Pith Number

pith:FPEUVQXF

pith:2011:FPEUVQXFVI7HMNJEIFK3M54TIP

not attested not anchored not stored refs pending

LLR Approximation for Wireless Channels Based on Taylor Series and Its Application to BICM with LDPC Codes

Amir H. Banihashemi, Hamid Saeedi, Mahmoud Ahmadian-Attari, Reza Asvadi

arxiv:1103.2607 v2 · 2011-03-14 · 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{FPEUVQXFVI7HMNJEIFK3M54TIP}

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	2026-05-18T02:22:19.511021Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2bc94ac2e5aa3e7635244155b6779343ccbed989514fb313504523352270cab4

Aliases

arxiv: 1103.2607 · arxiv_version: 1103.2607v2 · doi: 10.48550/arxiv.1103.2607 · pith_short_12: FPEUVQXFVI7H · pith_short_16: FPEUVQXFVI7HMNJE · pith_short_8: FPEUVQXF

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/FPEUVQXFVI7HMNJEIFK3M54TIP \
  | 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: 2bc94ac2e5aa3e7635244155b6779343ccbed989514fb313504523352270cab4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a89e827df22dd0bf573bcc78abb0b5bd72da8484f3acf2bdafeb73dd8937f34a",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2011-03-14T09:24:21Z",
    "title_canon_sha256": "413989f6da2f12ae2a42f4c938121f4e2cf57ec9b6885ee849305f7e19ef5493"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1103.2607",
    "kind": "arxiv",
    "version": 2
  }
}