Pith Number

pith:4LGLVEIU

pith:2018:4LGLVEIUFFW7QM2CNVN4VBYUG3

not attested not anchored not stored refs pending

An Improved Recursive and Non-recursive Comb filter for DSP applications

Masuri Othman, Rozita Teymourzadeh

arxiv:1808.02344 v1 · 2018-06-09 · 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{4LGLVEIUFFW7QM2CNVN4VBYUG3}

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	2026-05-18T00:08:46.846713Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e2ccba9114296df833426d5bca871436e56c6e60b35c365390908119900ee739

Aliases

arxiv: 1808.02344 · arxiv_version: 1808.02344v1 · doi: 10.48550/arxiv.1808.02344 · pith_short_12: 4LGLVEIUFFW7 · pith_short_16: 4LGLVEIUFFW7QM2C · pith_short_8: 4LGLVEIU

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/4LGLVEIUFFW7QM2CNVN4VBYUG3 \
  | 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: e2ccba9114296df833426d5bca871436e56c6e60b35c365390908119900ee739

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b05cbf26d8c356f2a64ff56176af7921af3504ba7eebf70dd831debc2f42d2a2",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2018-06-09T21:46:51Z",
    "title_canon_sha256": "9f80f04361516318d52e6c51c82983ce5016a05c386bc338ae0d29723c893425"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.02344",
    "kind": "arxiv",
    "version": 1
  }
}