Pith Number

pith:GTRCZDLM

pith:2009:GTRCZDLMLITFU4X5CSTAXIRTUT

not attested not anchored not stored refs pending

Optimally Tuned Iterative Reconstruction Algorithms for Compressed Sensing

Arian Maleki, David L. Donoho

arxiv:0909.0777 v1 · 2009-09-03 · cs.NA · cs.IT · cs.MS · 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{GTRCZDLMLITFU4X5CSTAXIRTUT}

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.

Cited by

1 paper in Pith

Approximate Message Passing for Indoor THz Channel Estimation

Receipt and verification

First computed	2026-05-18T02:12:00.057997Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

34e22c8d6c5a265a72fd14a60ba233a4e271ca7be981244192c0a4394747362c

Aliases

arxiv: 0909.0777 · arxiv_version: 0909.0777v1 · doi: 10.48550/arxiv.0909.0777 · pith_short_12: GTRCZDLMLITF · pith_short_16: GTRCZDLMLITFU4X5 · pith_short_8: GTRCZDLM

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/GTRCZDLMLITFU4X5CSTAXIRTUT \
  | 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: 34e22c8d6c5a265a72fd14a60ba233a4e271ca7be981244192c0a4394747362c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "27ca9ee0d8f6a5758dcb1538e0365cc0088a48a11e06b3f0883545c53c8ed63e",
    "cross_cats_sorted": [
      "cs.IT",
      "cs.MS",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NA",
    "submitted_at": "2009-09-03T22:26:32Z",
    "title_canon_sha256": "91a367b36727be90a118c9d1df5772c40041b7c4c384e16fb8e32ef040b81ee2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0909.0777",
    "kind": "arxiv",
    "version": 1
  }
}