Pith Number

pith:QD3OL5CH

pith:2010:QD3OL5CHVLBFQL3RWN2JXAST6H

not attested not anchored not stored refs pending

Analysis and Design of Tuned Turbo Codes

Alexandre Graell i Amat, Christian Koller, Daniel J. Costello Jr, Francesca Vatta, Joerg Kliewer, Kamil S. Zigangirov

arxiv:1010.5278 v2 · 2010-10-25 · cs.IT · math.IT

Open paper page JSON Open Graph Bundle Merged state What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QD3OL5CHVLBFQL3RWN2JXAST6H}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T03:56:08.697727Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

80f6e5f447aac2582f71b3749b8253f1d7c3c8ba39fc8a8e35598c4b5a897b07

Aliases

arxiv: 1010.5278 · arxiv_version: 1010.5278v2 · doi: 10.48550/arxiv.1010.5278 · pith_short_12: QD3OL5CHVLBF · pith_short_16: QD3OL5CHVLBFQL3R · pith_short_8: QD3OL5CH

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/QD3OL5CHVLBFQL3RWN2JXAST6H \
  | 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: 80f6e5f447aac2582f71b3749b8253f1d7c3c8ba39fc8a8e35598c4b5a897b07

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "77f3c6c1486e7982aa06e7dd57cd0ebdb5fcb763cce48513f754f42935fe06eb",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2010-10-25T22:39:09Z",
    "title_canon_sha256": "3643b0227dc02f85e768606960d859e2ee2c0df085a785dc63bce2456fc5dafb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1010.5278",
    "kind": "arxiv",
    "version": 2
  }
}