Pith Number

pith:DIJ2SQL4

pith:2021:DIJ2SQL4NA5OTQKVBRVG2ERWOU

not attested not anchored not stored refs pending

Compact User-Specific Reconfigurable Intelligent Surfaces for Uplink Transmission

Kunzan Liu, Lajos Hanzo, Linglong Dai, Zijian Zhang

arxiv:2107.08698 v3 · 2021-07-19 · 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{DIJ2SQL4NA5OTQKVBRVG2ERWOU}

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	2026-07-05T03:26:19.360157Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1a13a9417c683ae9c1550c6a6d1236753f26e71b962788f3ad710a562cd55c02

Aliases

arxiv: 2107.08698 · arxiv_version: 2107.08698v3 · doi: 10.48550/arxiv.2107.08698 · pith_short_12: DIJ2SQL4NA5O · pith_short_16: DIJ2SQL4NA5OTQKV · pith_short_8: DIJ2SQL4

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/DIJ2SQL4NA5OTQKVBRVG2ERWOU \
  | 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: 1a13a9417c683ae9c1550c6a6d1236753f26e71b962788f3ad710a562cd55c02

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8995084004eb00aee7e2fd5639a7a1e94c447172d23bbc13c58ce442b2b061b0",
    "cross_cats_sorted": [
      "eess.SP",
      "math.IT"
    ],
    "license": "http://creativecommons.org/publicdomain/zero/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2021-07-19T09:15:59Z",
    "title_canon_sha256": "434bca7676440e5457e3297cfda86955fd18e078a4e01f3888c3cde66f62674b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2107.08698",
    "kind": "arxiv",
    "version": 3
  }
}