Pith Number

pith:NBVEK2YS

pith:2011:NBVEK2YSVY4T7DNMOHBWSPH7M7

not attested not anchored not stored refs pending

Salt-and-Pepper Noise Removal Based on Sparse Signal Processing

Abbas Kazerooni, Azarang Golmohammadi, Farokh Marvasti

arxiv:1111.3240 v1 · 2011-11-14 · 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{NBVEK2YSVY4T7DNMOHBWSPH7M7}

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	2026-05-18T04:08:22.729956Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

686a456b12ae393f8dac71c3693cff67df64ebe67fa1285425a20e9eec61b41a

Aliases

arxiv: 1111.3240 · arxiv_version: 1111.3240v1 · doi: 10.48550/arxiv.1111.3240 · pith_short_12: NBVEK2YSVY4T · pith_short_16: NBVEK2YSVY4T7DNM · pith_short_8: NBVEK2YS

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/NBVEK2YSVY4T7DNMOHBWSPH7M7 \
  | 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: 686a456b12ae393f8dac71c3693cff67df64ebe67fa1285425a20e9eec61b41a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "794c38cbb1006a73a762224d9bfc8062234bfaab88da358beb8eb0ba46f0b8d7",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2011-11-14T15:17:19Z",
    "title_canon_sha256": "de2b6cd9a3919172768d7bf0e7832d65cc42d95b92981efdccf33aed2d1a23b8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1111.3240",
    "kind": "arxiv",
    "version": 1
  }
}