Pith Number

pith:7NKL3YCD

pith:2024:7NKL3YCDPU2NQNVW2KEAVTYTCY

not attested not anchored not stored refs pending

Nested Construction of Polar Codes via Transformers

Charlie Zhang, Heping Wan, Joonyoung Cho, S Ashwin Hebbar, Sravan Kumar Ankireddy

arxiv:2401.17188 v1 · 2024-01-30 · cs.IT · cs.AI · 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{7NKL3YCDPU2NQNVW2KEAVTYTCY}

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	2026-07-05T07:39:21.289397Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fb54bde0437d34d836b6d2880acf131639362192fa3dc7507eb24f3b4516fd71

Aliases

arxiv: 2401.17188 · arxiv_version: 2401.17188v1 · doi: 10.48550/arxiv.2401.17188 · pith_short_12: 7NKL3YCDPU2N · pith_short_16: 7NKL3YCDPU2NQNVW · pith_short_8: 7NKL3YCD

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/7NKL3YCDPU2NQNVW2KEAVTYTCY \
  | 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: fb54bde0437d34d836b6d2880acf131639362192fa3dc7507eb24f3b4516fd71

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "73da4731f600436b77beb8c2a76d2b054646720a2122a41371057d30d5876267",
    "cross_cats_sorted": [
      "cs.AI",
      "math.IT"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2024-01-30T17:17:43Z",
    "title_canon_sha256": "9d93adf9295204ff7a4136c5bfc1230a812457ca38a8c6f0ed54385c5e095b66"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2401.17188",
    "kind": "arxiv",
    "version": 1
  }
}