Pith Number

pith:3JHREQLO

pith:2017:3JHREQLOUDQTBH2N6B2FV4QDUE

not attested not anchored not stored refs pending

Channel Impulse Response-based Distributed Physical Layer Authentication

Ammar Mahmood, M. Mahboob Ur Rahman, M. Ozair Iqbal, Qammer H. Abbasi, Waqas Aman

arxiv:1703.08559 v1 · 2017-03-24 · 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{3JHREQLOUDQTBH2N6B2FV4QDUE}

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	2026-05-18T00:47:56.132287Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

da4f12416ea0e1309f4df0745af203a132962a40403d7ec422904167c078a26f

Aliases

arxiv: 1703.08559 · arxiv_version: 1703.08559v1 · doi: 10.48550/arxiv.1703.08559 · pith_short_12: 3JHREQLOUDQT · pith_short_16: 3JHREQLOUDQTBH2N · pith_short_8: 3JHREQLO

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/3JHREQLOUDQTBH2N6B2FV4QDUE \
  | 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: da4f12416ea0e1309f4df0745af203a132962a40403d7ec422904167c078a26f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7d3c57f347180a0714c36f1c442c7961a8a06362642183d6daf711ec0c218d42",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2017-03-24T18:19:03Z",
    "title_canon_sha256": "5827373f53e1431cae60ba0d25da9cc98fece4f96d3755a49470047004e71401"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.08559",
    "kind": "arxiv",
    "version": 1
  }
}