Pith Number

pith:ZIQMJY6U

pith:2015:ZIQMJY6UFAFZA3643OVCVDMYBX

not attested not anchored not stored refs pending

Two improved normalized subband adaptive filter algorithms with good robustness against impulsive interferences

Badong Chen, Haiquan Zhao, Yi Yu, Zhengyou He

arxiv:1512.05338 v2 · 2015-12-16 · cs.OH

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZIQMJY6UFAFZA3643OVCVDMYBX}

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	2026-05-18T00:41:18.489938Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ca20c4e3d4280b906fdcdbaa2a8d980de1bb6647dc6891bea6a3dd395b387b23

Aliases

arxiv: 1512.05338 · arxiv_version: 1512.05338v2 · doi: 10.48550/arxiv.1512.05338 · pith_short_12: ZIQMJY6UFAFZ · pith_short_16: ZIQMJY6UFAFZA364 · pith_short_8: ZIQMJY6U

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/ZIQMJY6UFAFZA3643OVCVDMYBX \
  | 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: ca20c4e3d4280b906fdcdbaa2a8d980de1bb6647dc6891bea6a3dd395b387b23

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fc712d613c96c903ab2fa5e79703868806c876566bb932dd5d3d9d5f5c069644",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.OH",
    "submitted_at": "2015-12-16T04:41:30Z",
    "title_canon_sha256": "bfcec4f7083f6c59a4925095785abc705a8ca2b8c3ccb6ef3acaf7ae9c669dd0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.05338",
    "kind": "arxiv",
    "version": 2
  }
}