Pith Number

pith:QQQODXWC

pith:2016:QQQODXWCPB7PYRBJK4BU7YO4U2

not attested not anchored not stored refs pending

SNOPS: Short Non-Orthogonal Pilot Sequences for Downlink Channel State Estimation in FDD Massive MIMO

Alexis Decurninge, Beatrice Tomasi, Maxime Guillaud

arxiv:1609.01917 v1 · 2016-09-07 · 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{QQQODXWCPB7PYRBJK4BU7YO4U2}

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	2026-05-18T01:04:53.156838Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8420e1dec2787efc442957034fe1dca6924a18abc2046dd95add95b9f2647cf5

Aliases

arxiv: 1609.01917 · arxiv_version: 1609.01917v1 · doi: 10.48550/arxiv.1609.01917 · pith_short_12: QQQODXWCPB7P · pith_short_16: QQQODXWCPB7PYRBJ · pith_short_8: QQQODXWC

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/QQQODXWCPB7PYRBJK4BU7YO4U2 \
  | 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: 8420e1dec2787efc442957034fe1dca6924a18abc2046dd95add95b9f2647cf5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aedad495646c95fe4c69b548e82f6b79ae431c82cd02d3b18aeb829ddcb9b734",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2016-09-07T10:16:09Z",
    "title_canon_sha256": "2bd91a6ea2d6cc0f62a5db7b9657dc7e84c6d4e735ad945ad4fc0d1380202777"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1609.01917",
    "kind": "arxiv",
    "version": 1
  }
}