Pith Number

pith:JJ7WPAE3

pith:2022:JJ7WPAE3TID2OG4YE44U75LBA4

not attested not anchored not stored refs pending

Universal Graph Filter Design based on Butterworth, Chebyshev and Elliptic Functions

Haiyan Guo, Tingting Wang, Zhen Yang, Zirui Ge

arxiv:2203.14748 v1 · 2022-03-28 · 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{JJ7WPAE3TID2OG4YE44U75LBA4}

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	2026-07-05T04:09:08.431198Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4a7f67809b9a07a71b9827394ff561072a343753c5bcb1a3e53ac1a4a8cca51e

Aliases

arxiv: 2203.14748 · arxiv_version: 2203.14748v1 · doi: 10.48550/arxiv.2203.14748 · pith_short_12: JJ7WPAE3TID2 · pith_short_16: JJ7WPAE3TID2OG4Y · pith_short_8: JJ7WPAE3

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/JJ7WPAE3TID2OG4YE44U75LBA4 \
  | 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: 4a7f67809b9a07a71b9827394ff561072a343753c5bcb1a3e53ac1a4a8cca51e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d9290a791301a5276cdd6bcce96ef9e83779d6c9c6b44cf79226486a0806d9d1",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2022-03-28T13:38:10Z",
    "title_canon_sha256": "369afebebfe58cd7e91f3915e842705e5df5b7b90bf5948ba2d983cbd059894a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2203.14748",
    "kind": "arxiv",
    "version": 1
  }
}