Pith Number

pith:3U2BWFGY

pith:2012:3U2BWFGYN5N3JOTXSDPJJPVYUZ

not attested not anchored not stored refs pending

Spectrum Sensing in the Presence of Multiple Primary Users

Lu wei, Olav Tirkkonen

arxiv:1201.0737 v1 · 2012-01-03 · 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{3U2BWFGYN5N3JOTXSDPJJPVYUZ}

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	2026-05-18T00:57:57.124861Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dd341b14d86f5bb4ba7790de94beb8a6635db94610e007785083f748c907c635

Aliases

arxiv: 1201.0737 · arxiv_version: 1201.0737v1 · doi: 10.48550/arxiv.1201.0737 · pith_short_12: 3U2BWFGYN5N3 · pith_short_16: 3U2BWFGYN5N3JOTX · pith_short_8: 3U2BWFGY

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/3U2BWFGYN5N3JOTXSDPJJPVYUZ \
  | 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: dd341b14d86f5bb4ba7790de94beb8a6635db94610e007785083f748c907c635

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ea5f881d45e92c250632c1ff1f6408cffda69ada73eed5da04d4bfa27463ca7d",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2012-01-03T20:08:23Z",
    "title_canon_sha256": "b1494639c89fa0f9f65caf682807da14fa4573c4028d9cdbc8f7ab02d2473d34"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.0737",
    "kind": "arxiv",
    "version": 1
  }
}