Pith Number

pith:IRL5PQZB

pith:2013:IRL5PQZB7YMUMJ2DZLLDIXIQI6

not attested not anchored not stored refs pending

Physical-Layer Cryptography Through Massive MIMO

Andrea Goldsmith, Thomas Dean

arxiv:1310.1861 v3 · 2013-10-07 · cs.IT · cs.CR · 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{IRL5PQZB7YMUMJ2DZLLDIXIQI6}

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	2026-05-18T00:24:32.197189Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4457d7c321fe19462743cad6345d104780bf369b23d94425247edecfe5a16ba8

Aliases

arxiv: 1310.1861 · arxiv_version: 1310.1861v3 · doi: 10.48550/arxiv.1310.1861 · pith_short_12: IRL5PQZB7YMU · pith_short_16: IRL5PQZB7YMUMJ2D · pith_short_8: IRL5PQZB

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/IRL5PQZB7YMUMJ2DZLLDIXIQI6 \
  | 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: 4457d7c321fe19462743cad6345d104780bf369b23d94425247edecfe5a16ba8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fc7c0b6b019f753c21e3052ce4f7683af95e5f75971396100735f87e75f71dfa",
    "cross_cats_sorted": [
      "cs.CR",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2013-10-07T17:02:14Z",
    "title_canon_sha256": "1093f0a10e57299a4b1c1ca36de519ffeda5c2b66efcf7b44a9463f2ae3fb946"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1310.1861",
    "kind": "arxiv",
    "version": 3
  }
}