Pith Number

pith:CNYSIPNL

pith:2010:CNYSIPNLPPEC4ASE7LCXP7MK3Y

not attested not anchored not stored refs pending

Nested Polar Codes for Wiretap and Relay Channels

Joerg Kliewer, Mattias Andersson, Mikael Skoglund, Ragnar Thobaben, Vishwambhar Rathi

arxiv:1006.3573 v1 · 2010-06-17 · 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{CNYSIPNLPPEC4ASE7LCXP7MK3Y}

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	2026-05-18T04:40:21.532910Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1371243dab7bc82e0244fac577fd8ade08a540b6d36caf19ddb59913fd9e6d56

Aliases

arxiv: 1006.3573 · arxiv_version: 1006.3573v1 · doi: 10.48550/arxiv.1006.3573 · pith_short_12: CNYSIPNLPPEC · pith_short_16: CNYSIPNLPPEC4ASE · pith_short_8: CNYSIPNL

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/CNYSIPNLPPEC4ASE7LCXP7MK3Y \
  | 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: 1371243dab7bc82e0244fac577fd8ade08a540b6d36caf19ddb59913fd9e6d56

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "da0a5cec727621c81b882d9a73388164a90dc6685997b5f3180841d419e319e2",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2010-06-17T21:22:56Z",
    "title_canon_sha256": "779f457cfe8e09331c0b70b5ad26c0bcadded036835bcaa15e6732a098a2af85"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1006.3573",
    "kind": "arxiv",
    "version": 1
  }
}