Pith Number

pith:EUBDY3LY

pith:2018:EUBDY3LYHEWIEDM5AUPIEUJQ33

not attested not anchored not stored refs pending

Study of Polarization-Driven Shortening for Polar Codes Designed with the Gaussian Approximation

R. C. de Lamare, R. M. Oliveira

arxiv:1808.00143 v1 · 2018-08-01 · 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{EUBDY3LYHEWIEDM5AUPIEUJQ33}

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	2026-05-18T00:09:08.644026Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

25023c6d78392c820d9d051e825130defedf229976b49333490a76b520ce7307

Aliases

arxiv: 1808.00143 · arxiv_version: 1808.00143v1 · doi: 10.48550/arxiv.1808.00143 · pith_short_12: EUBDY3LYHEWI · pith_short_16: EUBDY3LYHEWIEDM5 · pith_short_8: EUBDY3LY

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/EUBDY3LYHEWIEDM5AUPIEUJQ33 \
  | 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: 25023c6d78392c820d9d051e825130defedf229976b49333490a76b520ce7307

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "575ad715ef3e289164a4e5c86c0e4c60f885bf730b4c7bdbc37db7bda46cdcc3",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2018-08-01T02:34:45Z",
    "title_canon_sha256": "6f03bfdcf9d7e70dccd26f1148de983f4c0ba85027d15a9f347beb08d1a41d83"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.00143",
    "kind": "arxiv",
    "version": 1
  }
}