Pith Number

pith:HQX5VNWS

pith:2019:HQX5VNWSEIR7UUVJDRGMQRSP4L

not attested not anchored not stored refs pending

A Survey of NOMA: Current Status and Open Research Challenges

Ali Behravan, Behrooz Makki, Krishna Chitti, Mohamed-Slim Alouini

arxiv:1912.10561 v1 · 2019-12-22 · cs.IT · eess.SP · 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{HQX5VNWSEIR7UUVJDRGMQRSP4L}

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	2026-07-05T00:28:00.491634Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3c2fdab6d22223fa52a91c4cc8464fe2f82b82590cc16a437c1d990fa7648268

Aliases

arxiv: 1912.10561 · arxiv_version: 1912.10561v1 · doi: 10.48550/arxiv.1912.10561 · pith_short_12: HQX5VNWSEIR7 · pith_short_16: HQX5VNWSEIR7UUVJ · pith_short_8: HQX5VNWS

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/HQX5VNWSEIR7UUVJDRGMQRSP4L \
  | 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: 3c2fdab6d22223fa52a91c4cc8464fe2f82b82590cc16a437c1d990fa7648268

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "222d0e88e7c180431d93db87074e1d50eec56e8ad3266bd6382b8f9484c74d2f",
    "cross_cats_sorted": [
      "eess.SP",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2019-12-22T23:33:58Z",
    "title_canon_sha256": "4a6feace6c3f48caf6e5b6c645d2350c892a84980d541ddec7d93cea841edff7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1912.10561",
    "kind": "arxiv",
    "version": 1
  }
}