Pith Number

pith:MAIOS4EF

pith:2017:MAIOS4EFT4HHSBH7SMCJMIDQCV

not attested not anchored not stored refs pending

Polar Coding for Block Fading Channels

Cong Ling, Meixia Tao, Mengfan Zheng, Wen Chen

arxiv:1701.06111 v1 · 2017-01-22 · 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{MAIOS4EFT4HHSBH7SMCJMIDQCV}

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	2026-05-18T00:52:19.282905Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6010e970859f0e7904ff9304962070154bcd17fb50bb71fe5833e8d1420fbe39

Aliases

arxiv: 1701.06111 · arxiv_version: 1701.06111v1 · doi: 10.48550/arxiv.1701.06111 · pith_short_12: MAIOS4EFT4HH · pith_short_16: MAIOS4EFT4HHSBH7 · pith_short_8: MAIOS4EF

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/MAIOS4EFT4HHSBH7SMCJMIDQCV \
  | 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: 6010e970859f0e7904ff9304962070154bcd17fb50bb71fe5833e8d1420fbe39

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f59b46ba4656f65e6dee78929cc69657a23aa6022e2d0c716e1564214704763a",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2017-01-22T02:06:52Z",
    "title_canon_sha256": "9d516215d0ff4bb8f30cd0a6173e1555d6767bf6380111a63d5bde30f5dbec51"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.06111",
    "kind": "arxiv",
    "version": 1
  }
}