Pith Number

pith:ZW7FI2V5

pith:2017:ZW7FI2V5FTU5ZYWRC3QRZQ52VB

not attested not anchored not stored refs pending

Enhancing PHY Security of Cooperative Cognitive Radio Multicast Communications

Arumugam Nallanathan, George K. Karagiannidis, Oh-Soon Shin, Trung Q. Duong, Van-Dinh Nguyen

arxiv:1707.02380 v1 · 2017-07-08 · 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{ZW7FI2V5FTU5ZYWRC3QRZQ52VB}

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	2026-05-18T00:40:39.350978Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cdbe546abd2ce9dce2d116e11cc3baa86750d993d99aea1d7586de3cf5e7f53b

Aliases

arxiv: 1707.02380 · arxiv_version: 1707.02380v1 · doi: 10.48550/arxiv.1707.02380 · pith_short_12: ZW7FI2V5FTU5 · pith_short_16: ZW7FI2V5FTU5ZYWR · pith_short_8: ZW7FI2V5

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/ZW7FI2V5FTU5ZYWRC3QRZQ52VB \
  | 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: cdbe546abd2ce9dce2d116e11cc3baa86750d993d99aea1d7586de3cf5e7f53b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9b5fe97af012d98cfc784b95a3cb82f17d9aa01983c9980784b2e61c8327fd69",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2017-07-08T02:34:21Z",
    "title_canon_sha256": "2327e6f49a304b684041c36756b49ef9daaea4cda272c60e8d565014589a0178"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.02380",
    "kind": "arxiv",
    "version": 1
  }
}