Pith Number

pith:C2MC5RNZ

pith:2009:C2MC5RNZRZHP4F7JKOVZU6C5LR

not attested not anchored not stored refs pending

Message Passing Algorithms for Compressed Sensing

Andrea Montanari, Arian Maleki, David L. Donoho

arxiv:0907.3574 v1 · 2009-07-21 · cs.IT · cond-mat.dis-nn · math.IT · stat.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{C2MC5RNZRZHP4F7JKOVZU6C5LR}

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	2026-05-18T02:12:55.206543Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

16982ec5b98e4efe17e953ab9a785d5c5b6485097291c0fd90678cceabc13673

Aliases

arxiv: 0907.3574 · arxiv_version: 0907.3574v1 · doi: 10.48550/arxiv.0907.3574 · pith_short_12: C2MC5RNZRZHP · pith_short_16: C2MC5RNZRZHP4F7J · pith_short_8: C2MC5RNZ

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/C2MC5RNZRZHP4F7JKOVZU6C5LR \
  | 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: 16982ec5b98e4efe17e953ab9a785d5c5b6485097291c0fd90678cceabc13673

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7a4e2547d90f5302df728b5c84bfa71f9d9a124497e07c50162753444bcc9f7e",
    "cross_cats_sorted": [
      "cond-mat.dis-nn",
      "math.IT",
      "stat.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2009-07-21T14:47:47Z",
    "title_canon_sha256": "682952ec3f1d5d9757ed45a065773c5e048adce799ecc9ee48ee4afb72eb991a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0907.3574",
    "kind": "arxiv",
    "version": 1
  }
}