Pith Number

pith:QBE34DYL

pith:2026:QBE34DYLXLKQLXQ2QOSZ3ZFTRH

not attested not anchored not stored refs pending

Unrolling a Graph-Laplacian Denoiser Realizes Only Compositions of Polynomial Graph Filters

Seyed Alireza Hosseini

arxiv:2608.09923 v1 · 2026-08-10 · eess.SP · eess.IV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QBE34DYLXLKQLXQ2QOSZ3ZFTRH}

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	2026-08-11T02:25:28.144192Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8049be0f0bbad505de1a83a59de4b389dcb3ba089b39f5aacc6aff55d77dc4c3

Aliases

arxiv: 2608.09923 · arxiv_version: 2608.09923v1 · doi: 10.48550/arxiv.2608.09923 · pith_short_12: QBE34DYLXLKQ · pith_short_16: QBE34DYLXLKQLXQ2 · pith_short_8: QBE34DYL

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/QBE34DYLXLKQLXQ2QOSZ3ZFTRH \
  | 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: 8049be0f0bbad505de1a83a59de4b389dcb3ba089b39f5aacc6aff55d77dc4c3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0a1e872e98d26b593b53585bd27329e4d084445427947fa735a099f587db1a03",
    "cross_cats_sorted": [
      "eess.IV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2026-08-10T17:58:55Z",
    "title_canon_sha256": "f2d7646155bf844d12a569df2ee09ee2ca4255c46d94bdf11bf3ecd58edc1ca6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2608.09923",
    "kind": "arxiv",
    "version": 1
  }
}