Pith Number

pith:AP5YHQMS

pith:2013:AP5YHQMS2JASYVBGZOWNKSJXMJ

not attested not anchored not stored refs pending

Nearest Neighbor Decoding and Pilot-Aided Channel Estimation for Fading Channels

Albert Guill\'en i F\`abregas, A. Taufiq Asyhari, Tobias Koch

arxiv:1301.1223 v2 · 2013-01-07 · 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{AP5YHQMS2JASYVBGZOWNKSJXMJ}

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	2026-05-18T02:54:39.698490Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

03fb83c192d2412c5426cbacd54937627f6206ccc0d77e382707958c51d6937d

Aliases

arxiv: 1301.1223 · arxiv_version: 1301.1223v2 · doi: 10.48550/arxiv.1301.1223 · pith_short_12: AP5YHQMS2JAS · pith_short_16: AP5YHQMS2JASYVBG · pith_short_8: AP5YHQMS

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/AP5YHQMS2JASYVBGZOWNKSJXMJ \
  | 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: 03fb83c192d2412c5426cbacd54937627f6206ccc0d77e382707958c51d6937d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "05869b9d07aecee1ef76ab687b362b41b4be5b7634ff297fc9aca5f40e93db73",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2013-01-07T15:12:01Z",
    "title_canon_sha256": "c866123fd24a59c3625b7525e866e0a62c2e194aaf97226b763fe44d2a2cb242"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.1223",
    "kind": "arxiv",
    "version": 2
  }
}