Pith Number

pith:LROGZYQI

pith:2019:LROGZYQITCN4WX4SC7BUYDYSLF

not attested not anchored not stored refs pending

Practical Polar Code Construction Using Generalised Generator Matrices

Ali Emre Pusane, Berksan Serbetci

arxiv:1901.01280 v1 · 2019-01-04 · 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{LROGZYQITCN4WX4SC7BUYDYSLF}

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	2026-05-17T23:56:52.314602Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5c5c6ce208989bcb5f9217c34c0f1259657285e734e74ca0169c1079173a1e93

Aliases

arxiv: 1901.01280 · arxiv_version: 1901.01280v1 · doi: 10.48550/arxiv.1901.01280 · pith_short_12: LROGZYQITCN4 · pith_short_16: LROGZYQITCN4WX4S · pith_short_8: LROGZYQI

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/LROGZYQITCN4WX4SC7BUYDYSLF \
  | 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: 5c5c6ce208989bcb5f9217c34c0f1259657285e734e74ca0169c1079173a1e93

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bfa28d1eaa72f48c909bc3bce94c1af69e3833b8c719b088c932915d43e78e69",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2019-01-04T19:11:43Z",
    "title_canon_sha256": "79aca0c0db56d4c5a2ea2aaf3cd901f2d381c8403d644852b454e727b9e3e720"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.01280",
    "kind": "arxiv",
    "version": 1
  }
}