Pith Number

pith:QBR4B5TS

pith:2010:QBR4B5TSLICB2LQH6XMLTR3NPH

not attested not anchored not stored refs pending

Worst Configurations (Instantons) for Compressed Sensing over Reals: a Channel Coding Approach

Bane Vasic, Michael Chertkov, Shashi Kiran Chilappagari

arxiv:1001.5113 v2 · 2010-01-28 · 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{QBR4B5TSLICB2LQH6XMLTR3NPH}

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	2026-05-18T00:57:57.913268Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8063c0f6725a041d2e07f5d8b9c76d79eeb1f06aa3514882d13e3df2e9cf864c

Aliases

arxiv: 1001.5113 · arxiv_version: 1001.5113v2 · doi: 10.48550/arxiv.1001.5113 · pith_short_12: QBR4B5TSLICB · pith_short_16: QBR4B5TSLICB2LQH · pith_short_8: QBR4B5TS

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/QBR4B5TSLICB2LQH6XMLTR3NPH \
  | 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: 8063c0f6725a041d2e07f5d8b9c76d79eeb1f06aa3514882d13e3df2e9cf864c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4974133a32dc6fa88b86e1f1ed40ce71aa96b5363437173c72074c74c40486de",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2010-01-28T07:08:33Z",
    "title_canon_sha256": "0a06deca7b762497aadba12741a76fda6e2a676806aa7ea1f2855d8df9ddf086"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1001.5113",
    "kind": "arxiv",
    "version": 2
  }
}