Pith Number

pith:IM3EH2OV

pith:2016:IM3EH2OV4GNZ5744VGFQWYVNCU

not attested not anchored not stored refs pending

Pilot Length Optimization for Spatially Correlated Multi-User MIMO Channel Estimation

Beatrice Tomasi, Maxime Guillaud

arxiv:1602.05480 v1 · 2016-02-17 · 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{IM3EH2OV4GNZ5744VGFQWYVNCU}

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	2026-05-18T01:20:28.057471Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

433643e9d5e19b9eff9ca98b0b62ad1500d1e76786b7e7695056b55d9c9e29b6

Aliases

arxiv: 1602.05480 · arxiv_version: 1602.05480v1 · doi: 10.48550/arxiv.1602.05480 · pith_short_12: IM3EH2OV4GNZ · pith_short_16: IM3EH2OV4GNZ5744 · pith_short_8: IM3EH2OV

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/IM3EH2OV4GNZ5744VGFQWYVNCU \
  | 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: 433643e9d5e19b9eff9ca98b0b62ad1500d1e76786b7e7695056b55d9c9e29b6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "148471a982dd8381a4856b719a8454e60f52c9e24ecfe136def6aeacbb9ef1b5",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2016-02-17T16:44:57Z",
    "title_canon_sha256": "2b9cfe4e0a69667d33037b71e868d3e1dfa097f113b84523e9b790e5431f2582"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1602.05480",
    "kind": "arxiv",
    "version": 1
  }
}