Pith Number

pith:LDQW7U77

pith:2014:LDQW7U77QR6LJJCKKOC5NEWYRV

not attested not anchored not stored refs pending

Cramer-Rao Lower Bounds of Joint Delay-Doppler Estimation for an Extended Target

Tianyao Huang, Tong Zhao

arxiv:1410.1272 v2 · 2014-10-06 · 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{LDQW7U77QR6LJJCKKOC5NEWYRV}

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	2026-05-18T00:06:56.816741Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

58e16fd3ff847cb4a44a5385d692d88d7bfe79243e75a5c2e72c19849be32f64

Aliases

arxiv: 1410.1272 · arxiv_version: 1410.1272v2 · doi: 10.48550/arxiv.1410.1272 · pith_short_12: LDQW7U77QR6L · pith_short_16: LDQW7U77QR6LJJCK · pith_short_8: LDQW7U77

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/LDQW7U77QR6LJJCKKOC5NEWYRV \
  | 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: 58e16fd3ff847cb4a44a5385d692d88d7bfe79243e75a5c2e72c19849be32f64

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a2e05c98fd255a1fd8a3988e5a7a576527fca8412571636d83952e2e5ddea641",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2014-10-06T07:29:09Z",
    "title_canon_sha256": "8fd5d9f14ab2791b132a1b8de0a37cb50537162781b17f0c1bd25b12ed92f398"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1410.1272",
    "kind": "arxiv",
    "version": 2
  }
}