Pith Number

pith:JU3JZSU5

pith:2019:JU3JZSU5RO2XSYPLUFADPSA6TY

not attested not anchored not stored refs pending

Beamforming Design in Multiple-Input-Multiple-Output Symbiotic Radio Backscatter Systems

Jiayin Qin, Miao Jiang, Qi Zhang, Quanzhong Li, Tuo Wu

arxiv:1907.05585 v1 · 2019-07-12 · 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{JU3JZSU5RO2XSYPLUFADPSA6TY}

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	2026-05-17T23:40:47.790596Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4d369cca9d8bb57961eba14037c81e9e328ffec218e53fa32ccc8a19d9aac209

Aliases

arxiv: 1907.05585 · arxiv_version: 1907.05585v1 · doi: 10.48550/arxiv.1907.05585 · pith_short_12: JU3JZSU5RO2X · pith_short_16: JU3JZSU5RO2XSYPL · pith_short_8: JU3JZSU5

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/JU3JZSU5RO2XSYPLUFADPSA6TY \
  | 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: 4d369cca9d8bb57961eba14037c81e9e328ffec218e53fa32ccc8a19d9aac209

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6f314b224eb55e0e30d801e4e81a9db240e48f7dc1105da9de59654630c12ca7",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2019-07-12T06:05:07Z",
    "title_canon_sha256": "fc251dec24d87e8c06c7ee55d12f5c15cc8ffc913629646d224733c1c9f55285"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.05585",
    "kind": "arxiv",
    "version": 1
  }
}