Pith Number

pith:Z2N7AK3M

pith:2017:Z2N7AK3MNNR2OGQWZTRQN3IEAD

not attested not anchored not stored refs pending

Millimeter Wave MIMO Channel Estimation Based on Adaptive Compressed Sensing

Shu Sun, Theodore S. Rappaport

arxiv:1703.08227 v2 · 2017-03-23 · 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{Z2N7AK3MNNR2OGQWZTRQN3IEAD}

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	2026-05-18T00:47:33.217665Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ce9bf02b6c6b63a71a16cce306ed0400fc8e9a9996671bab8fb2753d2efb0e4b

Aliases

arxiv: 1703.08227 · arxiv_version: 1703.08227v2 · doi: 10.48550/arxiv.1703.08227 · pith_short_12: Z2N7AK3MNNR2 · pith_short_16: Z2N7AK3MNNR2OGQW · pith_short_8: Z2N7AK3M

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/Z2N7AK3MNNR2OGQWZTRQN3IEAD \
  | 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: ce9bf02b6c6b63a71a16cce306ed0400fc8e9a9996671bab8fb2753d2efb0e4b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a12ab0f40c1118e5aa4e7c4e64e90535dafce8b2540d9b5d98f785efcd181e9d",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2017-03-23T20:36:27Z",
    "title_canon_sha256": "a19b3d4e4a8397efcf3dae1fa36c9624f184cfc5ea1d083fcd73dd62ceff78f7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.08227",
    "kind": "arxiv",
    "version": 2
  }
}