Pith Number

pith:C6C7TYYZ

pith:2021:C6C7TYYZR7HDEYVHKIS5D44YER

not attested not anchored not stored refs pending

A Computational Efficient Maximum Likelihood Direct Position Determination Approach for Multiple Emitters Using Angle and Doppler Measurements

Lei Xie, Ning Liu, Qun Wan, Yimao Sun, Ziqiang Wang

arxiv:2112.02218 v1 · 2021-12-04 · 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{C6C7TYYZR7HDEYVHKIS5D44YER}

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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

Comprehensive Review of Doppler Shift Localization Methods: Advances, Limitations, and Research Opportunities

Receipt and verification

First computed	2026-07-05T03:37:50.127876Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1785f9e3198fce3262a75225d1f3982468ab9fbe2a6b1958288659ee6ee884d2

Aliases

arxiv: 2112.02218 · arxiv_version: 2112.02218v1 · doi: 10.48550/arxiv.2112.02218 · pith_short_12: C6C7TYYZR7HD · pith_short_16: C6C7TYYZR7HDEYVH · pith_short_8: C6C7TYYZ

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/C6C7TYYZR7HDEYVHKIS5D44YER \
  | 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: 1785f9e3198fce3262a75225d1f3982468ab9fbe2a6b1958288659ee6ee884d2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "74e659b6b751b130ecbe41ed67e4476b7cad89e07a27d882ac8aec898844395f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2021-12-04T02:05:59Z",
    "title_canon_sha256": "122bf1d8d21eeb3f7839c2d0938266ca051fd3cff2ae3fb9352328e5be8b19b2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2112.02218",
    "kind": "arxiv",
    "version": 1
  }
}