Pith Number

pith:GPGFYZW5

pith:2020:GPGFYZW5LNPCFVSAVLT4KOLVQ7

not attested not anchored not stored refs pending

Secure Two-Way Communications via Intelligent Reflecting Surfaces

Jian Chen, Lu Lv, Naofal Al-Dhahir, Qingqing Wu, Zan Li

arxiv:2008.11352 v2 · 2020-08-26 · 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{GPGFYZW5LNPCFVSAVLT4KOLVQ7}

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	2026-07-05T01:48:12.140839Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

33cc5c66dd5b5e22d640aae7c5397587d363bf4c6a1629d117e16bda75d20884

Aliases

arxiv: 2008.11352 · arxiv_version: 2008.11352v2 · doi: 10.48550/arxiv.2008.11352 · pith_short_12: GPGFYZW5LNPC · pith_short_16: GPGFYZW5LNPCFVSA · pith_short_8: GPGFYZW5

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/GPGFYZW5LNPCFVSAVLT4KOLVQ7 \
  | 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: 33cc5c66dd5b5e22d640aae7c5397587d363bf4c6a1629d117e16bda75d20884

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d4912903852e573ed842e7dd9fc1c8a9aa295ffac83811a59c7c4c888bd467f9",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2020-08-26T02:44:40Z",
    "title_canon_sha256": "927b9f12e358b7b30501e7975745a4c4aab949f09783010b63107d8b12e87e28"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2008.11352",
    "kind": "arxiv",
    "version": 2
  }
}