Pith Number

pith:BG7DPJ65

pith:2021:BG7DPJ65S3YFWL4Z7ZNT6RNFG2

not attested not anchored not stored refs pending

Graph Signal Processing: Dualizing GSP Sampling in the Vertex and Spectral Domains

John Shi, Jose M. F. Moura

arxiv:2103.11020 v3 · 2021-03-19 · 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{BG7DPJ65S3YFWL4Z7ZNT6RNFG2}

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	2026-07-05T04:35:34.084897Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

09be37a7dd96f05b2f99fe5b3f45a536bd6f6b58ae5ad59ee387d27ea527e82b

Aliases

arxiv: 2103.11020 · arxiv_version: 2103.11020v3 · doi: 10.48550/arxiv.2103.11020 · pith_short_12: BG7DPJ65S3YF · pith_short_16: BG7DPJ65S3YFWL4Z · pith_short_8: BG7DPJ65

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/BG7DPJ65S3YFWL4Z7ZNT6RNFG2 \
  | 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: 09be37a7dd96f05b2f99fe5b3f45a536bd6f6b58ae5ad59ee387d27ea527e82b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "97fe1ef40335649e6dcc0286ce4860c30393b36331d7c26f535481e5106cbb44",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2021-03-19T20:54:11Z",
    "title_canon_sha256": "f334804d90610e671979f13b922bb01451ef6c633fafa8abdd6de25f87ad602b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2103.11020",
    "kind": "arxiv",
    "version": 3
  }
}