Pith Number

pith:WTEQC66R

pith:2017:WTEQC66R6UWLSDUTSCWYXBC7SC

not attested not anchored not stored refs pending

Global hard thresholding algorithms for joint sparse image representation and denoising

Aggelos Katsaggelos, Jeremy Watt, Reza Borhani

arxiv:1705.09816 v1 · 2017-05-27 · cs.CV · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WTEQC66R6UWLSDUTSCWYXBC7SC}

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	2026-05-18T00:43:34.421013Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b4c9017bd1f52cb90e9390ad8b845f90be70a2766c9203c40fd6e709381a8e65

Aliases

arxiv: 1705.09816 · arxiv_version: 1705.09816v1 · doi: 10.48550/arxiv.1705.09816 · pith_short_12: WTEQC66R6UWL · pith_short_16: WTEQC66R6UWLSDUT · pith_short_8: WTEQC66R

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/WTEQC66R6UWLSDUTSCWYXBC7SC \
  | 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: b4c9017bd1f52cb90e9390ad8b845f90be70a2766c9203c40fd6e709381a8e65

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3175195e14b1a34603e2f93cb00de4fd2b707318f842c849dce15fb1a0539154",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2017-05-27T12:40:24Z",
    "title_canon_sha256": "a2cd9b89c22476214777d5730e7864dae67347fe35446a29230720e27700c68a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.09816",
    "kind": "arxiv",
    "version": 1
  }
}