Pith Number

pith:TZYGZLSR

pith:2007:TZYGZLSRJYUEJY6GZP6VPNEKN4

not attested not anchored not stored refs pending

Pseudo-random Puncturing: A Technique to Lower the Error Floor of Turbo Codes

Ian J. Wassell, Ioannis Chatzigeorgiou, Miguel R. D. Rodrigues, Rolando Carrasco

arxiv:0704.0361 v1 · 2007-04-03 · 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{TZYGZLSRJYUEJY6GZP6VPNEKN4}

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	2026-05-18T00:58:02.442156Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9e706cae514e2844e3c6cbfd57b48a6f0fc4c730c6752fe78345f66f102ff3d8

Aliases

arxiv: 0704.0361 · arxiv_version: 0704.0361v1 · doi: 10.48550/arxiv.0704.0361 · pith_short_12: TZYGZLSRJYUE · pith_short_16: TZYGZLSRJYUEJY6G · pith_short_8: TZYGZLSR

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/TZYGZLSRJYUEJY6GZP6VPNEKN4 \
  | 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: 9e706cae514e2844e3c6cbfd57b48a6f0fc4c730c6752fe78345f66f102ff3d8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7980d5a0a3bf7615ec013d03d12bf6fafc042b51acea9d148bd0d0e23a6ee2cb",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "",
    "primary_cat": "cs.IT",
    "submitted_at": "2007-04-03T10:24:38Z",
    "title_canon_sha256": "c3e5a86a9689c5c52a876ec0de6d3e8ab43154233b206f6dbfe102e7137b3350"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0704.0361",
    "kind": "arxiv",
    "version": 1
  }
}