Pith Number

pith:FVCXYDMC

pith:2018:FVCXYDMCF54KY53FJRYVFUOG2A

not attested not anchored not stored refs pending

Optimal Pilot Symbols Ratio in terms of Spectrum and Energy Efficiency in Uplink CoMP Networks

Ning Wang, Qimei Cui, Yuhao Zhang

arxiv:1801.01625 v1 · 2018-01-05 · cs.IT · eess.SP · 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{FVCXYDMCF54KY53FJRYVFUOG2A}

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	2026-05-18T00:26:41.584804Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2d457c0d822f78ac77654c7152d1c6d00ad835ed780724c24ebb06ab4d90d276

Aliases

arxiv: 1801.01625 · arxiv_version: 1801.01625v1 · doi: 10.48550/arxiv.1801.01625 · pith_short_12: FVCXYDMCF54K · pith_short_16: FVCXYDMCF54KY53F · pith_short_8: FVCXYDMC

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/FVCXYDMCF54KY53FJRYVFUOG2A \
  | 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: 2d457c0d822f78ac77654c7152d1c6d00ad835ed780724c24ebb06ab4d90d276

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "db22116f35bc9ce6714d573390eb06b080ad268349670b5936948c20ddfeda10",
    "cross_cats_sorted": [
      "eess.SP",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2018-01-05T04:24:12Z",
    "title_canon_sha256": "6c60f029ea9a02590caa07c7d43ee37800db714f26f9f7f9dc4a09b72015f1d9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.01625",
    "kind": "arxiv",
    "version": 1
  }
}