Pith Number

pith:R544ZM3I

pith:2021:R544ZM3II3WXJIAN2DOHX7SCE6

not attested not anchored not stored refs pending

An Overview of Signal Processing Techniques for Joint Communication and Radar Sensing

Athina Petropulu, Christos Masouros, Fan Liu, J. Andrew Zhang, Le Zheng, Robert W. Heath Jr., Zhiyong Feng

arxiv:2102.12780 v1 · 2021-02-25 · 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{R544ZM3II3WXJIAN2DOHX7SCE6}

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	2026-07-05T03:40:30.648988Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8f79ccb36846ed74a00dd0dc7bfe422796482abc994de79cd6c614ee30edf7f7

Aliases

arxiv: 2102.12780 · arxiv_version: 2102.12780v1 · doi: 10.48550/arxiv.2102.12780 · pith_short_12: R544ZM3II3WX · pith_short_16: R544ZM3II3WXJIAN · pith_short_8: R544ZM3I

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/R544ZM3II3WXJIAN2DOHX7SCE6 \
  | 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: 8f79ccb36846ed74a00dd0dc7bfe422796482abc994de79cd6c614ee30edf7f7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cb29de4c398f53e46cc589ca16cdb2218d66dd0c6f232a6b95f3b7f631306b16",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2021-02-25T10:55:02Z",
    "title_canon_sha256": "fe5062c8ffdbc0785c185fbe05e0e567a76bf0a63176410dae016e0e8d1330ba"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2102.12780",
    "kind": "arxiv",
    "version": 1
  }
}