Pith Number

pith:YYDIQQRV

pith:2014:YYDIQQRVVJR4EPOLP5M6PI3LCM

not attested not anchored not stored refs pending

Distortion Exponent in MIMO Fading Channels with Time-Varying Source Side Information

Deniz G\"und\"uz, I\~naki Estella Aguerri

arxiv:1409.0494 v2 · 2014-09-01 · 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{YYDIQQRVVJR4EPOLP5M6PI3LCM}

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	2026-05-18T02:03:37.340394Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c606884235aa63c23dcb7f59e7a36b13094db15bcd5a59adda2a8351f7500876

Aliases

arxiv: 1409.0494 · arxiv_version: 1409.0494v2 · doi: 10.48550/arxiv.1409.0494 · pith_short_12: YYDIQQRVVJR4 · pith_short_16: YYDIQQRVVJR4EPOL · pith_short_8: YYDIQQRV

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/YYDIQQRVVJR4EPOLP5M6PI3LCM \
  | 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: c606884235aa63c23dcb7f59e7a36b13094db15bcd5a59adda2a8351f7500876

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "171d7d657977125060f752bea7ca550a1ec315bde81350ed0ba7531c8e7f5a25",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2014-09-01T17:40:28Z",
    "title_canon_sha256": "fc5afe955d58ab34875266864cc647a5499ba8283b564b1a2f26ed57216c42cb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.0494",
    "kind": "arxiv",
    "version": 2
  }
}