Pith Number

pith:2FW4LQKJ

pith:2013:2FW4LQKJL7KCMM263RDWRD4NK7

not attested not anchored not stored refs pending

Sparsity Based Poisson Denoising with Dictionary Learning

Michael Elad, Raja Giryes

arxiv:1309.4306 v3 · 2013-09-17 · cs.CV · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2FW4LQKJL7KCMM263RDWRD4NK7}

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	2026-05-18T01:47:36.602627Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d16dc5c1495fd426335edc47688f8d57e927fefc9ba445b749b201b92fcba5b8

Aliases

arxiv: 1309.4306 · arxiv_version: 1309.4306v3 · doi: 10.48550/arxiv.1309.4306 · pith_short_12: 2FW4LQKJL7KC · pith_short_16: 2FW4LQKJL7KCMM26 · pith_short_8: 2FW4LQKJ

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/2FW4LQKJL7KCMM263RDWRD4NK7 \
  | 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: d16dc5c1495fd426335edc47688f8d57e927fefc9ba445b749b201b92fcba5b8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2dd1501d94606258aa0dfda320032063f373f1b467341faebc872e078a212f3e",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2013-09-17T13:46:26Z",
    "title_canon_sha256": "1a34bc9ead3bc2e0b2e46e6528a2f4162cdfb0695ca9e70db89a7b06e84a3285"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.4306",
    "kind": "arxiv",
    "version": 3
  }
}