Pith Number

pith:EFP4XRBH

pith:2017:EFP4XRBHCWIME4C6OTATCPONCH

not attested not anchored not stored refs pending

On Multilevel Coding Schemes Based on Non-Binary LDPC Codes

Alexey Frolov, Valeriya Potapova

arxiv:1702.02372 v1 · 2017-02-08 · 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{EFP4XRBHCWIME4C6OTATCPONCH}

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	2026-05-18T00:51:06.100785Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

215fcbc4271590c2705e74c1313dcd11e363a9f3bda040e75b71e1c713e375b5

Aliases

arxiv: 1702.02372 · arxiv_version: 1702.02372v1 · doi: 10.48550/arxiv.1702.02372 · pith_short_12: EFP4XRBHCWIM · pith_short_16: EFP4XRBHCWIME4C6 · pith_short_8: EFP4XRBH

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/EFP4XRBHCWIME4C6OTATCPONCH \
  | 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: 215fcbc4271590c2705e74c1313dcd11e363a9f3bda040e75b71e1c713e375b5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2a7aee61172e1612c16162e8e06cc33bc93b4edb53e2d6d0217e387fd16b66b8",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2017-02-08T11:05:42Z",
    "title_canon_sha256": "18bf29e68dd457110f49f1db3fcda4bf1d439aa998beb419276d1a9c9bcb6763"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.02372",
    "kind": "arxiv",
    "version": 1
  }
}