Pith Number

pith:AG3LHD45

pith:2019:AG3LHD45K5QLIENTKISOINHMQI

not attested not anchored not stored refs pending

FID: Function Modeling-based Data-Independent and Channel-Robust Physical-Layer Identification

Kui Ren, Tianhang Zheng, Zhi Sun

arxiv:1901.05914 v1 · 2019-01-17 · cs.CR · 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{AG3LHD45K5QLIENTKISOINHMQI}

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	2026-05-17T23:56:05.816478Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

01b6b38f9d5760b411b35224e434ec8208cdf2018f9937a4c48430e5b4ad5a38

Aliases

arxiv: 1901.05914 · arxiv_version: 1901.05914v1 · doi: 10.48550/arxiv.1901.05914 · pith_short_12: AG3LHD45K5QL · pith_short_16: AG3LHD45K5QLIENT · pith_short_8: AG3LHD45

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/AG3LHD45K5QLIENTKISOINHMQI \
  | 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: 01b6b38f9d5760b411b35224e434ec8208cdf2018f9937a4c48430e5b4ad5a38

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d9824049e14022e9873013f7408c018c796926e581df0303cc4d86229736b78f",
    "cross_cats_sorted": [
      "eess.SP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2019-01-17T17:33:16Z",
    "title_canon_sha256": "f28763f0929a8e9f4cd31260d0d38ac054b772adecedc4554ffa2f9ca35303a8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.05914",
    "kind": "arxiv",
    "version": 1
  }
}