Pith Number

pith:UFCITQOV

pith:2009:UFCITQOVGN6SIIAZYGJAYNA7QC

not attested not anchored not stored refs pending

Secure Degrees of Freedom for Gaussian Channels with Interference: Structured Codes Outperform Gaussian Signaling

Aylin Yener, Xiang He

arxiv:0905.2638 v1 · 2009-05-15 · 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{UFCITQOVGN6SIIAZYGJAYNA7QC}

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	2026-05-18T00:58:48.118432Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a14489c1d5337d242019c1920c341f809c97725f29e3d7d57fa0ed17c64a21de

Aliases

arxiv: 0905.2638 · arxiv_version: 0905.2638v1 · doi: 10.48550/arxiv.0905.2638 · pith_short_12: UFCITQOVGN6S · pith_short_16: UFCITQOVGN6SIIAZ · pith_short_8: UFCITQOV

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/UFCITQOVGN6SIIAZYGJAYNA7QC \
  | 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: a14489c1d5337d242019c1920c341f809c97725f29e3d7d57fa0ed17c64a21de

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8c5f0d45609637a7ca37e6f03fd4bfdf6e359155dbe2097d8db8e226050af40e",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2009-05-15T23:59:44Z",
    "title_canon_sha256": "7626d397ee4321e791d5b39e1700d4610d9f7c10774902405d10d3688ecd21f8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0905.2638",
    "kind": "arxiv",
    "version": 1
  }
}