Pith Number

pith:7URVLTIL

pith:2022:7URVLTIL5SAIOK5Z2S7VUBWBM3

not attested not anchored not stored refs pending

Low Pass Filtering and Bandwidth Extension for Robust Anti-spoofing Countermeasure Against Codec Variabilities

Hiromitsu Nishizaki, Ming Li, Xingming Wang, Yikang Wang

arxiv:2211.06546 v1 · 2022-11-12 · cs.SD · eess.AS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7URVLTIL5SAIOK5Z2S7VUBWBM3}

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	2026-07-05T05:15:26.231548Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fd2355cd0bec80872bb9d4bf5a06c166cad2fd1f30534f03d648e6c1424f595b

Aliases

arxiv: 2211.06546 · arxiv_version: 2211.06546v1 · doi: 10.48550/arxiv.2211.06546 · pith_short_12: 7URVLTIL5SAI · pith_short_16: 7URVLTIL5SAIOK5Z · pith_short_8: 7URVLTIL

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/7URVLTIL5SAIOK5Z2S7VUBWBM3 \
  | 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: fd2355cd0bec80872bb9d4bf5a06c166cad2fd1f30534f03d648e6c1424f595b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "889340cf34a2b17384ffd983a582d0d8360d9788840eccda9258472e6af26961",
    "cross_cats_sorted": [
      "eess.AS"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.SD",
    "submitted_at": "2022-11-12T02:04:00Z",
    "title_canon_sha256": "8c3a18b44026553bcb382407a88fd2ef8246270a0e9571b3603216d7992edca3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2211.06546",
    "kind": "arxiv",
    "version": 1
  }
}