Pith Number

pith:A3P6NY6M

pith:2026:A3P6NY6M7M2FDQQO365PALJKRR

not attested not anchored not stored refs pending

Fast Cascaded Recursive Filtering via a Block-Matrix Reformulation

Bernd-Peter Paris, Haotian Zhai

arxiv:2607.14054 v1 · 2026-07-15 · 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{A3P6NY6M7M2FDQQO365PALJKRR}

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	2026-07-16T01:23:22.092981Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

06dfe6e3ccfb3451c20edfbaf02d2a8c61022b32a3a6e11b836bb43bf768fbe2

Aliases

arxiv: 2607.14054 · arxiv_version: 2607.14054v1 · doi: 10.48550/arxiv.2607.14054 · pith_short_12: A3P6NY6M7M2F · pith_short_16: A3P6NY6M7M2FDQQO · pith_short_8: A3P6NY6M

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/A3P6NY6M7M2FDQQO365PALJKRR \
  | 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: 06dfe6e3ccfb3451c20edfbaf02d2a8c61022b32a3a6e11b836bb43bf768fbe2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "54d21aa53a9f0ae207e1ebd27379057f05e30409fa90b3b83fd0709b4dd4da23",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2026-07-15T17:24:52Z",
    "title_canon_sha256": "9d5137cb0248542e8913e143600d8dd3594b36703f871479ed3903d4248bfc6b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.14054",
    "kind": "arxiv",
    "version": 1
  }
}