Pith Number

pith:OYBFBGI6

pith:2018:OYBFBGI6U2U6UVMLTFGUPDAJTR

not attested not anchored not stored refs pending

Subcarrier-Interlaced FDD for Faster-than-TDD Channel Tracking in Massive MIMO Systems

Maximilian Arnold, Stephan ten Brink, Xiaojie Wang

arxiv:1804.05886 v1 · 2018-04-16 · 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{OYBFBGI6U2U6UVMLTFGUPDAJTR}

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	2026-05-18T00:18:22.505775Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

760250991ea6a9ea558b994d478c099c6cb5632bb8cef93a638be4eeacc6cc60

Aliases

arxiv: 1804.05886 · arxiv_version: 1804.05886v1 · doi: 10.48550/arxiv.1804.05886 · pith_short_12: OYBFBGI6U2U6 · pith_short_16: OYBFBGI6U2U6UVML · pith_short_8: OYBFBGI6

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/OYBFBGI6U2U6UVMLTFGUPDAJTR \
  | 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: 760250991ea6a9ea558b994d478c099c6cb5632bb8cef93a638be4eeacc6cc60

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "65abf9aaef58b33047f7c1602fa2f34e038985786548668a7c43e710be48db37",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2018-04-16T18:41:38Z",
    "title_canon_sha256": "369c4773212279dae7ae73199306e2504076862d0e5091f21e13dcb805bc686c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.05886",
    "kind": "arxiv",
    "version": 1
  }
}