Pith Number

pith:QUT2EFXU

pith:2014:QUT2EFXUQWICV6V3QUD26V2RL3

not attested not anchored not stored refs pending

Polar Coding for the General Wiretap Channel

Sennur Ulukus, Yi-Peng Wei

arxiv:1410.3812 v1 · 2014-10-14 · cs.IT · cs.CR · 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{QUT2EFXUQWICV6V3QUD26V2RL3}

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	2026-05-18T02:40:04.197035Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8527a216f485902afabb8507af57515ee12165874dd961fe565b71589fa74bb9

Aliases

arxiv: 1410.3812 · arxiv_version: 1410.3812v1 · doi: 10.48550/arxiv.1410.3812 · pith_short_12: QUT2EFXUQWIC · pith_short_16: QUT2EFXUQWICV6V3 · pith_short_8: QUT2EFXU

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/QUT2EFXUQWICV6V3QUD26V2RL3 \
  | 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: 8527a216f485902afabb8507af57515ee12165874dd961fe565b71589fa74bb9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2a683ebd361006d805d9ef07bd943732affa99a6975d944f690c7dc136e27ebc",
    "cross_cats_sorted": [
      "cs.CR",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2014-10-14T19:41:48Z",
    "title_canon_sha256": "c8034b95220f00e5a942aa9be85ea49d736a631a3dff29c9c63d88750167ffe4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1410.3812",
    "kind": "arxiv",
    "version": 1
  }
}