Pith Number

pith:PHAQZAIC

pith:2011:PHAQZAICQALKUTGFNAV5VPYP7U

not attested not anchored not stored refs pending

Demonstration of Spectrum Sensing with Blindly Learned Feature

Nan Guo, Peng Zhang, Robert Qiu

arxiv:1102.5030 v1 · 2011-02-24 · 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{PHAQZAICQALKUTGFNAV5VPYP7U}

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	2026-05-18T04:27:57.542919Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

79c10c81028016aa4cc5682bdabf0ffd1ec08e3670b1b10443247551b499f553

Aliases

arxiv: 1102.5030 · arxiv_version: 1102.5030v1 · doi: 10.48550/arxiv.1102.5030 · pith_short_12: PHAQZAICQALK · pith_short_16: PHAQZAICQALKUTGF · pith_short_8: PHAQZAIC

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/PHAQZAICQALKUTGFNAV5VPYP7U \
  | 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: 79c10c81028016aa4cc5682bdabf0ffd1ec08e3670b1b10443247551b499f553

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0a85a146ebd153a3f12fe9a732a4f76db744861827b2dd606c40ac15d6f6a1db",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2011-02-24T16:45:40Z",
    "title_canon_sha256": "21c980fa7290118b93661590a3ea9435f356ee839b8613c486233fc2aae04817"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1102.5030",
    "kind": "arxiv",
    "version": 1
  }
}