Pith Number

pith:MP7Z32NH

pith:2019:MP7Z32NHMSG5F3JTGUBVUQJBLO

not attested not anchored not stored refs pending

Dynamic Metasurface Antennas for Uplink Massive MIMO Systems

David R. Smith, Insang Yoo, Mohammadreza F. Imani, Nir Shlezinger, Or Dicker, Yonina C. Eldar

arxiv:1901.01458 v2 · 2019-01-05 · 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{MP7Z32NHMSG5F3JTGUBVUQJBLO}

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	2026-05-17T23:41:53.578114Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

63ff9de9a7648dd2ed3335035a41215b93ff08f50cef8ef07fc868b7c1740d10

Aliases

arxiv: 1901.01458 · arxiv_version: 1901.01458v2 · doi: 10.48550/arxiv.1901.01458 · pith_short_12: MP7Z32NHMSG5 · pith_short_16: MP7Z32NHMSG5F3JT · pith_short_8: MP7Z32NH

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/MP7Z32NHMSG5F3JTGUBVUQJBLO \
  | 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: 63ff9de9a7648dd2ed3335035a41215b93ff08f50cef8ef07fc868b7c1740d10

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0726f93f5cbdefcbabc5315750fd57018437cf2e0311be22636d82a8c14872be",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2019-01-05T19:22:29Z",
    "title_canon_sha256": "279a5502b9bb64817a987a2fb937777ef12486d6aaf3da5316ea664e23214487"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.01458",
    "kind": "arxiv",
    "version": 2
  }
}