Pith Number

pith:FOE3BG5K

pith:2022:FOE3BG5KUBPOVFLE5WX5RLDRFU

not attested not anchored not stored refs pending

Defeating Eavesdroppers with Ambient Backscatter Communications

Diep N. Nguyen, Dinh Thai Hoang, Eryk Dutkiewicz, Nam H. Chu, Nguyen Quang Hieu, Nguyen Van Huynh

arxiv:2201.06204 v3 · 2022-01-17 · cs.IT · eess.SP · 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{FOE3BG5KUBPOVFLE5WX5RLDRFU}

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	2026-07-05T06:16:34.756948Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2b89b09baaa05eea9564edafd8ac712d0c44f39b5d3d743c5041bc447d7b3c8e

Aliases

arxiv: 2201.06204 · arxiv_version: 2201.06204v3 · doi: 10.48550/arxiv.2201.06204 · pith_short_12: FOE3BG5KUBPO · pith_short_16: FOE3BG5KUBPOVFLE · pith_short_8: FOE3BG5K

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/FOE3BG5KUBPOVFLE5WX5RLDRFU \
  | 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: 2b89b09baaa05eea9564edafd8ac712d0c44f39b5d3d743c5041bc447d7b3c8e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5dfd5fd95531bfcd95958361c5b294014d7dbbb74dcd44fa7ea9835e7fae8a3b",
    "cross_cats_sorted": [
      "eess.SP",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2022-01-17T04:01:53Z",
    "title_canon_sha256": "bc3cc080f5c29e5163b09cbd1175c79759226418b7fbd77fe0858257b25e705f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2201.06204",
    "kind": "arxiv",
    "version": 3
  }
}