Pith Number

pith:35O2GRZD

pith:2022:35O2GRZDX4A6U2M7VVBJC4JTQ6

not attested not anchored not stored refs pending

Optimal Fractional Fourier Filtering in Time-vertex Graphs signal processing

China), Haiyan Guo, Information Engineering, Nanjing 2100023, Nanjing University of Posts, Telecommunications, Tingting Wang, Zhen Yang (School of Communication, Zirui Ge

arxiv:2201.04335 v1 · 2022-01-12 · eess.SP · math.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{35O2GRZDX4A6U2M7VVBJC4JTQ6}

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	2026-07-05T03:47:59.337876Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

df5da34723bf01ea699fad4291713387abf546017c108b7915c5ddaf8f89436e

Aliases

arxiv: 2201.04335 · arxiv_version: 2201.04335v1 · doi: 10.48550/arxiv.2201.04335 · pith_short_12: 35O2GRZDX4A6 · pith_short_16: 35O2GRZDX4A6U2M7 · pith_short_8: 35O2GRZD

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/35O2GRZDX4A6U2M7VVBJC4JTQ6 \
  | 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: df5da34723bf01ea699fad4291713387abf546017c108b7915c5ddaf8f89436e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c73442b63e8b9c01c7c91bfc35cb4ed804bee0f47cb57f09c92ecc25909d2691",
    "cross_cats_sorted": [
      "math.SP"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2022-01-12T06:51:28Z",
    "title_canon_sha256": "b62a6cd727ee767c3de39b9281491fa98b98901a83d5e7cdf7538afc2054ef08"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2201.04335",
    "kind": "arxiv",
    "version": 1
  }
}