Pith Number

pith:3HWF4GBK

pith:2017:3HWF4GBKGVF5ZT4WRYSXHKJQRI

not attested not anchored not stored refs pending

A General Sequential Delay-Doppler Estimation Scheme for Sub-Nyquist Pulse-Doppler Radar

Feng Xi, ShengYao Chen, Zhong Liu

arxiv:1701.03874 v1 · 2017-01-14 · cs.IT · 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{3HWF4GBKGVF5ZT4WRYSXHKJQRI}

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	2026-05-18T00:52:48.672455Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d9ec5e182a354bdccf968e2573a9308a1d6eba475d1bcdcea64bb198ddfc25b3

Aliases

arxiv: 1701.03874 · arxiv_version: 1701.03874v1 · doi: 10.48550/arxiv.1701.03874 · pith_short_12: 3HWF4GBKGVF5 · pith_short_16: 3HWF4GBKGVF5ZT4W · pith_short_8: 3HWF4GBK

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/3HWF4GBKGVF5ZT4WRYSXHKJQRI \
  | 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: d9ec5e182a354bdccf968e2573a9308a1d6eba475d1bcdcea64bb198ddfc25b3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "101c1491efe27494f9b7b191721f692b596f9ab534e7295a74fc4cdbf90f8ad7",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2017-01-14T02:55:43Z",
    "title_canon_sha256": "8dcd49f365fe082536fc2a09bba43c2b72cb010248ae83aba734fe6d3c3da192"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.03874",
    "kind": "arxiv",
    "version": 1
  }
}