Pith Number

pith:Y3WBRQR2

pith:2007:Y3WBRQR2YRXDT5FSAZQHW5POIN

not attested not anchored not stored refs pending

On the Throughput of Secure Hybrid-ARQ Protocols for Gaussian Block-Fading Channels

H. Vincent Poor, Predrag Spasojevic, Ruoheng Liu, Xiaojun Tang

arxiv:0712.4135 v1 · 2007-12-26 · 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{Y3WBRQR2YRXDT5FSAZQHW5POIN}

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	2026-05-18T00:58:48.750165Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c6ec18c23ac46e39f4b206607b75ee435d72c7b10173fc24fdbaf817268296ae

Aliases

arxiv: 0712.4135 · arxiv_version: 0712.4135v1 · doi: 10.48550/arxiv.0712.4135 · pith_short_12: Y3WBRQR2YRXD · pith_short_16: Y3WBRQR2YRXDT5FS · pith_short_8: Y3WBRQR2

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/Y3WBRQR2YRXDT5FSAZQHW5POIN \
  | 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: c6ec18c23ac46e39f4b206607b75ee435d72c7b10173fc24fdbaf817268296ae

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "18adfe549cb2e4cc696ed50f6811dbc3f1df4a5d8fb14a4ad33594e09e1d1eb3",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "",
    "primary_cat": "cs.IT",
    "submitted_at": "2007-12-26T17:50:31Z",
    "title_canon_sha256": "1555ea92de4362b86bf44be2041d4b49e3457f2087187b379ba3b3be5f8958bb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0712.4135",
    "kind": "arxiv",
    "version": 1
  }
}