Pith Number

pith:FDIISQNM

pith:2020:FDIISQNMCNRKMHR5UWCYY7QUZR

not attested not anchored not stored refs pending

Achieving Global Optimality for Joint Source and Relay Beamforming Design in Two-Hop Relay Channels

Haibin Wan, Hongying Tang, Jun Li, Wen Chen

arxiv:2003.02081 v1 · 2020-03-01 · eess.SP · 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{FDIISQNMCNRKMHR5UWCYY7QUZR}

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	2026-07-05T00:45:46.481232Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

28d08941ac1362a61e3da5858c7e14cc4a0e4e58c69f284aadbaae2d2bf9850e

Aliases

arxiv: 2003.02081 · arxiv_version: 2003.02081v1 · doi: 10.48550/arxiv.2003.02081 · pith_short_12: FDIISQNMCNRK · pith_short_16: FDIISQNMCNRKMHR5 · pith_short_8: FDIISQNM

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/FDIISQNMCNRKMHR5UWCYY7QUZR \
  | 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: 28d08941ac1362a61e3da5858c7e14cc4a0e4e58c69f284aadbaae2d2bf9850e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8a5aaafa4e8b82212fad3f6281e3cc4ddebe35191c08b02a7e8ff09daac88de3",
    "cross_cats_sorted": [
      "cs.IT",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2020-03-01T16:36:50Z",
    "title_canon_sha256": "50df09323703d4b0c06e55f20f1b3f188cdf539bf622a51682580f2fbd9cd116"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2003.02081",
    "kind": "arxiv",
    "version": 1
  }
}