Pith Number

pith:HS5VDJ7E

pith:2026:HS5VDJ7ETV2CI4JTBHX3DTAMIH

not attested not anchored not stored refs pending

Optimal Wiener-Filter Solutions for Denoising of Graph Signals on Directed Graphs

Alexandre Cionca, Chun Hei Michael Chan, Dimitri Van De Ville

arxiv:2606.07876 v1 · 2026-06-05 · eess.SP · cs.CE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HS5VDJ7ETV2CI4JTBHX3DTAMIH}

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	2026-06-09T01:04:54.317813Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3cbb51a7e49d7424713309efb1cc0c41d652b70b7addb104ae5696de89a0276c

Aliases

arxiv: 2606.07876 · arxiv_version: 2606.07876v1 · doi: 10.48550/arxiv.2606.07876 · pith_short_12: HS5VDJ7ETV2C · pith_short_16: HS5VDJ7ETV2CI4JT · pith_short_8: HS5VDJ7E

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/HS5VDJ7ETV2CI4JTBHX3DTAMIH \
  | 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: 3cbb51a7e49d7424713309efb1cc0c41d652b70b7addb104ae5696de89a0276c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e9692785ce21a8fe846d2d45da86f6654c7862a244c68da2d7df7f70b03305b5",
    "cross_cats_sorted": [
      "cs.CE"
    ],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2026-06-05T22:19:06Z",
    "title_canon_sha256": "b02f9c0852251d5f8f2a5f4eac455844f1e48214f2dc9485eca9f49eb1658fe5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.07876",
    "kind": "arxiv",
    "version": 1
  }
}