Pith Number

pith:45Q6DOLN

pith:2013:45Q6DOLNQTFVOFHJ7BQRANCZQI

not attested not anchored not stored refs pending

Damping Noise-Folding and Enhanced Support Recovery in Compressed Sensing

Marco Artina, Massimo Fornasier, Steffen Peter

arxiv:1307.5725 v3 · 2013-07-22 · math.NA · 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{45Q6DOLNQTFVOFHJ7BQRANCZQI}

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	2026-05-18T02:32:55.345340Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e761e1b96d84cb5714e9f8611034598200767461fdfcc1974eb682f8a01dd8ab

Aliases

arxiv: 1307.5725 · arxiv_version: 1307.5725v3 · doi: 10.48550/arxiv.1307.5725 · pith_short_12: 45Q6DOLNQTFV · pith_short_16: 45Q6DOLNQTFVOFHJ · pith_short_8: 45Q6DOLN

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/45Q6DOLNQTFVOFHJ7BQRANCZQI \
  | 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: e761e1b96d84cb5714e9f8611034598200767461fdfcc1974eb682f8a01dd8ab

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e1b42497d1fe9ce7767604be8ef7f3ebe45466d08b68267c1d16089f0f25fd8e",
    "cross_cats_sorted": [
      "cs.IT",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2013-07-22T14:20:26Z",
    "title_canon_sha256": "2b4eb022c2941b48441b510f9870c9efa9a0130240348da298696055b65d7cb5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.5725",
    "kind": "arxiv",
    "version": 3
  }
}