Pith Number

pith:2L5M46B5

pith:2019:2L5M46B5W3TAT3KKJVKUWKGF3M

not attested not anchored not stored refs pending

A Practical Spectrum Sharing Scheme for Cognitive Radio Networks: Design and Experiments

Adnan Quadri, Hossein Pirayesh, Huacheng Zeng, Pedram Kheirkhah Sangdeh

arxiv:1905.10940 v1 · 2019-05-27 · cs.NI · 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{2L5M46B5W3TAT3KKJVKUWKGF3M}

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	2026-05-17T23:45:03.344002Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d2face783db6e609ed4a4d554b28c5db27b55687723645aa13fc6506e5d1b92c

Aliases

arxiv: 1905.10940 · arxiv_version: 1905.10940v1 · doi: 10.48550/arxiv.1905.10940 · pith_short_12: 2L5M46B5W3TA · pith_short_16: 2L5M46B5W3TAT3KK · pith_short_8: 2L5M46B5

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/2L5M46B5W3TAT3KKJVKUWKGF3M \
  | 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: d2face783db6e609ed4a4d554b28c5db27b55687723645aa13fc6506e5d1b92c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e19cda4c501741f74870e26ba062184eac1c2c84db710955979a1ee37ae2bd27",
    "cross_cats_sorted": [
      "eess.SP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NI",
    "submitted_at": "2019-05-27T02:35:58Z",
    "title_canon_sha256": "325172eeba0af7a4556e159ad6a333eafb4bd5ad840a1b096e51c946ad05e954"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.10940",
    "kind": "arxiv",
    "version": 1
  }
}