Pith Number

pith:XR3DOM7S

pith:2019:XR3DOM7SXYWKRW37G2PX3YMPCV

not attested not anchored not stored refs pending

Periodic Analog Channel Estimation Aided Beamforming for Massive MIMO Systems

Andreas F. Molisch, Vishnu V. Ratnam

arxiv:1901.04078 v1 · 2019-01-13 · 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{XR3DOM7SXYWKRW37G2PX3YMPCV}

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	2026-05-17T23:56:26.324867Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bc763733f2be2ca8db7f369f7de18f157a92952a98a75b69df6b367f8f832eb6

Aliases

arxiv: 1901.04078 · arxiv_version: 1901.04078v1 · doi: 10.48550/arxiv.1901.04078 · pith_short_12: XR3DOM7SXYWK · pith_short_16: XR3DOM7SXYWKRW37 · pith_short_8: XR3DOM7S

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/XR3DOM7SXYWKRW37G2PX3YMPCV \
  | 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: bc763733f2be2ca8db7f369f7de18f157a92952a98a75b69df6b367f8f832eb6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2af95b216f6807c5d96e0a36952877644b8f9e1da12de4d02cdc3c504fae6ede",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2019-01-13T22:47:22Z",
    "title_canon_sha256": "5f107d94e764df7f154e8f1544d18a5a587b03b204e6983e114fdf3e33a76670"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.04078",
    "kind": "arxiv",
    "version": 1
  }
}