Pith Number

pith:IC6WNO5J

pith:2014:IC6WNO5JPGUKDR34UY3FNLFGP2

not attested not anchored not stored refs pending

Polar Coding for the Broadcast Channel with Confidential Messages: A Random Binning Analogy

Matthieu R. Bloch, Remi A. Chou

arxiv:1411.0281 v2 · 2014-11-02 · 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{IC6WNO5JPGUKDR34UY3FNLFGP2}

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	2026-05-18T01:19:35.451195Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

40bd66bba979a8a1c77ca63656aca67ea205dc46047b2d293f2db38ec98669b5

Aliases

arxiv: 1411.0281 · arxiv_version: 1411.0281v2 · doi: 10.48550/arxiv.1411.0281 · pith_short_12: IC6WNO5JPGUK · pith_short_16: IC6WNO5JPGUKDR34 · pith_short_8: IC6WNO5J

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/IC6WNO5JPGUKDR34UY3FNLFGP2 \
  | 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: 40bd66bba979a8a1c77ca63656aca67ea205dc46047b2d293f2db38ec98669b5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1eb51493cdb7c98f5cba2734b0e2690f0822ed3d3d8a3ffce00b2b62ef06a102",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2014-11-02T17:19:12Z",
    "title_canon_sha256": "48edc1e95f200bf19850e1627387308faf9730a1718f9972d4a73577758236f0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1411.0281",
    "kind": "arxiv",
    "version": 2
  }
}