Pith Number

pith:AWSBKT5B

pith:2013:AWSBKT5BHLMPZT23MYA2KWICQZ

not attested not anchored not stored refs pending

YY Filter - A Paradigm of Digital Signal Processing

Masaaki Nagahara

arxiv:1308.3302 v1 · 2013-08-15 · cs.IT · cs.SY · math.IT · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{AWSBKT5BHLMPZT23MYA2KWICQZ}

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	2026-05-18T03:15:55.136055Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

05a4154fa13ad8fccf5b6601a55902864e0e42324616f7bda18ad95e5d6efbd4

Aliases

arxiv: 1308.3302 · arxiv_version: 1308.3302v1 · doi: 10.48550/arxiv.1308.3302 · pith_short_12: AWSBKT5BHLMP · pith_short_16: AWSBKT5BHLMPZT23 · pith_short_8: AWSBKT5B

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/AWSBKT5BHLMPZT23MYA2KWICQZ \
  | 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: 05a4154fa13ad8fccf5b6601a55902864e0e42324616f7bda18ad95e5d6efbd4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8116321b9afda396dbc1d4d9c3532251b6c1f9405a5542559995b9f851fe74c3",
    "cross_cats_sorted": [
      "cs.SY",
      "math.IT",
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2013-08-15T04:47:23Z",
    "title_canon_sha256": "f88aa308c4db3aea8b11a449f89c7f1034e187208fcf2dd644c4af11c1cd87cc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.3302",
    "kind": "arxiv",
    "version": 1
  }
}