Pith Number

pith:HMWK3QXA

pith:2021:HMWK3QXARAQGS2Z5KYEANTTS2B

not attested not anchored not stored refs pending

On Channel Reciprocity in Reconfigurable Intelligent Surface Assisted Wireless Network

Geoffrey Ye Li, Jun Yan Dai, Ming Zheng Chen, Qiang Cheng, Shi Jin, Tie Jun Cui, Wankai Tang, Xiangyu Chen, Yu Han

arxiv:2103.03753 v2 · 2021-03-05 · 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{HMWK3QXARAQGS2Z5KYEANTTS2B}

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	2026-07-05T04:20:14.363396Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3b2cadc2e08820696b3d560806ce72d06583fb74f7a530e98a080765feb1039f

Aliases

arxiv: 2103.03753 · arxiv_version: 2103.03753v2 · doi: 10.48550/arxiv.2103.03753 · pith_short_12: HMWK3QXARAQG · pith_short_16: HMWK3QXARAQGS2Z5 · pith_short_8: HMWK3QXA

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/HMWK3QXARAQGS2Z5KYEANTTS2B \
  | 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: 3b2cadc2e08820696b3d560806ce72d06583fb74f7a530e98a080765feb1039f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "673b7d18fbbae6d05346eea624e9b2055a8dacbf66cfd40a39e6dcb39e6cf7b6",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2021-03-05T15:29:50Z",
    "title_canon_sha256": "f9f72c585eab32538c9b543f369c35af79d3fd12b74b850c05b269eb773c802a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2103.03753",
    "kind": "arxiv",
    "version": 2
  }
}