Pith Number

pith:H7WP6SFR

pith:2011:H7WP6SFRMMK3KUWBWR4L7VBWST

not attested not anchored not stored refs pending

Accuracy guaranties for $\ell_1$ recovery of block-sparse signals

Anatoli Juditsky, Arkadi Nemirovski, Boris Polyak, Fatma K{\i}l{\i}n\c{c} Karzan

arxiv:1111.2546 v2 · 2011-11-10 · math.ST · math.OC · stat.ML · stat.TH

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{H7WP6SFRMMK3KUWBWR4L7VBWST}

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	2026-05-18T03:32:28.684698Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3fecff48b16315b552c1b478bfd43694da888a777ddf717734bb4806a90cb6ba

Aliases

arxiv: 1111.2546 · arxiv_version: 1111.2546v2 · doi: 10.48550/arxiv.1111.2546 · pith_short_12: H7WP6SFRMMK3 · pith_short_16: H7WP6SFRMMK3KUWB · pith_short_8: H7WP6SFR

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/H7WP6SFRMMK3KUWBWR4L7VBWST \
  | 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: 3fecff48b16315b552c1b478bfd43694da888a777ddf717734bb4806a90cb6ba

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3dd6082a9c6badb6de081ef1617639a238d9b371546ec1b6dbe99ae83c71541c",
    "cross_cats_sorted": [
      "math.OC",
      "stat.ML",
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.ST",
    "submitted_at": "2011-11-10T18:16:50Z",
    "title_canon_sha256": "096d43ff7f17eced4295695c0c435a045fb0f6705a4ce409f09e1d47831d6b15"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1111.2546",
    "kind": "arxiv",
    "version": 2
  }
}