Pith Number

pith:2NFOMQPP

pith:2017:2NFOMQPPD7SLIFRDBSIZDAW6XU

not attested not anchored not stored refs pending

Predictive and Recommendatory Spectrum Decision for Cognitive Radio

Sai Xie, Xinran Chen, Yongshuai Shao, Zhe Chen

arxiv:1703.03102 v1 · 2017-03-09 · 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{2NFOMQPPD7SLIFRDBSIZDAW6XU}

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	2026-05-18T00:49:01.542452Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d34ae641ef1fe4b416230c919182debd23b9e07a552fb474b5f4c0c2b9a8a9a9

Aliases

arxiv: 1703.03102 · arxiv_version: 1703.03102v1 · doi: 10.48550/arxiv.1703.03102 · pith_short_12: 2NFOMQPPD7SL · pith_short_16: 2NFOMQPPD7SLIFRD · pith_short_8: 2NFOMQPP

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/2NFOMQPPD7SLIFRDBSIZDAW6XU \
  | 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: d34ae641ef1fe4b416230c919182debd23b9e07a552fb474b5f4c0c2b9a8a9a9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8d66abc3d46846407c705808e769e4557e9d65f91fd762f7c8471c2e64392586",
    "cross_cats_sorted": [
      "cs.IT",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NI",
    "submitted_at": "2017-03-09T01:41:47Z",
    "title_canon_sha256": "7e192a5fbc9163eb765a485ca111f5570004cbe6140df6f8584e276e08343cbf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.03102",
    "kind": "arxiv",
    "version": 1
  }
}