Pith Number

pith:DCBUMFSU

pith:2018:DCBUMFSUTOR7SDJ34TMD4VHFLA

not attested not anchored not stored refs pending

Subspace Tracking and Least Squares Approaches to Channel Estimation in Millimeter Wave Multiuser MIMO

Carmen D'Andrea, Stefano Buzzi

arxiv:1803.02225 v2 · 2018-03-06 · cs.IT · math.IT

Open paper page JSON Open Graph Bundle Merged state What is a Pith Number?

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	2026-05-17T23:42:49.027181Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

18834616549ba3f90d3be4d83e54e5581fb12d22f0e56ef9b381e1259215bdc5

Aliases

arxiv: 1803.02225 · arxiv_version: 1803.02225v2 · doi: 10.48550/arxiv.1803.02225 · pith_short_12: DCBUMFSUTOR7 · pith_short_16: DCBUMFSUTOR7SDJ3 · pith_short_8: DCBUMFSU

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/DCBUMFSUTOR7SDJ34TMD4VHFLA \
  | 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: 18834616549ba3f90d3be4d83e54e5581fb12d22f0e56ef9b381e1259215bdc5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ba5c8ad4ad27006dc1bb202343dd7d9a65dbf80d162949cb060ba2b1b930dd13",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2018-03-06T14:35:39Z",
    "title_canon_sha256": "fb0b4b7cffb7c70d7167af04b690a524b169b29bce2df4ef6b855d478142fe13"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.02225",
    "kind": "arxiv",
    "version": 2
  }
}