Pith Number

pith:UAHSAFN6

pith:2015:UAHSAFN6AIHNAKVBA6AVMPQXQU

not attested not anchored not stored refs pending

Interference-Nulling Time-Reversal Beamforming for mm-Wave Massive MIMO in Multi-User Frequency-Selective Indoor Channels

Carlos A. Viteri-Mera, Fernando L. Teixeira

arxiv:1506.05143 v2 · 2015-06-16 · 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{UAHSAFN6AIHNAKVBA6AVMPQXQU}

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	2026-05-18T01:44:10.757041Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a00f2015be020ed02aa10781563e1785181f927b1d2e4e495b2e0b84893f9192

Aliases

arxiv: 1506.05143 · arxiv_version: 1506.05143v2 · doi: 10.48550/arxiv.1506.05143 · pith_short_12: UAHSAFN6AIHN · pith_short_16: UAHSAFN6AIHNAKVB · pith_short_8: UAHSAFN6

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/UAHSAFN6AIHNAKVBA6AVMPQXQU \
  | 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: a00f2015be020ed02aa10781563e1785181f927b1d2e4e495b2e0b84893f9192

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ffc8de5ff92a09a7abe2da412761f13ad2e1aa17432e9f2f61c5717d3b092d70",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2015-06-16T20:35:51Z",
    "title_canon_sha256": "f9b113fd140cf58753785b499671f642bbfb520bf6b0b869b8ea2708767a73fb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.05143",
    "kind": "arxiv",
    "version": 2
  }
}