Pith Number

pith:FSA47TX5

pith:2012:FSA47TX52LEUNW7UC6CUBFTLQQ

not attested not anchored not stored refs pending

Eigenvalue Based Sensing and SNR Estimation for Cognitive Radio in Presence of Noise Correlation

Bj\"orn Ottersten, Shree Krishna Sharma, Symeon Chatzinotas

arxiv:1210.5755 v1 · 2012-10-21 · cs.IT · cs.ET · 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{FSA47TX52LEUNW7UC6CUBFTLQQ}

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	2026-05-18T03:42:33.481816Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2c81cfcefdd2c946dbf4178540966b840a8bcc6117cd28e9445aff3f3af3225e

Aliases

arxiv: 1210.5755 · arxiv_version: 1210.5755v1 · doi: 10.48550/arxiv.1210.5755 · pith_short_12: FSA47TX52LEU · pith_short_16: FSA47TX52LEUNW7U · pith_short_8: FSA47TX5

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/FSA47TX52LEUNW7UC6CUBFTLQQ \
  | 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: 2c81cfcefdd2c946dbf4178540966b840a8bcc6117cd28e9445aff3f3af3225e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "64385a8ba200850c0489e3c82a4d097bda677c41c8a68070075d6e3ddcef7cf0",
    "cross_cats_sorted": [
      "cs.ET",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2012-10-21T19:38:22Z",
    "title_canon_sha256": "f681a792594993bb27a2341351cf4eb96509d464499d4b9221187436cf113043"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1210.5755",
    "kind": "arxiv",
    "version": 1
  }
}