Pith Number

pith:NRJR3ZHH

pith:2026:NRJR3ZHHJ7HRDUBAUBEN5YLFDF

not attested not anchored not stored refs pending

Half-Quadratic Criterion based Adaptive Graph Signal Processing Algorithm

Chengjin Li, Chong Zhang, Haiquan Zhao

arxiv:2605.26950 v1 · 2026-05-26 · eess.SP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NRJR3ZHHJ7HRDUBAUBEN5YLFDF}

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	2026-05-27T01:06:21.191441Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6c531de4e74fcf11d020a048dee16519517a54cc2b59f27b3d489e89879193b6

Aliases

arxiv: 2605.26950 · arxiv_version: 2605.26950v1 · doi: 10.48550/arxiv.2605.26950 · pith_short_12: NRJR3ZHHJ7HR · pith_short_16: NRJR3ZHHJ7HRDUBA · pith_short_8: NRJR3ZHH

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/NRJR3ZHHJ7HRDUBAUBEN5YLFDF \
  | 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: 6c531de4e74fcf11d020a048dee16519517a54cc2b59f27b3d489e89879193b6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "312cc303113a9cd170f2f5687a34106c469342f8e6f8ec67c93e62fde2554fc8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2026-05-26T12:41:21Z",
    "title_canon_sha256": "58d8b69ea5881af7c062c9ac4a455e8240362dfcd2fe9a75087dba90e4aa01ab"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.26950",
    "kind": "arxiv",
    "version": 1
  }
}