Pith Number

pith:7NMORPT6

pith:2015:7NMORPT65GDTIA6SICX7EHOW7C

not attested not anchored not stored refs pending

Low-Complexity Downlink User Selection for Massive MIMO Systems

Haijing Liu, Hui Gao, Shaoshi Yang, Tiejun Lv

arxiv:1504.02990 v1 · 2015-04-12 · 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{7NMORPT65GDTIA6SICX7EHOW7C}

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	2026-05-18T01:59:57.495675Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fb58e8be7ee9873403d240aff21dd6f88e011b9997941d72bab3afd6c5b999de

Aliases

arxiv: 1504.02990 · arxiv_version: 1504.02990v1 · doi: 10.48550/arxiv.1504.02990 · pith_short_12: 7NMORPT65GDT · pith_short_16: 7NMORPT65GDTIA6S · pith_short_8: 7NMORPT6

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/7NMORPT65GDTIA6SICX7EHOW7C \
  | 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: fb58e8be7ee9873403d240aff21dd6f88e011b9997941d72bab3afd6c5b999de

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "69936e296ebdd90d64597c1b5de35fc0a225da2f728042db7e6ef5c9a93eac95",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2015-04-12T16:58:08Z",
    "title_canon_sha256": "946676d59b2b7fab8f624a060fb6e131847b97ba2d1ae4ed64126362219c812e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.02990",
    "kind": "arxiv",
    "version": 1
  }
}