Pith Number

pith:KK5C4QN4

pith:2018:KK5C4QN4I7WVU72CUHI77DVHTD

not attested not anchored not stored refs pending

Hybrid Codeword Position Index Modulation for Sparse Code Multiple Access System

Amine Maaref, Gaojie Chen, Jing Lei, Ke Lai, Lei Wen, Pei Xiao

arxiv:1812.10316 v2 · 2018-12-26 · eess.SP

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KK5C4QN4I7WVU72CUHI77DVHTD}

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	2026-05-17T23:47:35.857096Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

52ba2e41bc47ed5a7f42a1d1ff8ea798e7a442803cab9dca50877f469c6753da

Aliases

arxiv: 1812.10316 · arxiv_version: 1812.10316v2 · doi: 10.48550/arxiv.1812.10316 · pith_short_12: KK5C4QN4I7WV · pith_short_16: KK5C4QN4I7WVU72C · pith_short_8: KK5C4QN4

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/KK5C4QN4I7WVU72CUHI77DVHTD \
  | 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: 52ba2e41bc47ed5a7f42a1d1ff8ea798e7a442803cab9dca50877f469c6753da

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "812720bf7c1f4e1056b03522d4c1cb46aa5c258d3bb3cd5f313683d3285557bf",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2018-12-26T13:54:05Z",
    "title_canon_sha256": "ff181f7f80c688e8d5a2295260ba11e1215b8e3f63d653c204f47672652ca736"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.10316",
    "kind": "arxiv",
    "version": 2
  }
}