Pith Number

pith:QTSWTEX6

pith:2019:QTSWTEX6UX2POVJQACQA7I4IWS

not attested not anchored not stored refs pending

A Multistage Method for SCMA Codebook Design Based on MDS Codes

Bartolomeu F. Uch\^oa-Filho, Bruno Fontana da Silva, Danilo Silva, Didier Le Ruyet

arxiv:1905.02533 v1 · 2019-05-07 · eess.SP · 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{QTSWTEX6UX2POVJQACQA7I4IWS}

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	2026-05-17T23:41:42.191945Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

84e56992fea5f4f7553000a00fa388b4a2e1f69610c862bbd5c973a6803c280e

Aliases

arxiv: 1905.02533 · arxiv_version: 1905.02533v1 · doi: 10.48550/arxiv.1905.02533 · pith_short_12: QTSWTEX6UX2P · pith_short_16: QTSWTEX6UX2POVJQ · pith_short_8: QTSWTEX6

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/QTSWTEX6UX2POVJQACQA7I4IWS \
  | 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: 84e56992fea5f4f7553000a00fa388b4a2e1f69610c862bbd5c973a6803c280e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "323bef868d3a754d9c1aee50f16c680ebf2b7b7758c59c11fe4fb86d7b6eec6c",
    "cross_cats_sorted": [
      "cs.IT",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2019-05-07T13:17:55Z",
    "title_canon_sha256": "eadde63db6ff401a2a7cb9132d213a19effafddb942c75fd51f845c6c5270564"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.02533",
    "kind": "arxiv",
    "version": 1
  }
}