Pith Number

pith:B463ZFLS

pith:2018:B463ZFLSJVUJGAFLQ2X2Z3AFTX

not attested not anchored not stored refs pending

Active User Detection of Uplink Grant-Free SCMA in Frequency Selective Channel

Feilong Wang, Hanyuan Huang, Hui Zhao, Jing Li, Yuyan Zhang

arxiv:1805.03973 v1 · 2018-05-10 · eess.SP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{B463ZFLSJVUJGAFLQ2X2Z3AFTX}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T00:16:15.638759Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0f3dbc95724d689300ab86afacec059dc95c41bdd6e6e075e43b1842a061c1a6

Aliases

arxiv: 1805.03973 · arxiv_version: 1805.03973v1 · doi: 10.48550/arxiv.1805.03973 · pith_short_12: B463ZFLSJVUJ · pith_short_16: B463ZFLSJVUJGAFL · pith_short_8: B463ZFLS

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/B463ZFLSJVUJGAFLQ2X2Z3AFTX \
  | 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: 0f3dbc95724d689300ab86afacec059dc95c41bdd6e6e075e43b1842a061c1a6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bef248846d7d64127d0e4c0667b084d46f7828f3da5a26a03792107742468565",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2018-05-10T13:38:48Z",
    "title_canon_sha256": "30f87018a6a93d8217f0318d5948ee83508abe7e5bee01969c2f9b4959130477"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.03973",
    "kind": "arxiv",
    "version": 1
  }
}