Pith Number

pith:UJRCRSRO

pith:2019:UJRCRSROA56APYF64ZSZBDCW3Z

not attested not anchored not stored refs pending

Grant-Free Massive Random Access With a Massive MIMO Receiver

Alexander Fengler, Giuseppe Caire, Peter Jung, Saeid Haghighatshoar

arxiv:1912.01459 v1 · 2019-11-30 · 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{UJRCRSROA56APYF64ZSZBDCW3Z}

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	2026-07-05T01:04:42.588479Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a26228ca2e077c07e0bee665908c56de5818520e4800df807abb2e05e5cb007e

Aliases

arxiv: 1912.01459 · arxiv_version: 1912.01459v1 · doi: 10.48550/arxiv.1912.01459 · pith_short_12: UJRCRSROA56A · pith_short_16: UJRCRSROA56APYF6 · pith_short_8: UJRCRSRO

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/UJRCRSROA56APYF64ZSZBDCW3Z \
  | 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: a26228ca2e077c07e0bee665908c56de5818520e4800df807abb2e05e5cb007e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f7bca760eb908f8ac2c291e1c48147964ae7429a019c08d0acbc12ab77cace8f",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2019-11-30T16:56:19Z",
    "title_canon_sha256": "de8e021861f3e506a2e78157990612b391a78e9fffd2d645871d19374e0b6208"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1912.01459",
    "kind": "arxiv",
    "version": 1
  }
}