pith_short_12: JZYLR5RB7KIO · pith_short_16: JZYLR5RB7KIOSYUN · pith_short_8: JZYLR5RB

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/JZYLR5RB7KIOSYUNJTYJNO2II6 \
  | 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: 4e70b8f621fa90e9628d4cf096bb484795dafd28c0e2d774d410ded0203fee6e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "42c9a3439113982abd0e685ab2c94e04a4bc833a21ee040491d15524f94214c8",
    "cross_cats_sorted": [
      "cs.DC",
      "math.IT",
      "math.OC"
    ],
    "license": "http://creativecommons.org/licenses/by/3.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2013-01-10T14:16:33Z",
    "title_canon_sha256": "255ffc2350013d9e8bc2b0fd927cf37db55b75874dd3056a23dad375ba4eafaf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.2130",
    "kind": "arxiv",
    "version": 2
  }
}