Pith Number

pith:OSOVHU5I

pith:2013:OSOVHU5IGAVCNB7MIFJAQGAUZX

not attested not anchored not stored refs pending

A Bayesian approach to sparse channel estimation in OFDM systems

Boris I. Godoy, Juan C. Ag\"uero, Rodrigo Carvajal

arxiv:1311.3613 v1 · 2013-11-14 · 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{OSOVHU5IGAVCNB7MIFJAQGAUZX}

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	2026-05-18T03:07:04.355271Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

749d53d3a8302a2687ec4152081814cdf25e5efcfa82a71171db16d2379aab10

Aliases

arxiv: 1311.3613 · arxiv_version: 1311.3613v1 · doi: 10.48550/arxiv.1311.3613 · pith_short_12: OSOVHU5IGAVC · pith_short_16: OSOVHU5IGAVCNB7M · pith_short_8: OSOVHU5I

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/OSOVHU5IGAVCNB7MIFJAQGAUZX \
  | 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: 749d53d3a8302a2687ec4152081814cdf25e5efcfa82a71171db16d2379aab10

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f8cd9a5bc53c218e935eb7bf55f0154e2cfe63ce5844912f55301a197222b512",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2013-11-14T19:18:39Z",
    "title_canon_sha256": "423ca553a6b4c779e6c97ce519590ea746d13b9eb8c6f3253d058452aa0577ea"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.3613",
    "kind": "arxiv",
    "version": 1
  }
}