pith. sign in
Pith Number

pith:QPNNUZJT

pith:2012:QPNNUZJTHLGKVUWWMP4RUB75UR
not attested not anchored not stored refs pending

Rakeness in the design of Analog-to-Information Conversion of Sparse and Localized Signals

Gianluca Setti, Mauro Mangia, Riccardo Rovatti

arxiv:1205.1144 v1 · 2012-05-05 · cs.IT · cs.CV · math.IT

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{QPNNUZJTHLGKVUWWMP4RUB75UR}

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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 2026-05-18T02:21:15.661059Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

83dada65333accaad2d663f91a07fda45b6b0c02a4b74654d8de12da6acb54c7

Aliases

arxiv: 1205.1144 · arxiv_version: 1205.1144v1 · doi: 10.48550/arxiv.1205.1144 · pith_short_12: QPNNUZJTHLGK · pith_short_16: QPNNUZJTHLGKVUWW · pith_short_8: QPNNUZJT
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/QPNNUZJTHLGKVUWWMP4RUB75UR \
  | 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: 83dada65333accaad2d663f91a07fda45b6b0c02a4b74654d8de12da6acb54c7
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "4e8c1e1c416594931c279e038bc9e0a7d0eaec3ee4f9cc62827409cde27d2609",
    "cross_cats_sorted": [
      "cs.CV",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2012-05-05T14:50:04Z",
    "title_canon_sha256": "122445a8cc6235039f8ee6980f603e93db011e50914c3ae3f14f3d7d71c203b9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.1144",
    "kind": "arxiv",
    "version": 1
  }
}