Pith Number

pith:MZFWHCOU

pith:2024:MZFWHCOURIRJ6YAL36OF2ZHPOE

not attested not anchored not stored refs pending

Sub-Nyquist USF Spectral Estimation: $K$ Frequencies with $6K + 4$ Modulo Samples

Ayush Bhandari, Ruiming Guo, Yuliang Zhu

arxiv:2409.16472 v1 · 2024-09-24 · cs.IT · eess.SP · 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{MZFWHCOURIRJ6YAL36OF2ZHPOE}

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	2026-07-05T09:11:34.359428Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

664b6389d48a229f600bdf9c5d64ef712cf7a6334f86b1027c360e576445ef3b

Aliases

arxiv: 2409.16472 · arxiv_version: 2409.16472v1 · doi: 10.48550/arxiv.2409.16472 · pith_short_12: MZFWHCOURIRJ · pith_short_16: MZFWHCOURIRJ6YAL · pith_short_8: MZFWHCOU

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/MZFWHCOURIRJ6YAL36OF2ZHPOE \
  | 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: 664b6389d48a229f600bdf9c5d64ef712cf7a6334f86b1027c360e576445ef3b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "47734b0958bc209206ba4761a6f4d4139cd7f28a90089f002824254d72f74db1",
    "cross_cats_sorted": [
      "eess.SP",
      "math.IT"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2024-09-24T21:47:42Z",
    "title_canon_sha256": "cb3f1c0fb9cad6d4c4d051ade4af26520687ddcca511fe66ce95f9330fa6e653"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2409.16472",
    "kind": "arxiv",
    "version": 1
  }
}