Pith Number

pith:UOYOO52N

pith:2014:UOYOO52NXPAFM2NL6EB7VHZRG7

not attested not anchored not stored refs pending

Spatially Coupled Turbo Codes: Principles and Finite Length Performance

Alexandre Graell i Amat, Michael Lentmaier, Saeedeh Moloudi

arxiv:1407.0516 v1 · 2014-07-02 · 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{UOYOO52NXPAFM2NL6EB7VHZRG7}

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	2026-05-18T02:48:26.702636Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a3b0e7774dbbc05669abf103fa9f3137f4a55456e1e7604187082499cb5e3698

Aliases

arxiv: 1407.0516 · arxiv_version: 1407.0516v1 · doi: 10.48550/arxiv.1407.0516 · pith_short_12: UOYOO52NXPAF · pith_short_16: UOYOO52NXPAFM2NL · pith_short_8: UOYOO52N

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/UOYOO52NXPAFM2NL6EB7VHZRG7 \
  | 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: a3b0e7774dbbc05669abf103fa9f3137f4a55456e1e7604187082499cb5e3698

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9c68a20a37ef5883ca49cfe39791829fbe27473025e6492d6711f0e956ffc6c6",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2014-07-02T10:54:37Z",
    "title_canon_sha256": "662b8e79600231200c3e648c783eec1c51345a6ee62a8f22edd03e6600388bac"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.0516",
    "kind": "arxiv",
    "version": 1
  }
}