Pith Number

pith:2DEEUH2I

pith:2024:2DEEUH2IAUV2NG3CXRE7HX7H34

not attested not anchored not stored refs pending

FFT reconstruction of signals from MIMO sampled data

Dong Cheng, Kit Ian Kou, Xiaoxiao Hu

arxiv:2409.03768 v1 · 2024-08-21 · cs.IT · eess.SP · math.CA · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2DEEUH2IAUV2NG3CXRE7HX7H34}

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	2026-07-05T09:03:56.717348Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d0c84a1f48052ba69b62bc49f3dfe7df3485965c7bdcfed596fe27f914f11c29

Aliases

arxiv: 2409.03768 · arxiv_version: 2409.03768v1 · doi: 10.48550/arxiv.2409.03768 · pith_short_12: 2DEEUH2IAUV2 · pith_short_16: 2DEEUH2IAUV2NG3C · pith_short_8: 2DEEUH2I

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/2DEEUH2IAUV2NG3CXRE7HX7H34 \
  | 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: d0c84a1f48052ba69b62bc49f3dfe7df3485965c7bdcfed596fe27f914f11c29

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2949b8192f814d55c6e255ae21acc793d6f765400e40651e13185192bfa85903",
    "cross_cats_sorted": [
      "eess.SP",
      "math.CA",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2024-08-21T05:54:58Z",
    "title_canon_sha256": "283e63c8ec564fbfb20b2b0ed0a5422f1b37401c1418ccd4e9a70f15fe49c00d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2409.03768",
    "kind": "arxiv",
    "version": 1
  }
}