Pith Number

pith:I4FUWLN7

pith:2016:I4FUWLN7J6S5R4C54PLGHHOAXX

not attested not anchored not stored refs pending

A Simplified Sub-Nyquist Receiver Architecture for Joint DOA and Frequency Estimation

Liang Liu, Ping Wei

arxiv:1605.08851 v1 · 2016-05-28 · 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{I4FUWLN7J6S5R4C54PLGHHOAXX}

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	2026-05-18T01:13:22.896264Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

470b4b2dbf4fa5d8f05de3d6639dc0bddf6de28c4a9dbbeed0235e687fcb3502

Aliases

arxiv: 1605.08851 · arxiv_version: 1605.08851v1 · doi: 10.48550/arxiv.1605.08851 · pith_short_12: I4FUWLN7J6S5 · pith_short_16: I4FUWLN7J6S5R4C5 · pith_short_8: I4FUWLN7

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/I4FUWLN7J6S5R4C54PLGHHOAXX \
  | 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: 470b4b2dbf4fa5d8f05de3d6639dc0bddf6de28c4a9dbbeed0235e687fcb3502

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c79c43287e3e29c0f502c0158ec1978011bd09d03cc682a9ec80e36231415615",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2016-05-28T06:41:41Z",
    "title_canon_sha256": "0523e319d80e02ec643876e6d0c3764709899c69685f68f4953672c2de594a2e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1605.08851",
    "kind": "arxiv",
    "version": 1
  }
}