Pith Number

pith:MY7ZTXTK

pith:2015:MY7ZTXTKFNBHUW65RF5ON7XDKI

not attested not anchored not stored refs pending

Hierarchical Polar Coding for Achieving Secrecy over Fading Wiretap Channels without any Instantaneous CSI

Hongbo Si, O. Ozan Koyluoglu, Sriram Vishwanath

arxiv:1511.01212 v1 · 2015-11-04 · 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{MY7ZTXTKFNBHUW65RF5ON7XDKI}

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	2026-05-18T01:27:47.816384Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

663f99de6a2b427a5bdd897ae6fee35219e380a6dbd3f9ebde761122d5bc1e2c

Aliases

arxiv: 1511.01212 · arxiv_version: 1511.01212v1 · doi: 10.48550/arxiv.1511.01212 · pith_short_12: MY7ZTXTKFNBH · pith_short_16: MY7ZTXTKFNBHUW65 · pith_short_8: MY7ZTXTK

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/MY7ZTXTKFNBHUW65RF5ON7XDKI \
  | 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: 663f99de6a2b427a5bdd897ae6fee35219e380a6dbd3f9ebde761122d5bc1e2c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8b6d8c974cf50287cfff41551429583b99cfda6fdc94b4019d3617bef6286148",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2015-11-04T05:38:25Z",
    "title_canon_sha256": "4fc8e07f27ab52c62d91aa6bed77fe260748df2e85b5e4f2519e7775e3558c29"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1511.01212",
    "kind": "arxiv",
    "version": 1
  }
}