pith. sign in
Pith Number

pith:GFO5223O

pith:2013:GFO5223OYICDKXKKZ5EXVRTDEW
not attested not anchored not stored refs pending

Multilevel Polar-Coded Modulation

Andreas Schenk, Clemens Stierstorfer, Johannes B. Huber, Mathis Seidl

arxiv:1301.4397 v1 · 2013-01-18 · cs.IT · math.IT

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{GFO5223OYICDKXKKZ5EXVRTDEW}

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 2026-05-18T00:58:17.728935Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

315ddd6b6ec204355d4acf497ac663259e8d19746abc0a47beb37c4fa814e68e

Aliases

arxiv: 1301.4397 · arxiv_version: 1301.4397v1 · doi: 10.48550/arxiv.1301.4397 · pith_short_12: GFO5223OYICD · pith_short_16: GFO5223OYICDKXKK · pith_short_8: GFO5223O
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/GFO5223OYICDKXKKZ5EXVRTDEW \
  | 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: 315ddd6b6ec204355d4acf497ac663259e8d19746abc0a47beb37c4fa814e68e
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "c458dfe206cdf3d8d4f4490c984bb48e75c105d6cd7c77ae09cf9a80cefd023f",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2013-01-18T15:02:50Z",
    "title_canon_sha256": "05ce71d174a8a62bce24415080650321e5f46ee524e3ac32fd5f953799180c75"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.4397",
    "kind": "arxiv",
    "version": 1
  }
}