Pith Number

pith:EMA3QHB4

pith:2026:EMA3QHB4JEVQKW5UV5OYHG3GEL

not attested not anchored not stored refs pending

Beamforming and RIS-Aided Ambient Backscatter Communications with Residual-Feature SVM Detection

Aobakwe Makgarapa, Burhan Wafai, Mahsa Derakhshani, Sangarapillai Lambotharan

arxiv:2606.20741 v1 · 2026-06-17 · 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{EMA3QHB4JEVQKW5UV5OYHG3GEL}

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	2026-06-23T00:11:55.261086Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2301b81c3c492b055bb4af5d839b6622d51e1e3f305117bdacd79e5dfdcb7b86

Aliases

arxiv: 2606.20741 · arxiv_version: 2606.20741v1 · doi: 10.48550/arxiv.2606.20741 · pith_short_12: EMA3QHB4JEVQ · pith_short_16: EMA3QHB4JEVQKW5U · pith_short_8: EMA3QHB4

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/EMA3QHB4JEVQKW5UV5OYHG3GEL \
  | 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: 2301b81c3c492b055bb4af5d839b6622d51e1e3f305117bdacd79e5dfdcb7b86

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ebd332c6482105d5be880b10065301b2bf616f14c374281069fa65148e726088",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2026-06-17T20:21:59Z",
    "title_canon_sha256": "5ae930bb91215f72e52b0fe7b5cd1ac841871d7439a79f236ed8839045fa3cd5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.20741",
    "kind": "arxiv",
    "version": 1
  }
}