pith. sign in
Pith Number

pith:3NPM3CAB

pith:2014:3NPM3CABCQI6I4V2JAI773J6C6
not attested not anchored not stored refs pending

Image representation and denoising using squared eigenfunctions of Schrodinger operator

Taous-Meriem Laleg-Kirati, Zineb Kaisserli

arxiv:1409.3720 v1 · 2014-09-12 · math.SP

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{3NPM3CABCQI6I4V2JAI773J6C6}

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 2026-05-18T02:42:54.761226Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

db5ecd88011411e472ba4811ffed3e179f9e060adeae3d12516b917687fcde16

Aliases

arxiv: 1409.3720 · arxiv_version: 1409.3720v1 · doi: 10.48550/arxiv.1409.3720 · pith_short_12: 3NPM3CABCQI6 · pith_short_16: 3NPM3CABCQI6I4V2 · pith_short_8: 3NPM3CAB
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/3NPM3CABCQI6I4V2JAI773J6C6 \
  | 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: db5ecd88011411e472ba4811ffed3e179f9e060adeae3d12516b917687fcde16
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "1eec5e1c87f635b13e197c99848be4ebca14067e5dc08f877782392c2ed5bcaa",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.SP",
    "submitted_at": "2014-09-12T12:47:11Z",
    "title_canon_sha256": "1a5bee3e95a801e78f80dedb2e362357fab3b5d50fc83432b403ef7af002e39f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.3720",
    "kind": "arxiv",
    "version": 1
  }
}