Pith Number

pith:GZE3WS6T

pith:2002:GZE3WS6T4U4DOTM7NHTSRPIR3F

not attested not anchored not stored refs pending

Interleaver Design for Turbo Codes

G. Nebe, H.R. Sadjadpour, M. Salehi, N.J.A. Sloane

arxiv:math/0207209 v1 · 2002-07-23 · math.CO · 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{GZE3WS6T4U4DOTM7NHTSRPIR3F}

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	2026-07-04T15:03:02.283033Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3649bb4bd3e538374d9f69e728bd11d965d32b34c27840af89b046e1df2645bf

Aliases

arxiv: math/0207209 · arxiv_version: math/0207209v1 · doi: 10.48550/arxiv.math/0207209 · pith_short_12: GZE3WS6T4U4D · pith_short_16: GZE3WS6T4U4DOTM7 · pith_short_8: GZE3WS6T

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/GZE3WS6T4U4DOTM7NHTSRPIR3F \
  | 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: 3649bb4bd3e538374d9f69e728bd11d965d32b34c27840af89b046e1df2645bf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "52e4f45edf1c2fb8e1ad3652cafd01c1b744c1313756e53004ce53d2351d547a",
    "cross_cats_sorted": [
      "cs.IT",
      "math.IT"
    ],
    "license": "",
    "primary_cat": "math.CO",
    "submitted_at": "2002-07-23T14:44:49Z",
    "title_canon_sha256": "574e74209a34e25205437fa573ec199cd07026499ab97066b6ffd64c8d784928"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0207209",
    "kind": "arxiv",
    "version": 1
  }
}