Pith Number

pith:TM64DYJI

pith:2005:TM64DYJI46YQHDEGNVSCNLKE55

not attested not anchored not stored refs pending

On the Performance of Turbo Codes in Quasi-Static Fading Channels

I. Chatzigeorgiou, I. J. Wassell, M. R. D. Rodrigues, R. Carrasco

arxiv:cs/0508057 v1 · 2005-08-11 · 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{TM64DYJI46YQHDEGNVSCNLKE55}

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	2026-05-18T00:58:26.734370Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9b3dc1e128e7b1038c866d6426ad44ef56576e84fcef1075974045c83f876adb

Aliases

arxiv: cs/0508057 · arxiv_version: cs/0508057v1 · doi: 10.48550/arxiv.cs/0508057 · pith_short_12: TM64DYJI46YQ · pith_short_16: TM64DYJI46YQHDEG · pith_short_8: TM64DYJI

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/TM64DYJI46YQHDEGNVSCNLKE55 \
  | 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: 9b3dc1e128e7b1038c866d6426ad44ef56576e84fcef1075974045c83f876adb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ad0aadf62820c602964d033ae3fcf312ea690a4f679cdfc9e88eb3494b272492",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "",
    "primary_cat": "cs.IT",
    "submitted_at": "2005-08-11T10:14:52Z",
    "title_canon_sha256": "d193cdb34e1409545edbdca0190311900231a5f47a2f62c1d49e5eb5aaef15a8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cs/0508057",
    "kind": "arxiv",
    "version": 1
  }
}