Pith Number

pith:J26QEUZ7

pith:2013:J26QEUZ7LXCPZ6P7P574IYH5MY

not attested not anchored not stored refs pending

Conditions for Robustness of Polar Codes in the Presence of Channel Mismatch

Mine Alsan

arxiv:1303.2379 v2 · 2013-03-10 · 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{J26QEUZ7LXCPZ6P7P574IYH5MY}

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	2026-05-18T03:25:45.736344Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4ebd02533f5dc4fcf9ff7f7fc460fd661efe215c49a01d679b2586c64320025c

Aliases

arxiv: 1303.2379 · arxiv_version: 1303.2379v2 · doi: 10.48550/arxiv.1303.2379 · pith_short_12: J26QEUZ7LXCP · pith_short_16: J26QEUZ7LXCPZ6P7 · pith_short_8: J26QEUZ7

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/J26QEUZ7LXCPZ6P7P574IYH5MY \
  | 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: 4ebd02533f5dc4fcf9ff7f7fc460fd661efe215c49a01d679b2586c64320025c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c7ff72cfd6393422ad43db08773e29a60cf0eb37001a827fce13db7a18850061",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2013-03-10T21:44:08Z",
    "title_canon_sha256": "30ff6adcb810dcca199dcf18f6674e47dceeee12123ea4093882f9dbf60b5e90"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.2379",
    "kind": "arxiv",
    "version": 2
  }
}