Pith Number

pith:EHNFCK5Z

pith:2018:EHNFCK5ZDM2TCT4Q4F5X24WENG

not attested not anchored not stored refs pending

On the Well-Posedness of a Parametric Spectral Estimation Problem and Its Numerical Solution

Bin Zhu

arxiv:1802.09330 v2 · 2018-02-26 · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EHNFCK5ZDM2TCT4Q4F5X24WENG}

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.

Cited by

1 paper in Pith

Fusion of Sensors Data in Automotive Radar Systems: A Spectral Estimation Approach

Receipt and verification

First computed	2026-07-04T23:52:02.101495Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

21da512bb91b35314f90e17b7d72c46992a0e2f726ae599c10c16d5c28943105

Aliases

arxiv: 1802.09330 · arxiv_version: 1802.09330v2 · doi: 10.48550/arxiv.1802.09330 · pith_short_12: EHNFCK5ZDM2T · pith_short_16: EHNFCK5ZDM2TCT4Q · pith_short_8: EHNFCK5Z

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/EHNFCK5ZDM2TCT4Q4F5X24WENG \
  | 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: 21da512bb91b35314f90e17b7d72c46992a0e2f726ae599c10c16d5c28943105

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4064e22fb0a23ba3686cc8bb6ecbf744baf8167dde8264f2671a42a2d4947420",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2018-02-26T14:42:39Z",
    "title_canon_sha256": "0449dae04d8bb9ea19e4829370a928f98e6d73ed6904daef7ce1bc7abf7af586"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.09330",
    "kind": "arxiv",
    "version": 2
  }
}