Pith Number

pith:6XUAK4GU

pith:2016:6XUAK4GU7L2VHRWBNG5KYQ6MLA

not attested not anchored not stored refs pending

Analytical Studies of Fragmented-Spectrum Multi-Level OFDM-CDMA Technique in Cognitive Radio Networks

Farhad Akhoundi, Jawad A. Salehi, Omid Poursaeed, Saeed Sharifi-Malvajerdi

arxiv:1604.07124 v1 · 2016-04-25 · cs.NI · 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{6XUAK4GU7L2VHRWBNG5KYQ6MLA}

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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	2026-05-18T01:16:22.952783Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f5e80570d4faf553c6c169baac43cc58356d13b406c40f4d0ad30d440dc1b9d3

Aliases

arxiv: 1604.07124 · arxiv_version: 1604.07124v1 · doi: 10.48550/arxiv.1604.07124 · pith_short_12: 6XUAK4GU7L2V · pith_short_16: 6XUAK4GU7L2VHRWB · pith_short_8: 6XUAK4GU

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/6XUAK4GU7L2VHRWBNG5KYQ6MLA \
  | 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: f5e80570d4faf553c6c169baac43cc58356d13b406c40f4d0ad30d440dc1b9d3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f4b870fffec49fb4ab4170b0a26831210e196a40ad0150e1fcbf5fb80950bcfc",
    "cross_cats_sorted": [
      "cs.IT",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NI",
    "submitted_at": "2016-04-25T04:21:21Z",
    "title_canon_sha256": "5f70a6dbac9c16c9c48c4f2d6ca569111ff0dee80a105adef560d340037355ec"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1604.07124",
    "kind": "arxiv",
    "version": 1
  }
}