Pith Number

pith:T2EPD4EJ

pith:2012:T2EPD4EJEDSXKOX5AKW7LHT7BI

not attested not anchored not stored refs pending

Approximate Message Passing with Consistent Parameter Estimation and Applications to Sparse Learning

Alyson K. Fletcher, Michael Unser, Sundeep Rangan, Ulugbek S. Kamilov

arxiv:1207.3859 v3 · 2012-07-17 · cs.IT · cs.LG · 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{T2EPD4EJEDSXKOX5AKW7LHT7BI}

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	2026-05-18T03:39:28.339601Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9e88f1f08920e5753afd02adf59e7f0a1b111ea2516db6d9eebc8b51195ed000

Aliases

arxiv: 1207.3859 · arxiv_version: 1207.3859v3 · doi: 10.48550/arxiv.1207.3859 · pith_short_12: T2EPD4EJEDSX · pith_short_16: T2EPD4EJEDSXKOX5 · pith_short_8: T2EPD4EJ

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/T2EPD4EJEDSXKOX5AKW7LHT7BI \
  | 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: 9e88f1f08920e5753afd02adf59e7f0a1b111ea2516db6d9eebc8b51195ed000

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "292d5dc8d13174bc5d79e17b1eefea0ca8c4f1af58aa62dd6d9a61c79b9ddcf9",
    "cross_cats_sorted": [
      "cs.LG",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2012-07-17T01:50:46Z",
    "title_canon_sha256": "b8179a106b850a6c4c7025fb28deae5105a99c9839b018693b5b8e747ea93a2e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.3859",
    "kind": "arxiv",
    "version": 3
  }
}