Pith Number

pith:IKQQ54DO

pith:2026:IKQQ54DO7TGTBH6PTFLZNUMIKU

not attested not anchored not stored refs pending

A Double Proportionate Sparse Adaptive Filter for Impulsive Noise Environments

Falah Ibrahim Al Hassan, Felipe A. P. de Figueiredo, Hadi Zayyani, Hasan Abu Hilal, Mohammad Salman

arxiv:2606.08225 v1 · 2026-06-06 · 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{IKQQ54DO7TGTBH6PTFLZNUMIKU}

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	2026-06-09T01:05:30.612179Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

42a10ef06efccd309fcf995796d1885520cc292eb56fc343f4104073db706a3e

Aliases

arxiv: 2606.08225 · arxiv_version: 2606.08225v1 · doi: 10.48550/arxiv.2606.08225 · pith_short_12: IKQQ54DO7TGT · pith_short_16: IKQQ54DO7TGTBH6P · pith_short_8: IKQQ54DO

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/IKQQ54DO7TGTBH6PTFLZNUMIKU \
  | 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: 42a10ef06efccd309fcf995796d1885520cc292eb56fc343f4104073db706a3e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b4fc541fa204eba12d9642b930d62d21a0238e7e0f708eb61c966f808989518a",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2026-06-06T15:29:43Z",
    "title_canon_sha256": "dac0d442b889bf08e06216621708635ad0a530adedbd27b41350021b202601de"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.08225",
    "kind": "arxiv",
    "version": 1
  }
}